최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0452420 (2012-04-20) |
등록번호 | US-8708152 (2014-04-29) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 123 |
Slurries of magnetic and nonmagnetic particles in water are treated in a high intensity magnetic separator including at least one turntable that defines at least one circular channel therethrough in which a matrix material is positioned. Rotation of the turntable in a generally horizontal plane abou
Slurries of magnetic and nonmagnetic particles in water are treated in a high intensity magnetic separator including at least one turntable that defines at least one circular channel therethrough in which a matrix material is positioned. Rotation of the turntable in a generally horizontal plane about a generally vertical virtual axis causes the circular channel(s) to rotate through a plurality of magnetic and nonmagnetic zones generated by magnet members. Treatment slurry is directed into the channel(s) in one or more of the magnetic zones as the turntable rotates. A tailings fraction passing through the channel(s) in a generally downward direction in the magnetic zones is collected in tailings launders. Magnetic particles attracted to the matrix material in the magnetic zones remain in the channel(s) until they pass into an adjacent nonmagnetic zone, where the magnetic particles are washed from the channel(s) into concentrate launders.
1. A high intensity magnetic separation device for separating treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising: a first generally horizontal rotor rotatable about a first generally v
1. A high intensity magnetic separation device for separating treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising: a first generally horizontal rotor rotatable about a first generally vertical axis, said first rotor defining a first circular channel rotatable about the first axis, said first channel defining a flow path through said first rotor and containing a matrix material therein, wherein the first channel is configured to allow passage of a downwardly moving fluid stream therethrough in contact with the matrix material;a first rigid support frame operable to support said first rotor;a first driver mounted to said first support frame, said first driver operable to rotate said first rotor at a generally constant rate;a first plurality of permanent magnet members fixedly attached to said first support frame, the first permanent magnet members positioned to straddle said first channel at a plurality of locations spaced apart along the circular path of said first channel, the first magnet members effective to apply magnetic fields across a plurality of portions of said path where said first channel is straddled by the first permanent magnet members, said portions defining a plurality of magnetic zones, said magnetic zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones along said circular path;a first plurality of feed conduits for delivering a treatment slurry into the first channel at a plurality of input locations, each input location being positioned within one of the plurality of magnetic zones defined by said first plurality of permanent magnet members;a first plurality of water delivery conduits for delivering water into the first channel at a plurality of locations within, the magnetic zones and within the nonmagnetic zones defined by said first plurality of permanent magnet members; anda first plurality of tailings launders and a first plurality of concentrate launders positioned beneath said first channel; said first tailings launders positioned beneath said magnetic zones for receiving a first tailings fraction of the treatment slurry that passes through the first channel in said magnetic zones; and said first concentrate launders positioned beneath said nonmagnetic zones for receiving a first concentrate fraction of the treatment slurry that passes through the first channel in said nonmagnetic zones;wherein said first rotor further comprises a foraminous channel floor operable to allow passage of the first tailings fraction therethrough as the first tailings fraction exits said first channel, and wherein said matrix material comprises a plurality of discrete magnetically susceptible objects sized to be retained in said first channel by said channel floor;wherein said first rotor further comprises a plurality of vertical radial separating walls in said first channel, said separating walls dividing said first channel into a plurality of arc-shaped channel segments;wherein said floor of at least one of said channel segments comprises a drop-in screen sized and shaped to fit within one of said channel segments; andwherein said first rotor defines a first plurality of connected and spaced apart circular channels rotatable about the axis, each of said first plurality of channels defining a flow path through the first rotor and containing a matrix material therein, wherein each of said first plurality of channels is configured to allow passage of a downwardly moving fluid stream in contact with the matrix material contained therein. 2. The device in accordance with claim 1 wherein the drop-in screen comprises a substantially rigid non-magnetic material. 3. The device in accordance with claim 2 wherein the drop-in screen comprises a material selected from the group consisting of stainless steel, aluminum and polyurethane. 4. The device in accordance with claim 1 wherein the drop-in screen comprises at least three support bars and a plurality of generally wedge-shaped screen bars oriented generally perpendicular to the support bars and affixed to the support bars. 5. The device in accordance with claim 4 wherein the at least two adjacent ones of the plurality of screen bars each comprises a first surface having a first draft angle relative to the general direction of slurry flow therethrough and a second surface having a second draft angle relative to the general direction of slurry flow therethrough, wherein a first surface of a first screen bar and a second surface of a second screen bar defines a space between the first and second screen bars having dimensions that are greater at a bottom side of said screen than at a top side of said screen When said screen is oriented for operation. 