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 공개 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | 16417388 (2019-05-20) |
공개번호 | 20190270655 (2019-09-05) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 0 인용 특허 : 0 |
Embodiments of the invention comprise methods and systems for optimizing coagulant dosing of raw water in a water treatment process. First, the embodiments determine the optimum dosage of pH adjusting chemicals to be added to the raw water based on a measurement of dissolved organic content, alkalin
Embodiments of the invention comprise methods and systems for optimizing coagulant dosing of raw water in a water treatment process. First, the embodiments determine the optimum dosage of pH adjusting chemicals to be added to the raw water based on a measurement of dissolved organic content, alkalinity, and pH of the raw water. Then, the embodiments perform a flocculation test of a mixture of the optimally-pH-dosed raw water and a hydrolyzing metal salt (HMS) wherein the dosage of the HMS salt in the mixture can be calculated based on a measurement of the charge demand of the optimally-pH-dosed raw water. The results of this flocculation test are compared to the results of at least one previous test of a combination of optimally-pH-dosed raw water and HMS to determine if the hydrolyzing metal salt dose is optimized. Once the HMS is optimized, the optimally-HMS-dosed optimally-pH-dosed water is tested with at least two different dosages of a polymer coagulant to determine the optimal polymer coagulant dosage to be used with the optimally-HMS-dosed optimally-pH-dosed water.
1. A method for optimizing coagulant dosing of raw water in a water treatment process, the method comprising the steps of: determining an optimum dosage of pH adjusting chemicals to be added to the raw water in response to a measurement of the organic content, the alkalinity, and the pH of the raw w
1. A method for optimizing coagulant dosing of raw water in a water treatment process, the method comprising the steps of: determining an optimum dosage of pH adjusting chemicals to be added to the raw water in response to a measurement of the organic content, the alkalinity, and the pH of the raw water;flocculation testing a first hydrolyzing-metal-salt water sample wherein: the first hydrolyzing-metal-salt water sample comprises a combination of the raw water, the optimum dosage of pH adjusting chemicals, and a calculated first dosage of a hydrolyzing metal salt; andflocculation testing of the first hydrolyzing-metal-salt water sample comprises a light source and a digital camera configured for recording a plurality of digital images of illuminated suspended floc particles in the first hydrolyzing-metal-salt water sample;determining an optimized hydrolyzing metal salt dosage in response to the flocculation test of the first hydrolyzing-metal-salt water sample;flocculation testing a first polymer coagulant water sample wherein: the first polymer coagulant water sample comprises the raw water, the optimum dosage of pH adjusting chemicals, the optimized hydrolyzing metal salt dosage, and a first polymer coagulant dosage; andflocculation testing of the first polymer coagulant water sample comprises a light source and a digital camera configured for recording a plurality of digital images of illuminated suspended floc particles in the first polymer coagulant water sample;flocculation testing a second polymer coagulant water sample wherein: the second polymer coagulant water sample comprises the raw water, the optimum dosage of pH adjusting chemicals, the optimized hydrolyzing metal salt dosage, and a second polymer coagulant dosage;the second polymer coagulant dosage is different from the first polymer coagulant dosage; andflocculation testing of the second polymer coagulant water sample comprises a light source and a digital camera configured for recording a plurality of digital images of illuminated suspended floc particles in the second polymer coagulant water sample; anddetermining an optimum polymer coagulant dosage in response to the flocculation test of the first polymer coagulant water sample and the flocculation test of the second polymer coagulant water sample; andwherein all preceding steps are performed in the order listed herein. 2. The method of claim 1 wherein determining the optimum polymer coagulant dosage further comprises the following iterative steps: re-running the polymer coagulant flocculation test with an increased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced smaller floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was less than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test;re-running the polymer coagulant flocculation test with a decreased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced larger floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was less than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test;re-running the polymer coagulant flocculation test with a decreased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced smaller floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was greater than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test;re-running the polymer coagulant flocculation test with an increased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced larger floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was greater than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test; andrepeating the preceding iterative steps until the floc size change between the two most recent flocculation tests of the two most recent polymer coagulant water samples indicates that floc size has not changed sufficiently to justify further flocculation testing of polymer coagulant water samples. 