System and method for converting organic waste into methane and other useful products
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C02F-011/04
B09B-003/00
C02F-001/38
출원번호
US-0169843
(2011-06-27)
등록번호
US-8926841
(2015-01-06)
발명자
/ 주소
Denson, Jr., James L
출원인 / 주소
Waste Management National Services, Inc.
대리인 / 주소
Greenberg Traurig, LLP
인용정보
피인용 횟수 :
0인용 특허 :
9
초록▼
An organic waste processing system and method for producing a slurry for the production of bio-gas, transportation fuels and chemical products, and a residual solid. The system includes (i) a hopper configured to receive sorted organic waste having contaminants from one or more sources, (ii) a separ
An organic waste processing system and method for producing a slurry for the production of bio-gas, transportation fuels and chemical products, and a residual solid. The system includes (i) a hopper configured to receive sorted organic waste having contaminants from one or more sources, (ii) a separator system in communication with the hopper and configured to receive the sorted organic waste from the hopper and to remove at least a portion of the contaminants in the sorted organic waste, (iii) a complimentary liquid tank in communication with the separator system and containing complimentary liquids, (iv) a wash water liquid tank in communication with the separator system and containing wash water, (v) a product tank in communication with the separator system and configured to receive the sorted organic waste from the separator system, (vi) a make-up product tank in communication with the separator system and configured to receive the sorted organic waste from the separator system having low COD, (vii) a anaerobic digester system configured to receive the sorted organic waste from the product tank, and (viii) a programmable logic controller.
대표청구항▼
1. An organic waste processing system to produce to produce a slurry for the production of bio-gas, transportation fuels and chemical products, and a residual solid, comprising: a hopper configured to receive sorted organic waste having contaminants from one or more sources;a separator system in com
1. An organic waste processing system to produce to produce a slurry for the production of bio-gas, transportation fuels and chemical products, and a residual solid, comprising: a hopper configured to receive sorted organic waste having contaminants from one or more sources;a separator system in communication with the hopper and configured to receive the sorted organic waste from the hopper and to remove at least a portion of the contaminants in the sorted organic waste, wherein the separator system comprises a primary centrifugal separator;a complimentary liquid tank in communication with the separator system and containing complimentary liquids, wherein at least a portion of the complimentary liquids from the complimentary liquid tank is periodically injected into the separator system upon request;a wash water liquid tank in communication with the separator system and containing wash water, wherein at least a portion of the wash water from the wash water tank is periodically injected into the separator system upon request;a product tank in communication with the separator system and configured to receive the sorted organic waste from the separator system;a make-up product tank in communication with the separator system and configured to receive the sorted organic waste from the separator system having low COD, wherein at least a portion of the organic waste from the make-up product tank is periodically injected into the product tank upon request;an anaerobic digestor system configured to receive the sorted organic waste from the product tank, wherein the anaerobic digestor system comprises a flow meter, a control valve and an anaerobic digestor tank, wherein the control valve has an open and close position; anda programmable logic controller, wherein the programmable logic controller is configured to periodically inject organic waste into the anaerobic digestor tank to enhance anaerobic digestion, wherein the programmable logic controller is configured to monitor the flow meter and to open and close the control valve to inject the organic waste into the anaerobic digestor tank. 2. The system of claim 1, the separator system further comprising a secondary centrifugal separator in communication with the primary centrifugal separator and configured to receive the organic waste from the primary centrifugal separator and to remove at least a portion of the contaminants in the organic waste. 3. The system of claim 2, further comprising a FOG tank in communication with the separator system and containing FOG, wherein at least a portion of the FOG from the FOG tank is periodically injected into the product tank upon request. 4. The system of claim 2, further comprising a phase separated FOG tank in communication with the separator system and containing phase separated FOG, wherein at least a portion of the phase separated FOG from the phase separated FOG tank is periodically injected into the product tank upon request. 5. The system of claim 2, the primary centrifugal separator is configured to remove contaminants greater than 15 millimeters from the organic waste. 6. The system of claim 3, the secondary centrifugal separator is configured to remove contaminants greater than 8 millimeters from the organic waste. 7. The system of claim 2, wherein complimentary liquids comprises at least one selected from the group consisting of grease trap material, decased consumer products, off-spec consumer products, and beverage industry industrial process waste waters. 8. The system of claim 2, further comprising a supervisory control and data acquisition interface configured to control at least a portion of the organic waste processing system remotely over the interne. 