6. The device in accordance with claim 4 wherein the drop-in screen comprises six support bars. 7. The device in accordance with claim 4 wherein the screen bars are affixed to an underside of the support bars when said screen is oriented for operation. 8. The device in accordance with claim 4 wherein the screen bars are affixed to an upper side of the support bars when said screen is oriented for operation. 9. The device in accordance with claim 1 wherein the drop-in screen comprises an integral body defining a plurality of slots, at least one said slot having a first angled side surface and a second angled side surface, the first and second side surfaces defining downward-opening draft angles when said screen is oriented for operation. 10. The device in accordance with claim 1 wherein said first channel is defined by a first trough having first and second vertical side walls, and wherein the radial separating walls are sized such that a top of at least one of said radial separating walls is from about two to about six inches below the tops of said first and second vertical side walls. 11. The device in accordance with claim 1 wherein said magnetically susceptible objects comprise a material selected from the group consisting of steel, iron and an iron alloy. 12. The device in accordance with claim 1 wherein said magnetically susceptible objects comprise one or more members selected from the group consisting of shot, hex nuts, bolts, nails, washers, rod segments, cubes, blocks, cylinders, wire pieces, wire stars and pieces of wire mesh. 13. The device in accordance with claim 1 wherein said first channel is defined by a first trough, and wherein said first channel has a sufficient height to provide a distance of at least six inches between the top of the magnetic objects positioned in said channels and the top of said trough. 14. The device in accordance with claim 1, further comprising a plurality of jump magnets positioned adjacent said first channel at a trailing edge of a plurality of said magnetic zones relative to the rotation of said first rotor. 15. The device in accordance with claim 14 wherein said jump magnets are adjustably mounted to said rigid frame or to said magnet members. 16. The device in accordance with claim 15 wherein said jump magnets are affixed to said permanent magnet members in a manner whereby said jump magnets are vertically and horizontally adjustable. 17. The device in accordance with claim 1 wherein said first plurality of water delivery conduits comprises at least one underspray nozzle for delivering water into the first channel from a locations beneath the first channel. 18. The device in accordance with claim 1 wherein at least one of said first plurality of tailings launders and said first plurality of concentrate launders includes a launder outlet that is connected to a hose. 19. The device in accordance with claim 18 wherein a reducer is connected to at least one of said launder outlets and to said corresponding hose. 20. A high intensitv magnetic separation device for separating a treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising: a first generally horizontal rotor rotatable about a first generally vertical axis, said first rotor defining a first circular channel rotatable about the first axis, said first channel defining a flow path through said first rotor and containing a matrix material therein, wherein the first channel is configured to allow passage of a downwardly moving fluid stream therethrough in contact with the matrix material;a first rigid support frame operable to support said first rotor;a first driver mounted to said first support frame said first driver operable to rotate said first rotor at a generally constant rate;a first plurality of permanent magnet members fixedly attached to said first support frame, the first permanent magnet members positioned to straddle said first channel at a plurality of locations spaced apart along the circular path of said first channel, the first magnet members effective to apply magnetic fields across a plurality of portions of said path where said first channel is straddled by the first permanent magnet members, said portions defining a plurality of magnetic zones, said magnetic zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones along said circular path;a first plurality of feed conduits for delivering a treatment slurry into the first channel at a plurality of input locations, each input location being positioned within one of the plurality of magnetic zones defined by said first plurality of permanent magnet members;a first plurality of water delivery conduits for delivering water into the first channel at a plurality of locations within the magnetic zones and within the nonmagnetic zones defined by said first plurality of permanent magnet members; anda first plurality of tailings launders and a first plurality of concentrate launders positioned beneath said first channel; said first tailings launders positioned beneath said magnetic zones for receiving a first tailings fraction of the treatment slurry that passes through the first channel in said magnetic zones; and said first concentrate launders positioned beneath said nonmagnetic zones for receiving a first concentrate fraction of the treatment slurry that passes through the first channel in said nonmagnetic zones;wherein said first rotor further comprises a foraminous channel floor operable to allow passage of the first tailings fraction therethrough as the first tailings fraction exits said first channel, and wherein said matrix material comprises a plurality of discrete magnetically susceptible objects sized to be retained in said first channel by said channel floor;wherein said first rotor further comprises a plurality of vertical radial separating walls in said first channel, said separating walls dividing said first channel into a plurality of arc-shaped channel segments; andwherein said water delivery system further comprises:at least one water delivery nozzle mounted to a vertically reciprocating carriage; anda control system operable to intermittently lower the water delivery nozzle to an elevational position below the tops of the respective side walls of said first channel and below the tops of two adjacent radially-oriented separating walls and intermittently raise the water delivery nozzle to an elevational position above the top of a separating wall passing thereunder. 