3. The method of claim 1 wherein flocculation testing of the first hydrolyzing-metal-salt water sample is performed in a portable system, the portable system comprising: a user-removable chamber for holding the first hydrolyzing-metal-salt water sample, wherein: the chamber comprises: a substantially square shaped horizontal cross section;at least one see-through side wall; andan aperture located in a top portion of the chamber;the chamber is configured for: receiving the water and first hydrolyzing-metal-salt water sample through the aperture; andmanually disposing the first hydrolyzing-metal-salt water sample through the aperture; andan instrument configured for insertion partially into the first hydrolyzing-metal-salt water sample in the chamber, wherein: the instrument is portable;the instrument is configured for: manual vertical insertion of a first instrument part through the aperture;manual vertical insertion of the first instrument part into the first-hydrolyzing metal-salt water sample in the chamber;manual vertical movement of a second instrument part parallel to the outside of the see-through wall when the first instrument part is manually inserted into the first hydrolyzing-metal-salt water sample in the chamber; andviewing suspended particles in a region of the first hydrolyzing-metal-salt water sample in the chamber wherein the region is in the bottom half of the user-removable chamber;the instrument comprises a first light source configured for: vertical manual submersion into the region in the chamber; andillumination of the particles in the region from a first side;the instrument comprises a second light source configured for: vertical manual submersion into the region in the chamber at the same elevation as the first light source; andillumination of the particles in the region from a second side that is opposite to the first side;the instrument comprises a contrast plate wherein: the contrast plate is configured for manual vertical submersion into the region in the chamber;the contrast plate is located on a third side of the region at the same elevation as the first light source and the second light source wherein the third side is perpendicular to the first and second sides; andthe contrast plate comprises a dark opaque material;the instrument comprises a digital optical camera wherein: the digital optical camera is located on the second instrument part that is configured to stay outside of the removable chamber when the first instrument part is inserted into the aperture;the digital optical camera is configured for being located outside of the chamber and facing the chamber with a horizontal view of the region from a fourth side of the region wherein: the fourth side is opposite of the third side;the view is at the same elevation as the first light source, the second light source and the contrast plate; andthe view is through the see-through wall;the digital camera is located on the opposite side of the see-through wall from the first light source, the second light source, and the contrast plate; andthe digital camera is configured for recording a plurality of digital images of the illuminated suspended particles;the instrument comprises a mixing unit that comprises a mixing paddle and a mixer motor wherein: the mixing paddle is configured for submersion into the first-hydrolyzing metal-salt water sample in the chamber at the same elevation as the first light source, the second light source, and the contrast plate;the mixing paddle comprises at least one blade that is configured to be located at approximately the same vertical location as the region; andthe mixing paddle is connected and responsive to the shaft of the mixer motor;the contrast plate is located between the mixing paddle and the region;the instrument comprises a user-programmable controller wherein: the first light source, the second light source, the digital camera, and the mixing motor are responsive to the user-programmable controller;the controller is configured for receiving image data from the digital camera during: a flocculation phase when the mixer motor is on; anda settling phase when the mixer motor is off, wherein the settling phase occurs after the flocculation phase;the instrument comprises a user-programmable input device wherein: the controller is responsive to the input device;the mixing speed during the flocculation phase is stored by the controller and responsive to the input device; andthe duration of flocculation phase is stored by the controller and responsive to the input device and the real time clock;the instrument comprises a display