9. The system of claim 2, wherein the programmable logic controller is configured to control at least one selected from the group consisting of a pump cycle start, a pump cycle stop, a feed cycle start, a feed cycle stop, a feed cycle reset. 10. The system of claim 2, wherein the programmable logic controller is configured to close the control valve after a predetermined setpoint is reached. 11. The system of claim 2, wherein the programmable logic controller is configured to monitor at least one selected from the group consisting of a cumulative amount of the organic waste fed into the anaerobic digestor tank and a current cycle amount of the organic waste fed into the anaerobic digestor tank. 12. A method for producing a slurry for the production of bio-gas, transportation fuels and chemical products, and a residual solid, comprising: receiving, into a hopper, sorted organic waste having contaminants from one or more sources;receiving, into a separator system in communication with the hopper, at least a portion of the sorted organic waste from the hopper and removing at least a portion of the contaminants in the sorted organic waste, wherein the separator system comprises a primary centrifugal separator;periodically injecting, from a complimentary liquid tank having complimentary liquid, at least a portion of the complimentary liquids into the separator system upon request;periodically injecting, from a wash water liquid tank having wash water, at least a portion of the wash water into the separator system upon request;receiving, into a product tank in communication with the separator system, at least a portion of the sorted organic waste from the separator system;receiving, into a make-up product tank in communication with the separator system, at least a portion of the sorted organic waste from the separator system, wherein the make-up product tank receives organic waste having a low COD;periodically injecting, into the product tank, at least a portion of the organic waste having a low COD from the make-up product tank upon request;receiving, into a anaerobic digestor system, the sorted organic waste from the product tank, wherein the anaerobic digestor system comprises a flow meter, a control valve and an anaerobic digestor tank, wherein the control valve has an open and close position;anaerobic digesting the organic waste in the anaerobic digestor tank; andcontrolling the flow of the organic waste into the anaerobic digestor tank to enhance anaerobic digestion, wherein the flow is controlled by a programmable logic controller that is configured to periodically inject organic waste into the anaerobic digestor tank, wherein the programmable logic controller is configured to monitor the flow meter and to open and close the control valve to inject the organic waste into the anaerobic digestor tank. 13. The method of claim 12, wherein the separator system further includes a secondary centrifugal separator in communication with the primary centrifugal separator, and wherein the system further comprises and configured to receive the organic waste from the primary centrifugal separator and to remove at least a portion of the contaminants in the organic waste. 14. The method of claim 12, further comprising periodically injecting, from a FOG tank having FOG, at least a portion of the FOG into the product tank upon request. 15. The method of claim 12, further comprising periodically injecting, from a phase separated FOG tank having phase separated FOG, at least a portion of the phase separated FOG into the product tank upon request. 16. An organic waste processing system to produce to produce a slurry for the production of bio-gas, transportation fuels or chemical products, and a residual solid, comprising: a hopper configured to receive sorted organic waste having contaminants from one or more sources;a separator system in communication with the hopper and configured to receive the sorted organic waste from the hopper and to remove at least a portion of the contaminants in the sorted organic waste, wherein the separator system comprises a primary separator;a wash water liquid tank in communication with the separator system and containing wash water, wherein at least a portion of the wash water from the wash water tank is periodically injected into the separator system upon request;a product tank in communication with the separator system and configured to receive organic waste from the separator system, which has been processed by the separator system; anda make-up product tank in communication with the separator system and configured to receive the sorted organic waste from the separator system having low COD, wherein at least a portion of the organic waste from the make-up product tank is periodically injected into the product tank upon request. 17. The system of claim 16, including a complimentary liquid tank in communication with the separator system and containing complimentary liquids, wherein at least a portion of the complimentary liquids from the complimentary liquid tank is periodically injected into the separator system upon request. 18. The system of claim 16, including an anaerobic digestor system configured to receive the organic waste from the product tank, wherein the anaerobic digestor system comprises a flow meter, a control valve and an anaerobic digestor tank, wherein the control valve has an open and close position. 19. The system of claim 16, including a programmable logic controller, wherein the programmable logic controller is configured to periodically inject organic waste into the anaerobic digestor tank to enhance anaerobic digestion, wherein the programmable logic controller is configured to monitor a flow meter and to open and close a control valve to inject the organic waste into the anaerobic digestor tank. 20. The system of claim 16, wherein the primary separator is a centrifugal separator. 