21. A high intensity magnetic separation device for separating a treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising: a first generally horizontal rotor rotatable about a first generally vertical axis, said first rotor defining a first circular channel rotatable about the first axis, said first channel defining a flow path through said first rotor and containing a matrix material therein, wherein the first channel is configured to allow passage of a downwardly moving fluid stream therethrough in contact with the matrix material;a first rigid support frame operable to support said first rotor;a first driver mounted to said first support frame said first driver operable to rotate said first rotor at a generally constant rate;first plurality of permanent magnet members fixedly attached to said first support frame, the first permanent magnet members positioned to straddle said first channel at a plurality of locations spaced apart along the circular path of said first channel, the first magnet members effective to apply magnetic fields across a plurality of portions of said path where said first channel is straddled by the first permanent magnet members, said portions defining a plurality of magnetic zones, said magnetic zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones along said circular path;a first plurality of feed conduits for delivering a treatment slurry into the first channel at a plurality of input locations, each input location being positioned within one of the plurality of magnetic zones defined by said first plurality of permanent magnet members;a first plurality of water delivery conduits for delivering water into the first channel at a plurality of locations within the magnetic zones and within the nonmagnetic zones defined by said first plurality of permanent magnet members; anda first plurality of tailings launders and a first plurality of concentrate launders positioned beneath said first channel; said first tailings launders positioned beneath said magnetic zones for receiving a first tailings fraction of the treatment slurry that passes through the first channel in said magnetic zones; and said first concentrate launders positioned beneath said nonmagnetic zones for receiving a first concentrate fraction of the treatment slurry that passes through the first channel in said nonmagnetic zones;wherein said first rotor further comprises a foraminous channel floor operable to allow passage of the first tailings fraction therethrough as the first tailings fraction exits said first channel, and wherein said matrix material comprises a plurality of discrete magnetically susceptible objects sized to be retained in said first channel by said channel floor;wherein said first rotor further comprises a plurality of vertical radial separating walls in said first channel, said separating walls dividing said first channel into a plurality of arc-shaped channel segments; andwherein said first rotor comprises a support frame including an inner support frame component, and outer support frame component and a plurality of radial support frame components rigidly connected to said inner support frame component and said outer support frame component; and wherein said first driver comprises at least three thrust wheels positioned to engage said outer support frame component. 22. A high intensity magnetic separation device for separating a treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising; a first generally horizontal rotor rotatable about a first generally vertical axis, said first rotor defining a first circular channel rotatable about the first axis, said first channel defining a flow path through said first rotor and containing a matrix material therein, wherein the first channel is configured to allow passage of a downwardly moving fluid stream therethrough in contact with the matrix material;a first rigid support frame operable to support said first rotor;a first driver mounted to said first support frame, said first driver operable to rotate said first rotor at a generally constant rate;a first plurality of permanent magnet members fixedly attached to said first support frame, the first permanent magnet members positioned to straddle said first channel at a plurality of locations spaced apart along the circular path of said first channel, the first magnet members effective to apply magnetic fields across a plurality of portions of said path where said first channel is straddled by the first permanent magnet members, said portions defining plurality of magnetic zones, said magnetic zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones along said circular path;a first plurality of feed conduits for delivering a treatment slurry into the first channel at a plurality of input locations, each input location being positioned within one of the plurality of magnetic zones defined by said first plurality of permanent magnet members;a first plurality of water delivery conduits for delivering water into the first channel at a plurality of locations within the magnetic zones and within the nonmagnetic zones defined by said first plurality of permanent magnet members; anda first plurality of tailings launders and a first plurality of concentrate launders positioned beneath said first channel; said first tailings launders positioned beneath said magnetic zones for receiving a first tailings fraction of the treatment slurry that passes through the first channel in said magnetic zones; and said first concentrate launders positioned beneath said nonmagnetic zones for receiving a first concentrate fraction of the treatment slurry that passes through the first channel in said nonmagnetic zones;wherein said first rotor further comprises a foraminous channel floor operable to allow passage of the first tailings fraction therethrough as the first tailings fraction exits said first channel, and wherein said matrix material comprises a plurality of discrete magnetically susceptible objects sized to be retained in said first channel by said channel floor;wherein said first rotor further comprises a plurality of vertical radial separating walls in said first channel, said separating walls dividing said first channel into a plurality of arc-shaped channel segments; andwherein each of said first plurality of tailings launders is separated from a corresponding one of said first plurality of concentrate launders by a dividing wall; and wherein said dividing wall is configured to be horizontally adjustable. 