wherein: the display is responsive to the controller; andthe display is configured for presenting a graph of a floc characteristic as a function of time during the flocculation phase and the settling phase, wherein the floc characteristic is selected from the group of: floc particle count wherein the floc particle count comprises a count of the quantity of suspended floc particles divided by a volume of the region;computed average floc particle volume;floc volume concentration wherein the floc volume concentration comprises the ratio of a volume of the suspended particles in the region divided by the total volume of the region; andequivalent average spherical floc particle diameter; andwherein the floc characteristic has been computed by computer code in the controller in response to the image data and time data from the real time clock. 4. The method of claim 1 wherein flocculation testing of the first polymer coagulant water sample is performed in a portable system, the portable system comprising: a user-removable chamber for holding the first polymer coagulant water sample, wherein: the chamber comprises: a substantially square shaped horizontal cross section;at least one see-through side wall; andan aperture located in a top portion of the chamber;the chamber is configured for: receiving the first polymer coagulant water sample through the aperture; andmanually disposing the first polymer coagulant water sample through the aperture; andan instrument configured for insertion partially into the first polymer coagulant water sample in the chamber, wherein: the instrument is portable;the instrument is configured for: manual vertical insertion of a first instrument part through the aperture;manual vertical insertion of the first instrument part into the first polymer coagulant water sample in the chamber;manual vertical movement of a second instrument part parallel to the outside of the see-through wall when the first instrument part is manually inserted into first polymer coagulant water sample in the chamber; andviewing suspended particles in a region of the first polymer coagulant water sample in the chamber wherein the region is in the bottom half of the user-removable chamber;the instrument comprises a first light source configured for: vertical manual submersion into the region in the chamber; andillumination of the particles in the region from a first side;the instrument comprises a second light source configured for: vertical manual submersion into the region in the chamber at the same elevation as the first light source; andillumination of the particles in the region from a second side that is opposite to the first side;the instrument comprises a contrast plate wherein: the contrast plate is configured for manual vertical submersion into the region in the chamber;the contrast plate is located on a third side of the region at the same elevation as the first light source and the second light source wherein the third side is perpendicular to the first and second sides; andthe contrast plate comprises a dark opaque material;the instrument comprises a digital optical camera wherein: the digital optical camera is located on the second instrument part that is configured to stay outside of the removable chamber when the first instrument part is inserted into the aperture;the digital optical camera is configured for being located outside of the chamber and facing the chamber with a horizontal view of the region from a fourth side of the region wherein: the fourth side is opposite of the third side;the view is at the same elevation as the first light source, the second light source and the contrast plate; andthe view is through the see-through wall;the digital camera is located on the opposite side of the see-through wall from the first light source, the second light source, and the contrast plate; andthe digital camera is configured for recording a plurality of digital images of the illuminated suspended particles;the instrument comprises a mixing unit that comprises a mixing paddle and a mixer motor wherein: the mixing paddle is configured for submersion into the first-hydrolyzing metal-salt water sample in the chamber at the same elevation as the first light source, the second light source, and the contrast plate;the mixing paddle comprises at least one blade that is configured to be located at approximately the same vertical location as the region; andthe mixing paddle is connected and responsive to the shaft of the mixer motor;the contrast plate is located between the mixing paddle and the region;the instrument comprises a user-programmable controller wherein: the first light source, the second light source, the digital camera, and the mixing motor are responsive to the user-programmable controller;the controller is configured for receiving image data from the digital camera during: a flocculation phase when the mixer motor is on; anda settling phase when the mixer motor is off, wherein the settling phase occurs after the flocculation phase;the instrument comprises a user-programmable input device wherein: the controller is responsive to the input device;the mixing speed during the flocculation phase is