[특허]Use of magnetic separation in scavenging hydrogen sulfide

Use of magnetic separation in scavenging hydrogen sulfide 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-015/00 C09K-007/04
출원번호	US-0406297 (1982-08-09)
발명자 / 주소	Fox Irwin (Ballwin MO)
출원인 / 주소	Samuels Alvin (New Orleans LA 14) Samuels David (St. Louis MO 14part interest to each)
인용정보	피인용 횟수 : 27 인용 특허 : 4

초록 ▼

Use of ferri-magnetic reactive iron oxide particles to react hydrogen sulfide in water, hydrocarbon liquids or drilling mud affords quick, effective scavenging of these liquids without accumulation of particulate matter and without wasting the reactive particles. The reaction product is environmentally safe, so that it may be disposed of on a simple waste heap. A quantity of the magnetic iron oxide particles, principally a synthetic porous Fe3O4, is suspended in the liquid. The quantity added is in excess of that required for the reaction with the hydrogen sulfide in order to speed the reaction time and provide a large margin of safety. In use, the reactive iron oxide particles contact and react the hydrogen sulfide, forming a non-magnetic particulate product of reaction. Thus, if used to scavenge a drilling mud, this contact and reaction occurs as the mud, bearing the drill cuttings, rises through the drilling formation. By passing the liquid, or at least that portion of it which includes all particulate matter, through a magnetic separator, substantially all, or at least the greater part of, the unreacted oxide particles are recovered for re-use. Since the unreacted particles are characterized by low remanent magnetism, after the magnetic separation they are readily re-suspended in such liquid.

대표청구항 ▼

In scavenging hydrogen sulfide from a hydrogen sulfide contaminated liquid, the process of suspending in a hydrogen sulfide contaminated liquid a quantity of ferri-magnetic iron oxide particles of the type which react with hydrogen sulfide to form a substantially non-magnetic environmentally safe particulate product of reaction, said quantity being in excess over that required for the reaction of such hydrogen sulfide, contacting and reacting the hydrogen sulfide with the said iron oxide particles and thereby forming such non-magnetic environmentally safe particulate product of reaction, the excess iron oxide particles remaining substantially unreacted and retaining their ferri-magnetic characteristic, then (A) passing the liquid containing the particulate matter comprising the excess unreacted ferri-magnetic iron oxide particles, particulate product of reaction and any other solids, through a magnetic separator, and, by it, separating and recovering therefrom substantially all or at least the greater portion of the said unreacted iron oxide particles, (B) separating out from the liquid such non-magnetic particulate product of reaction, along with any solids present, whereby to dispose of same without hazard to the environment, (C) recovering the purified liquid and (D) returning the unreacted iron oxide particulates to the contaminated liquid treatment step.

이 특허에 인용된 특허 (4)

Fox Irwin (Ballwin MO), Method of using a porous Fe₃O₄ drilling mud additive.
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Fox Irwin (Ballwin MO), Method of using a reactive iron oxide drilling mud additive.
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Fox Irwin (37 Meadowbrook Country Club Estates Ballwin MO 63011), Reactive iron oxide agents for scavenging hydrogen sulfide from hydrocarbon liquids.
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House Roy F. (Houston TX), Spheroidal plastic coated magnetizable particles and their use in drilling fluids.
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이 특허를 인용한 특허 (27)

Fox Richard B. (Chesterfield MO), Apparatus for eliminating hydrogen sulfide from liquids.
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Vuyk, Jr., Adrian; Terry, Jim B.; Tibbitts, Gordon Allen; Harder, Nathan J.; Galloway, Gregory G., Apparatus for injecting impactors into a fluid stream using a screw extruder.
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Allen, Barrett, Drilling fluid containing a recoverable lost circulation material and method of using and recovering the same.
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Farha, Floyd E.; Irurzun, Veronica M., Highly active nano iron catalyst for the absorption of hydrogen sulfide.
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Tibbitts, Gordon, Impact excavation system and method using a drill bit with junk slots.
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Harder, Nathan J.; Curlett, Harry B.; Padgett, Paul O.; Hazel, Butch, Impact excavation system and method with injection system.
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Harder, Nathan J.; Curlett, Harry B.; Padgett, Paul O.; Hazel, Butch, Impact excavation system and method with injection system.
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Harder, Nathan J.; Curlett, Harry B.; Padgett, Paul O.; Hazel, Butch, Impact excavation system and method with injection system.
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Tibbitts, Gordon Allen, Impact excavation system and method with suspension flow control.
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Tibbitts, Gordon A.; Galloway, Greg; Terry, Jim B., Impactor excavation system having a drill bit discharging in a cross-over pattern.
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Vuyk, Jr., Adrian; Galloway, Greg; Terry, Jim; Tibbitts, Gordon; Colvin, Kenneth; Carlson, Thomas Alan, Injection system and method comprising an impactor motive device.
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Watson James Henry Peter,GBX ; Ellwood Derek Clifford,GBX, Magnetic separation.
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Tibbitts, Gordon A.; Galloway, Greg; Vuyk, Jr., Adrian; Carlson, Thomas Alan, Method and system for controlling force in a down-hole drilling operation.
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Bennetzen, Martin Vad; Mogensen, Kristian, Method and system for the enhanced recovery of oil, using water that has been depleted in ions using magnetic particles.
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Mogensen, Kristian; Bennetzen, Martin Vad, Method and system for the recovery of oil, using water that has been treated using magnetic particles.
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Tibbitts, Gordon; Galloway, Greg; Vuyk, Jr., Adrian; Terry, James, Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring perforating, assisting annular flow, and associated methods.
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Tibbitts, Gordon A.; Galloway, Greg; Vuyk, Jr., Adrian; Terry, James, Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods.
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Tibbitts, Gordon; Galloway, Greg; Vuyk, Jr., Adrian; Terry, James, Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods.
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Tibbitts, Gordon; Galloway, Greg; Vuyk, Jr., Adrian; Terry, James, Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods.
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Hogen Delman R. (7813 Madison St. Spring Lake Park MN 55432) Robin James R. (Excelsior MN), Microbial mediated method for soil and water treatment.
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Hogen Delman R. (7813 Madison St. Spring Lake Park MN 55432) Robin James R. (23420 Park St. Excelsior MN 55331), Microbial mediated water treatment.
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Stone Michael D., Process for the removal and suppression of dissolved hydrogen sulfide and other malodorous compounds and reduction of a.
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Galloway, Greg, Shot blocking using drilling mud.
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Farha, Floyd E.; Irurzun, Veronica M., Sulfided iron (II) compound and method of manufacture.
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Farha, Floyd E., Sulfur removal using ferrous carbonate absorbent.
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Bennetzen, Martin Vad; Mogensen, Kristian, Use of magnetic nanoparticles for depletion of aromatic compounds in oil.
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Bennetzen, Martin Vad; Mogensen, Kristian, Water treatment suited for oil production wells.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Use of magnetic separation in scavenging hydrogen sulfide 원문보기

초록 ▼

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Use of magnetic separation in scavenging hydrogen sulfide 원문보기

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연구과제 타임라인

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이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 (27)

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