23. A high intensity magnetic separation device for separating a treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising: a first generally horizontal rotor rotatable about a first generally vertical axis, said first rotor defining a first circular channel rotatable about the first axis, said first channel defining a flow path through said first rotor and containing a matrix material therein, wherein the first channel is configured to allow passage of a downwardly moving fluid stream therethrough in contact with the matrix material;a first rigid support frame operable to support said first rotor;a first driver mounted to said first support frame, said first driver operable to rotate said first rotor at a generally constant rate;a first plurality of permanent magnet members fixedly attached to said first support frame, the first permanent magnet members positioned to straddle said first channel at a plurality of locations spaced apart along the circular path of said first channel, the first magnet members effective to apply magnetic fields across a plurality of portions of said path where said first channel is straddled by the first permanent magnet members, said portions defining a plurality of magnetic zones, said magnetic zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones along said circular path;a first plurality of feed conduits for delivering a treatment slurry into the first channel at a plurality of input locations, each input location being positioned within one of the plurality of magnetic zones defined by said first plurality of permanent magnet members;a first plurality of water delivery conduits for delivering water into the first channel at a plurality of locations within the magnetic zones and within the nonmagnetic zones defined by said first plurality of permanent magnet members;a first plurality of tailings launders and a first plurality of concentrate launders positioned beneath said first channel; said first tailings launders positioned beneath said magnetic zones for receiving a first tailings fraction of the treatment slurry that passes through the first channel in said magnetic zones; and said first concentrate launders positioned beneath said nonmagnetic zone for receiving a first concentrate fraction of the treatment slurry that passes through the first channel in said nonmagnetic zones; anda control system operable to periodically activate pulses of higher pressure, higher flow rate or a combination thereof, through one or more of said water delivery conduits;wherein said first rotor further comprises a foraminous channel floor operable to allow passage of the first tailings fraction therethrough as the first tailings fraction exits said first channel, and wherein said matrix material comprises a plurality of discrete magnetically susceptible objects sized to be retained in said first channel by said channel floor; andwherein said first rotor further comprises a plurality of vertical radial separating walls in said first channel, said separating walls dividing said first channel into a plurality of arc-shaped channel segments. 24. A high intensity magnetic separation device for separating a treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising: a first generally horizontal rotor rotatable about a first generally vertical axis, said first rotor defining a first circular channel rotatable about the first axis, said first channel defining a flow path through said first rotor and containing a matrix material therein, wherein the first channel is configured to allow passage of a downwardly moving fluid stream therethrough in contact with the matrix material;a first rigid support frame operable to support said first rotor;a first driver mounted to said first support frame, said first driver operable to rotate said first rotor at a generally constant rate;a first plurality of permanent magnet members fixedly attached to said first support frame, the first permanent magnet members positioned to straddle said first channel at a plurality of locations spaced apart along the circular path of said first channel, the first magnet members effective to apply magnetic fields across a plurality of portions of said path where said first channel is straddled by the first permanent magnet members, said portions defining a plurality of magnetic zones, said magnetic zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones along said circular path;a first plurality of feed conduits for delivering a treatment slurry into the first channel at a plurality of input locations, each input location being positioned within one of the plurality of magnetic zones defined by said first plurality of permanent magnet members;a first plurality of water delivery conduits for delivering water into the first channel at a plurality of locations within the magnetic zones and within the nonmagnetic zones defined by said first plurality of permanent magnet members;a first plurality of tailings launders and a first plurality of concentrate launders positioned beneath said first channel; said first tailings launders positioned beneath said magnetic zones for receiving a first tailings fraction of the treatment slurry that passes through the first channel in said magnetic zones; and said first concentrate launders positioned beneath said nonmagnetic zones for receiving a first concentrate fraction of the treatment slurry that passes through the first channel in said nonmagnetic zones; anda control system comprising:an agitation indication module structured to interpret an agitation indicator;an agitation planning module structured to provide an agitation control command in response to the agitation indicator; andan agitating module structured to agitate contents of at east one channel segment in response to the agitation control command;wherein said first rotor further comprises a foraminous channel floor operable to allow passage of the first tailings fraction therethrough as the first tailings fraction exits said first channel, and wherein said matrix material comprises a plurality of discrete magnetically susceptible objects sized to be retained in said first channel by said channel floor; andwherein said first rotor further comprises a plurality of vertical radial separating walls in said first channel, said separating walls dividing said first channel into a plurality of arc-shaped channel segments. 