stored by the controller and responsive to the input device; andthe duration of flocculation phase is stored by the controller and responsive to the input device and the real time clock;the instrument comprises a display wherein: the display is responsive to the controller; andthe display is configured for presenting a graph of a floc characteristic as a function of time during the flocculation phase and the settling phase, wherein the floc characteristic is selected from the group of: floc particle count wherein the floc particle count comprises a count of the quantity of suspended floc particles divided by a volume of the region;computed average floc particle volume;floc volume concentration wherein the floc volume concentration comprises the ratio of a volume of the suspended particles in the region divided by the total volume of the region; andequivalent average spherical floc particle diameter; andwherein the floc characteristic has been computed by computer code in the controller in response to the image data and time data from the real time clock. 5. A method for optimizing water treatment comprising the steps of: determining an optimal dosage of pH adjusting chemicals to be added to raw water to produce pH-dose-optimized water in response to the organic content, the alkalinity, and the pH of the raw water;determining an optimal dosage of hydrolyzing metal salt to be added to the pH-dose-optimized water to produce hydrolyzing-metal-salt-dose-optimized PH-dose-optimized water, wherein: determining the optimal dosage of hydrolyzing metal salt comprises a hydrolyzing metal salt flocculation test;the hydrolyzing metal salt flocculation test comprises a light source and a digital camera;the light source and digital camera are configured to generate a plurality of digital images of illuminated suspended floc particles in a pH-dose optimized water sample that further comprises a test dosage of hydrolyzing metal salt; andthe optimal dosage of hydrolyzing metal salt is determined in response to the digital images of the illuminated suspended floc particles from the hydrolyzing metal salt flocculation test camera; anddetermining an optimal dosage of polymer coagulant to be added to the hydrolyzing-metal-salt-dose-optimized pH-dose-optimized water to produce optimally-flocculatable water wherein determining the optimal dosage of polymer coagulant comprises: a first polymer coagulant flocculation test that comprises a light source and a digital camera configured for recording a plurality of digital images of illuminated suspended floc particles in a hydrolyzing-metal-salt-dose-optimized pH-dose-optimized water sample that further comprises a first polymer coagulant dosage; anda second polymer coagulant flocculation test that comprises a light source and a digital camera configured for recording a plurality of digital images of illuminated suspended floc particles in a hydrolyzing-metal-salt-dose-optimized pH-dose-optimized water sample that further comprises second polymer coagulant dosage, wherein the second polymer coagulant dosage is different from the first polymer coagulant dosage;a comparison of the results of the first polymer coagulant flocculation test with the results of the second polymer coagulant flocculation test. 6. The method of claim 5 wherein determining the optimal dosage of polymer coagulant further comprises the following iterative procedure for reaching the optimum polymer coagulant dosage: re-running the polymer coagulant flocculation test with an increased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced smaller floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was less than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test;re-running the polymer coagulant flocculation test with a decreased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced larger floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was less than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test;re-running the polymer coagulant flocculation test with a decreased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced smaller floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was greater than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test;re-running the polymer coagulant flocculation test with an increased polymer coagulant dosage if the most recent polymer coagulant flocculation test produced larger floc than the polymer coagulant flocculation test immediately preceding the most recent polymer coagulant flocculation test and the polymer coagulant dosage in the most recent polymer coagulant flocculation test was greater than the polymer coagulant dosage in the flocculation test immediately preceding the most recent polymer coagulant dosage test; andrepeating this iterative procedure until the floc size change between the two most recent flocculation tests of the two most recent polymer coagulant water samples indicates that floc size has not changed sufficiently to justify further flocculation testing of polymer coagulant water samples. 