Apparatus and method for biological treatment of environmental contaminants and waste
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0043056
(2002-01-08)
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발명자
/ 주소 |
- Shaffer,Jon
- Fernandes,Jack
- Lucido,John
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
2 인용 특허 :
8 |
초록
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The invention is directed to an apparatus for delivering activated microorganisms to an environment to be treated. The apparatus has a bioreactor containing microorganisms, a supply of organic and inorganic nutrients and a controller. The controller maintains the conditions of the bioreactor so as t
The invention is directed to an apparatus for delivering activated microorganisms to an environment to be treated. The apparatus has a bioreactor containing microorganisms, a supply of organic and inorganic nutrients and a controller. The controller maintains the conditions of the bioreactor so as to maintain the microorganisms in the exponential phase of growth. Although the apparatus is continuous, the controller also doses a portion of the fluid in the bioreactor to the environment to be treated. The invention also provides a method for the biological treatment of wastes and an organic and inorganic nutrient composition used to feed the microorganisms in the bioreactor.
대표청구항
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What is claimed is: 1. An apparatus for delivering microorganisms to an environment to be treated, comprising: a bioreactor comprising an output tube to the environment to be treated; a nutrient container comprising a mixture of inorganic and organic nutrients; a nutrient pumping means for pumpin
What is claimed is: 1. An apparatus for delivering microorganisms to an environment to be treated, comprising: a bioreactor comprising an output tube to the environment to be treated; a nutrient container comprising a mixture of inorganic and organic nutrients; a nutrient pumping means for pumping inorganic and organic nutrients from the nutrient container to the bioreactor, the nutrient pumping means is in fluid communication with the nutrient container and the bioreactor, and a water pumping means for pumping water into the bioreactor, the water pumping means is in fluid communication with the bioreactor and a water source wherein the water pumped into the bioreactor displaces fluid out of the output tube of the bioreactor to the environment to be treated. 2. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, further comprising a reservoir in fluid communication with the water source and the water pumping means wherein the water pumping means pumps water from the reservoir to the bioreactor. 3. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, further comprising a controller comprising a programmable memory and an actuator, the controller being in communication with the nutrient and water pumping means wherein the actuator activates the nutrient and water pumping means according to a predetermined schedule stored in the programmable memory of the controller. 4. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, further comprising a heater means for heating the bioreactor. 5. An apparatus for delivering activated microorganisms to an environment to be treated according to claim 4, wherein the heater means maintains a temperature in the bioreactor of about 40째 F. to about 120째 F. 6. An apparatus for delivering microorganisms to an environment to be treated according to claim 5, wherein the heater means maintains a temperature in the bioreactor of about 70째 F. to about 100째 F. 7. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, wherein the mixture of inorganic and organic nutrients in the nutrient container is in liquid form. 8. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, wherein the nutrient pumping means and the water pumping means operate independently. 9. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, wherein the nutrient pumping means is a pneumatic pump. 10. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, wherein the water pumping is a pneumatic pump. 11. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, wherein the nutrient container is a hopper containing a dry mixture of inorganic and organic nutrients and is in communication with the nutrient pumping means and the bioreactor. 12. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, wherein the bioreactor comprises a cell density sensor for measuring the concentration of microorganisms in the bioreactor. 13. An apparatus for delivering microorganisms to an environment to be treated according to claim 12, wherein the cell density sensor is a spectrophotometer. 14. An apparatus for delivering microorganisms to an environment to be treated according to claim 12, wherein the cell density sensor is a conductivity meter. 15. An apparatus for delivering microorganisms to an environment to be treated according to claim 1, further comprising an overflow tube. 16. An apparatus for delivering microorganisms to an environment to be treated, comprising: a bioreactor comprising an output tube to the environment to be treated; a nutrient container comprising a mixture of inorganic and organic nutrients; a nutrient pumping means for pumping inorganic and organic nutrients from the nutrient container to the bioreactor, the nutrient pumping means is in fluid communication with the nutrient container and the bioreactor; a solenoid in fluid communication with the water supply and the bioreactor, the solenoid having an open and dosed position wherein water flows into the bioreactor when the solenoid is in the open position and water is prevented from entering into the bioreactor when the solenoid is in the closed position; and a reservoir in fluid communication with the water supply and the bioreactor wherein water enters the reservoir and flows to the bioreactor when a predetermined level is reached. 17. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, further comprising a controller comprising a programmable memory and an actuator, said controller being in communication with the solenoid and the nutrient pumping means wherein the actuator activates the solenoid and nutrient pumping means according to a predetermined schedule stored in the programmable memory of the controller. 18. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, further comprising a heater means for heating the bioreactor. 19. An apparatus for delivering activated microorganisms to an environment to be treated according to claim 18 wherein the heater means maintains a temperature in the bioreactor chamber of about 40째 F. to about 120째 F. 20. An apparatus for delivering microorganisms to an environment to be treated according to claim 18, wherein the heater means maintains a temperature in the bioreactor chamber of about 70째 F. to about 100째 F. 21. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, wherein the inorganic and organic nutrients are in liquid form. 22. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, wherein the nutrient pumping means and solenoid are independent. 23. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, wherein the nutrient pumping means is a pneumatic pump. 24. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, wherein the nutrient container is a hopper containing a dry mixture of inorganic and organic nutrients and is in communication with the nutrient pumping means. 25. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, wherein the bioreactor comprises a cell density sensor for measuring the concentration of microorganisms in the bioreactor. 26. An apparatus for delivering microorganisms to an environment to be treated according to claim 25, wherein the cell density sensor is a spectrophotometer. 27. An apparatus for delivering microorganisms to an environment to be treated according to claim 25, wherein the cell density sensor is a conductivity meter. 28. An apparatus for delivering microorganisms to an environment to be treated according to claim 16, further comprising an overflow tube.
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Nelson, Douglas J.; Rawson, Robert, Method of growing bacteria for use in wastewater treatment.
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