25. The device in accordance with claim 24, wherein the agitation indication module is further structured to interpret the agitation indicator in response to at least one of the following operations: determining that a predetermined time period has elapsed;determining that a predetermined operating time period has elapsed;determining that a predetermined quantity of material has been processed;determining that a flow rate in the system is below a threshold value; anddetermining that a channel segment has an effluent characteristic consistent with a cleanout indication. 26. The device in accordance with claim 24 wherein the agitation module is further structured to agitate contents of at least one channel segment by providing an operator visible instruction, the operator visible instruction comprising at least one of the following instructions: a valve indication comprising a valve identifier, a valve modulation command, and/or a valve modulation time; andan actuator indication comprising an actuator identifier, an actuator modulation command, and/or an actuator modulation time. 27. The device in accordance with claim 24 wherein the agitation planning module is further structured to determine at least one of a pressure pulse description and a flow rate description in response to the agitation indicator. 28. The device in accordance with claim 27, wherein the agitating module is further structured to operate one or more actuators in response to the pressure pulse description and/or flow rate description. 29. A high intensity magnetic separation device for separating a treatment slurry including magnetic particles and nonmagnetic particles suspended in water into a concentrate fraction and a tailings fraction, said device comprising: a first generally horizontal rotor rotatable about a first generally vertical axis, said first rotor defining a first circular channel rotatable about the first axis, said first channel defining a flow path through said first rotor and containing a matrix material therein, wherein the first channel is configured to allow passage of a downwardly moving fluid stream therethrough in contact with the matrix material;a first rigid support frame operable to support said first rotor;a first driver mounted to said first support frame, said first driver operable to rotate said first rotor at a generally constant rate;a first plurality of permanent magnet members fixedly attached to said first support frame, the first permanent magnet members positioned to straddle said first channel at a plurality of locations spaced apart along the circular path of said first channel, the first magnet members effective to apply magnetic fields across a plurality of portions of said path where said first channel is straddled by the first permanent magnet members, said portions defining a plurality of magnetic zones, said magnetic zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones alone said circular path;a first plurality of feed conduits for delivering a treatment slurry into the first channel at a plurality of input locations, each input location being positioned within one of the plurality of magnetic zones defined by said first plurality of permanent magnet members;a first plurality of water delivery conduits for delivering water into the first channel at a plurality of locations within the magnetic zones and within the nonmagnetic zones defined by said first plurality of permanent magnet members;a first plurality of tailings launders and a first plurality of concentrate launders positioned beneath said first channel; said first tailings launders positioned beneath said magnetic zones for receiving a first tailings fraction of the treatment slurry that passes through the first channel in said magnetic zones; and said first concentrate launders positioned beneath said nonmagnetic zones for receiving a first concentrate fraction of the treatment slurry that passes through the first channel in said nonmagnetic zones;a second generally horizontal rotor rotatable about the first axis or a second generally vertical axis, said second rotor defining a second circular channel rotatable about the first or second axis, said channel defining a flow path through said second rotor and containing a matrix material therein, wherein the second channel is configured to allow passage of a downwardly moving fluid stream in contact with the matrix material;a second rigid support frame operable to support said second rotor;a second driver mounted to said second support frame, said second driver operable to rotate said second rotor at a generally constant rate;a second plurality of permanent magnet members fixedly attached to said second support frame, the second permanent magnet members positioned to straddle said second channel at a plurality of locations spaced apart along the circular path of said second channel, the second magnet members effective to apply magnetic fields across a plurality of portions of said path where said second channel is straddled by the second permanent magnet members, said portions defining a plurality of separations zones, said separation zones being separated along said circular path by nonmagnetic zones, thereby providing a repeating series of separation zones and