7. The method of claim 5 wherein: determining optimal dosage of pH adjusting chemicals comprises an adjustment of an acid feed for a water treatment plant if the dissolved organic content of the raw water is less than the alkalinity of the raw water; anddetermining the optimal dosage of pH adjusting chemicals comprises an adjustment of a base feed for a water treatment plant if the dissolved organic content of the raw water is greater than the alkalinity of the raw water. 8. The method of claim 5 wherein: determining the optimal dosage of hydrolyzing metal salt comprises a test of the charge demand of the pH-dose-optimized water. 9. The method of claim 5 wherein: determining the optimal dosage of hydrolyzing metal salt comprises a titration of the pH-dose-optimized water with a poly-cation polymer. 10. The method of claim 5 wherein: determining the optimal dosage of hydrolyzing metal salt comprises a plurality of hydrolyzing-metal-salt flocculation tests with varying hydrolyzing-metal salt-dosages added to samples of pH-dose-optimized water, the plurality of tests being conducted using the following iterative procedure: re-running the hydrolyzing metal salt flocculation test with an increased hydrolyzing metal salt dosage if the most recent hydrolyzing metal salt flocculation test produced smaller floc than the hydrolyzing metal salt flocculation test immediately preceding the most recent hydrolyzing metal salt flocculation test and the hydrolyzing metal salt dosage in the most recent hydrolyzing metal salt flocculation test was less than the hydrolyzing metal salt dosage in the flocculation test immediately preceding the most recent hydrolyzing metal salt dosage test;re-running the hydrolyzing metal salt flocculation test with a decreased hydrolyzing metal salt dosage if the most recent hydrolyzing metal salt flocculation test produced larger floc than the hydrolyzing metal salt flocculation test immediately preceding the most recent hydrolyzing metal salt flocculation test and the hydrolyzing metal salt dosage in the most recent hydrolyzing metal salt flocculation test was less than the hydrolyzing metal salt dosage in the flocculation test immediately preceding the most recent hydrolyzing metal salt dosage test;re-running the hydrolyzing metal salt flocculation test with a decreased hydrolyzing metal salt dosage if the most recent hydrolyzing metal salt flocculation test produced smaller floc than the hydrolyzing metal salt flocculation test immediately preceding the most recent hydrolyzing metal salt flocculation test and the hydrolyzing metal salt dosage in the most recent hydrolyzing metal salt flocculation test was greater than the hydrolyzing metal salt dosage in the flocculation test immediately preceding the most recent hydrolyzing metal salt dosage test;re-running the hydrolyzing metal salt flocculation test with an increased hydrolyzing metal salt dosage if the most recent hydrolyzing metal salt flocculation test produced larger floc than the hydrolyzing metal salt flocculation test immediately preceding the most recent hydrolyzing metal salt flocculation test and the hydrolyzing metal salt dosage in the most recent hydrolyzing metal salt flocculation test was greater than the hydrolyzing metal salt dosage in the flocculation test immediately preceding the most recent hydrolyzing metal salt dosage test; andrepeating this iterative procedure until the floc size change between the two most recent flocculation tests of the two most recent hydrolyzing metal salt water samples indicates that floc size has not changed sufficiently to justify further flocculation testing of hydrolyzing metal salt water samples. 11. The method of claim 5 wherein: determining the optimal dosage of pH adjusting chemicals is performed automatically in response to instruments that measure the organic content, the alkalinity, and the pH of the raw water. 12. The method of claim 5 wherein: determining the optimal dosage of hydrolyzing metal salt comprises a computation of functional charge density of the pH-dose-optimized water. 13. The method of claim 5 wherein: determining optimal dosage of hydrolyzing metal salt comprises a titration of the pH-dose-optimized water and a hydrolyzing metal salt to determine the dosage of hydrolyzing metal salt needed to produce water with a target zeta potential. 14. The method of claim 5 wherein: the method further comprises the step of monitoring water treatment process flocculation wherein monitoring water treatment flocculation comprises comparing a current flocculation parameter of the optimally-flocculatable water with a historic flocculation parameter wherein the flocculation parameter is selected from the group of: floc number concentration per unit volume;individual floc-particle volume;mean floc particle volume concentration per unit volume;mean floc particle diameter of a sphere of equivalent volume;floc particle growth rate;maximum floc particle diameter;rate of settling of floc-particle volume concentration; andextent of settling of floc-particle volume concentration. 15. The method of claim 5 wherein the method further comprises the steps of: monitoring water treatment process flocculation wherein monitoring water treatment flocculation comprises comparing a current flocculation parameter with a historic flocculation parameter; andre-determining an optimal dosage of pH adjusting chemicals;re-determining an optimal dosage of hydrolyzing metal salt; andre-determining an optimal dosage of polymer coagulant;if the water treatment process flocculation has changed. 