[특허]Biotreatment of wastewater from hydrocarbon processing units

Biotreatment of wastewater from hydrocarbon processing units 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C02F-003/34
출원번호	US-0794532 (1997-02-03)
발명자 / 주소	Haase Richard Alan
대리인 / 주소	Bani-Jamali
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

This invention provides a process for the biotreatment of effluent from waste gas scrubbing systems of hydrocarbon processing facilities and for the biotreatment of sulfide- and ammonia-containing wastewater streams from other sources. Sulfides are minimized by bacteria cultures, particularly Thiobacillus. COD, TKN and BOD are concurrently minimized by co-cultures of the bacteria with various heterotrophs. In a version of the process, the co-cultures of the bacteria with various heterotrophs are also capable of performing nitrification, without application of nitrifiers. Acclimation of the heterotrophs to the species to be removed is accomplished by biological acclimation and enrichment reactors which reduce mycell toxicity to the heterotrophs. To control pH of the heterotrophic reaction with sulfides, magnesium oxide (MgO) and caustic are used separately or in combination. With adequate removal of the COD, TKN and BOD, nitrification and removal of ammonia can be accomplished by nitrifying bacteria cultures, particularly nitrosomonas and nitrobacters. Enrichment of the nitrosomonas and nitrobacters is accomplished by using a biological enrichment reactor. To control pH and provide a carbon source for the nitrosomonas and nitrobacters, a combination of magnesium oxide and sodium bicarbonate is utilized.

대표청구항 ▼

[ What is claimed as invention is:] [1.] A process for biologically treating wastewater, containing sulfides, biological oxygen demand, chemical oxygen demand and ammonia, said process comprising:(a) applying bacteria cultures to the wastewater to minimize sulfide content of the wastewater, while simultaneously applying co-cultures of the bacteria with various heterotrophs to the wastewater in order to minimize chemical oxygen demand, biological oxygen demand and total Kjeldahl nitrogen of the wastewater; and(b) applying nitrifying bacteria cultures to the wastewater to enhance nitrification and to minimize ammonia content of the wastewater.

이 특허를 인용한 특허 (31)

Miklos, Daniel R., Apparatus and methods for control of waste treatment processes.
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Miklos, Daniel R., Apparatus and methods for control of waste treatment processes.
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Miklos, Daniel Robert, Apparatus and methods for control of waste treatment processes.
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Miklos, Daniel Robert, Apparatus and methods for control of waste treatment processes.
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Miklos,Daniel Robert, Apparatus and methods for control of waste treatment processes.
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Olivier,Laurent, Autotrofic sulfur denitration chamber and calcium reactor.
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Olivier,Laurent, Autotrofic sulfur denitration chamber and calcium reactor.
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Olivier,Laurent, Autotrofic sulfur denitration chamber and calcium reactor.
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Sung-gie Lee KR, Bacterial consortium EBC1000 and a method using the bacterial consortium EBC1000 for remedying biologically recalcitrant toxic chemicals contained in industrial wastewater, waste materials and soils.
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Lee, Sung-gie, Bacterial consortium NBC2000 and method for biologically treating endocrine disrupters using the NBC2000.
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Kumar, Manoj; Singh, Mahendra Pratap; Tiwari, Ashok Kumar; Tuli, Deepak Kumar; Malhotra, Ravinder Kumar; Kumar, Anand, Bio-augmentation composition and use thereof for improving efficiency of effluent treatment in hydrocarbon processing plant.
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Simpson, Gregory D.; Holden, Glenn W., Composition for odor control.
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Bailey, Jr.,Walter F.; Murthy,Sudhir N.; Benson,Leonard; Constantine,Timothy; Daigger,Glen T.; Sadick,Thomas E.; Katehis,Dimitrios, Method for nitrogen removal and treatment of digester reject water in wastewater using bioaugmentation.
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Dash, Swati Sucharita; Subramani, Ramachandrappa; Kompala, Dhinakar Sathyanathan, Method for rapid treatment of waste water and a composition thereof.
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Krier,Jean, Method for treating an effluent in three biological steps.
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Jaffe, Peter R.; Huang, Shan, Methods and compositions for nitrogen removal using feammox microorganisms.
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Olivier, Laurent, Mixing eductor.
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Yuan, Zhiguo, Pre-treatment of sludge.
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Okada, Atsushi; Teratani, Yoshitaka; Kadota, Naohiro; Itou, Hisao; Satou, Kazuhiro, Process for aerobic culture using sintered metal membrane.
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Bonnelye Veronique,FRX ; Moles Jacques,FRX ; Daniel Loic,FRX, Process for removing nitrogenous compounds and remineralizing water.
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Maree Johannes Philippus,ZAX ; Gerber Andries,ZAX, Process for treatment of sulphate-containing water.
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Haase Richard Alan, Process of biotreating wastewater from pulping industries.
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Hickey, Robert; Du, Jianxin; Reeves, Andrew; Tobey, Richard E., Processes for the anaerobic bioconverison of syngas to oxygenated organic compound with in situ protection from hydrogen cyanide.
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Haase, Richard A.; Taylor, Eileen, Processes of aqueous solids treatment.
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Matheis, Timothy Frank; Harshman, James Paul; Murphy, Michael Sumner, Slurry feed system and method.
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Matheis, Timothy F.; Morano, David L.; Harshman, James P., Synergistic methods for odor control.
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Hough, Stephen; Narayanan, Balakrishnan, Waste activated sludge anaerobic contact waste stream treatment process.
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Miklos, Daniel R., Waste treatment with control over biological solids.
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Olivier,Laurent, Waste water treatment process.
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Matheis, Timothy F.; Ward, Julie; Middleton, Winsel E.; Harshman, James P., Wastewater treatment methods.
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Matheis, Timothy F.; Ward, Julie; Middleton, Winsel E.; Harshman, James P., Wastewater treatment systems.
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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

Biotreatment of wastewater from hydrocarbon processing units 원문보기

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Biotreatment of wastewater from hydrocarbon processing units 원문보기

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연구과제 타임라인

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