21. The system of claim 16, the separator system further comprising a secondary separator in communication with the primary separator and configured to receive the organic waste from the primary centrifugal separator and to remove at least a portion of the contaminants in the organic waste. 22. The system of claim 21, wherein the secondary separator is a centrifugal separator. 23. The system of claim 21, further comprising a FOG tank in communication with the separator system and containing FOG, wherein at least a portion of the FOG from the FOG tank is periodically injected into the product tank upon request. 24. The system of claim 21, further comprising a phase separated FOG tank in communication with the separator system and containing phase separated FOG, wherein at least a portion of the phase separated FOG from the phase separated FOG tank is periodically injected into the product tank upon request. 25. The system of claim 21, the primary separator is configured to remove contaminants greater than 15 millimeters from the organic waste. 26. The system of claim 21, the secondary separator is configured to remove contaminants greater than 8 millimeters from the organic waste. 27. The system of claim 17, wherein complimentary liquids comprises at least one selected from the group consisting of grease trap material, decased consumer products, off-spec consumer products, and beverage industry industrial process waste waters. 28. The system of claim 19, further comprising a supervisory control and data acquisition interface configured to control at least a portion of the organic waste processing system remotely over the internet. 29. The system of claim 19, wherein the programmable logic controller is configured to control at least one selected from the group consisting of a pump cycle start, a pump cycle stop, a feed cycle start, a feed cycle stop, a feed cycle reset. 30. The system of claim 19, wherein the programmable logic controller is configured to close a control valve, associated with an anaerobic digestor system, after a predetermined setpoint is reached. 31. The system of claim 19, wherein the programmable logic controller is configured to monitor at least one selected from the group consisting of a cumulative amount of the organic waste fed into an anaerobic digestor tank, associated with an anaerobic digestor system, and a current cycle amount of the organic waste fed into the anaerobic digestor tank. 32. A method for producing a slurry for the production of bio-gas, transportation fuels or chemical products, and a residual solid, comprising: receiving, into a hopper, sorted organic waste having contaminants from one or more sources;receiving, into a separator system in communication with the hopper, at least a portion of the sorted organic waste from the hopper and removing at least a portion of the contaminants in the sorted organic waste, wherein the separator system comprises a primary separator;periodically injecting, from a wash water liquid tank having wash water, at least a portion of the wash water into the separator system upon request;receiving, into a product tank in communication with the separator system, at least a portion of organic waste from the separator system, which has been processed by the separator system;receiving, into a make-up product tank in communication with the separator system, at least a portion of the organic waste from the separator system, wherein the make-up product tank receives organic waste having a low COD; andperiodically injecting, into the product tank, at least a portion of the organic waste having a low COD from the make-up product tank upon request. 33. The method of claim 32, including periodically injecting, from a complimentary liquids tank having complimentary liquids, at least a portion of the complimentary liquids into the separator system upon request. 34. The method of claim 32, including receiving, into an anaerobic digestor system, the sorted organic waste from the product tank, wherein the anaerobic digestor system comprises a flow meter, a control valve and an anaerobic digestor tank, wherein the control valve has an open and close position; and anaerobic digesting the organic waste in the anaerobic digestor tank. 35. The method of claim 34, including controlling the flow of the organic waste into the anaerobic digestor tank to enhance anaerobic digestion, wherein the flow is controlled by a programmable logic controller that is configured to periodically inject organic waste into the anaerobic digestor tank, wherein the programmable logic controller is configured to monitor the flow meter and to open and close the control valve to inject the organic waste into the anaerobic digestor tank. 36. The method of claim 32, wherein the primary separator is a centrifugal separator. 37. The method of claim 32, wherein the separator system further includes a secondary separator in communication with the primary separator, and wherein the system further comprises and is configured to receive the organic waste from the primary separator and to remove at least a portion of the contaminants in the organic waste. 38. The method of claim 37, wherein the secondary separator is a centrifugal separator. 39. The method of claim 32, further comprising periodically injecting, from a FOG tank having FOG, at least a portion of the FOG into the product tank upon request. 40. The method of claim 32, further comprising periodically injecting, from a phase separated FOG tank having phase separated FOG, at least a portion of the phase separated FOG into the product tank upon request.
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