16. The method of claim 5 wherein: determining the optimal dosage of hydrolyzing metal salt comprises an automatic flocculation testing instrument wherein: the automatic instrument further comprises a digital camera; andthe automatic instrument is located downstream of a hydrolyzing metal salt addition point in a water treatment plant. 17. The method of claim 5 wherein: the first polymer coagulant flocculation test comprises an automatic flocculation testing instrument wherein: the automatic instrument further comprises a digital camera; andthe automatic instrument is located downstream of a polymer coagulant addition point in a water treatment plant. 18. The method of claim 5 wherein: light source and the digital camera for the hydrolyzing metal salt flocculation test are located in an instrument that further comprises: a contrast plate;a chamber for isolating the raw water with the optimized dosage of pH adjusting chemicals and the first dosage of hydrolyzing metal salt, wherein the chamber comprises an inlet and an outlet;a mixer; anda controller wherein the controller is configured for receiving image data from the digital camera during: a flocculation phase when the mixer motor is on; anda settling phase when the mixer motor is off, wherein the settling phase occurs after the flocculation phase. 19. The method of claim 5 wherein: light source and the digital camera for the hydrolyzing metal salt flocculation test are located in an instrument that further comprises a display, a controller, and a real time clock wherein: the display is responsive to the controller; andthe display is configured for presenting a graph of a floc characteristic as a function of time during the flocculation phase and the settling phase, wherein the floc characteristic is selected from the group of: floc particle count wherein the floc particle count comprises a count of the quantity of suspended floc particles divided by a volume of the region;computed average floc particle volume;floc volume concentration wherein the floc volume concentration comprises the ratio of a volume of the suspended particles in the region divided by the total volume of the region; andequivalent average spherical floc particle diameter; andwherein the floc characteristic has been computed by computer code in the controller in response to the image data and time data from the real time clock. 20. A system for optimizing water treatment comprising: a first element configured for determining an optimal dosage of pH adjusting chemicals to be added to raw water to produce pH-dose-optimized water in response to the organic content, the alkalinity, and the pH of the raw water;a second element configured for determining an optimal dosage of hydrolyzing metal salt to be added to the pH-dose-optimized water to produce hydrolyzing-metal-salt-dose-optimized pH-dose-optimized water, wherein: the second element comprises a light source and a digital camera;the light source and digital camera are configured for recording a plurality of digital images of illuminated suspended floc particles in a pH-dose optimized water sample that further comprises a test dosage of hydrolyzing metal salt; andthe optimal dosage of hydrolyzing metal salt is determined in response to the digital images of the illuminated suspended floc particles from the camera in the second element; anda third element configured for determining the optimal dosage of polymer coagulant to be added to the hydrolyzing-metal-salt-dose-optimized pH-dose-optimized water to produce optimally-flocculatable water wherein the third element is configured for: flocculation testing a first polymer coagulant water sample wherein: the first polymer coagulant water sample comprises: the hydrolyzing-metal-salt-dose-optimized pH-dose-optimized watera first polymer coagulant dosage; andflocculation testing of the first polymer coagulant water sample comprises a light source and a digital camera configured for recording a plurality of digital images of illuminated suspended floc particles in the first polymer coagulant water sample;flocculation testing a second polymer coagulant water sample wherein: the second polymer coagulant water sample comprises: the hydrolyzing-metal-salt-dose-optimized pH-dose-optimized watera second polymer coagulant dosage; andthe second polymer coagulant dosage is different from the first polymer coagulant dosage; andflocculation testing of the second polymer coagulant water sample comprises a light source and a digital camera configured for recording a plurality of digital images of illuminated suspended floc particles in the second polymer coagulant water sample; anddetermining the optimum polymer coagulant dosage in response to the flocculation test of the first polymer coagulant water sample and the flocculation test of second polymer coagulant water sample.
Copyright KISTI. All Rights Reserved.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.