nonmagnetic zones along said circular path;a second plurality of feed conduits for delivering one or both of the first concentrate fraction and the first tailings fraction into the second channel at a plurality of input locations, each input location being positioned within one of the plurality of separation zones of the second channel defined by said second plurality of permanent magnet members;a second plurality of water delivery conduits for delivering water into the second channel at a plurality of locations within the separation zones and within the nonmagnetic zones defined by said second plurality of permanent magnet members; anda second plurality of tailings launders and a second plurality of concentrate launders positioned beneath said second channel; said second tailings launders positioned beneath said separation zones for receiving a second tailings fraction that passes through the second channel in said separation zones; and said second concentrate launders positioned beneath said nonmagnetic zones for receiving a second concentrate fraction that passes through the second channel in said nonmagnetic zones;wherein said first rotor further comprises a foraminous channel floor operable to allow passage of the first tailings fraction therethrough as the first tailings fraction exits said first channel, and wherein said matrix material comprises a plurality of discrete magnetically susceptible objects sized to be retained in said first channel by said channel floor;wherein said first rotor further comprises a plurality of vertical radial separating walls in said first channel, said separating walls dividing said first channel into a plurality of arc-shaped channel segments;wherein said floor of at least one of said channel segments comprises a drop-in screen sized and shaped to fit within one of said channel segments; andwherein at least one of said first and second rotors defines a plurality of connected and spaced apart circular channels rotatable about the first or second axis, each of said first or second plurality of channels defining a flow path through the first or second rotor and containing a matrix material therein, wherein each of said first or second plurality of channels is configured to allow passage of a downwardly moving fluid stream in contact with the matrix material contained therein. 30. The device in accordance with claim 29 wherein said second rigid support frame is integral with said first rigid support frame. 31. The device in accordance with claim 30 wherein both of said first and second rotors are rotatable about said first axis. 32. The device in accordance with claim 30 wherein said first rotor is positioned above said second rotor. 33. A system, comprising: a horizontally oriented rotor having a circular channel positioned thereon, the circular channel having a slurry-permeable floor and a discrete object matrix positioned therein, wherein the discrete object matrix comprises a plurality of shaped objects, each of the shaped object having a magnetic characteristic that is one of magnetic and magnetically susceptible;a drive mechanism operationally coupled to the rotor;a permanent magnet rotationally independent from the rotor, wherein the permanent magnet is positioned to apply a magnetic field across the circular channel over a range of angular positions of the rotor;a feed conduit structured to deliver a treatment slurry into the first channel;a first water delivery conduit structured to deliver water into the first channel from above said first channel;a second water delivery conduit structured to deliver water into the first channel from below said first channel;a tailings launder positioned beneath the circular channel within the range of angular positions of the rotor; anda concentrate launder positioned beneath the circular channel outside the range of angular positions of the rotor. 34. The system in accordance with claim 33, further comprising a jolting device structured to move at least one of the shaped objects within the circular channel. 35. The system in accordance with claim 34 wherein the jolting device comprises at least one device selected from the devices consisting of: a jump magnet, a rumble strip positioned in a movement path of a wheel supporting the rotor, a bump positioned in a movement path of a wheel supporting the rotor, and a vibrator operationally coupled to the circular channel. 36. A system, comprising: a horizontally oriented rotor having a circular channel positioned thereon, the circular channel having a slurry-permeable floor and a discrete object matrix positioned therein, wherein the discrete object matrix comprises a plurality of shaped objects, each of the shaped object having a magnetic characteristic that is one of magnetic and magnetically susceptible;a drive mechanism operationally coupled to the rotor;a permanent magnet rotationally independent from the rotor, wherein the permanent magnet is positioned to apply a magnetic field across the circular channel over a range of angular positions of the rotor;a feed conduit structured to deliver a treatment slurry into the first channel;a water delivery conduit structured to deliver water into the first channel;a tailings launder positioned beneath the circular channel within the range of angular positions of the rotor; anda concentrate launder positioned beneath the circular channel outside the range of angular positions of the rotor;wherein tailings launder is separated from said concentrate launder by a dividing wall; andwherein said dividing wall is configured to be horizontally adjustable. 37. The system in accordance with claim 36, further comprising a jolting device structured to move at least one of the shaped objects within the circular channel. 38. The system in accordance with claim 37 wherein the jolting device comprises at least one device selected from the devices consisting of: a jump magnet, a rumble strip positioned in a movement path of a wheel supporting the rotor, a bump positioned in a movement path of a wheel supporting the rotor, and a vibrator operationally coupled to the circular channel.
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