[특허]Method for removing mercury from a gas stream and apparatus for same

Method for removing mercury from a gas stream and apparatus for same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B03C-030/14
출원번호	US-0838268 (1997-04-16)
발명자 / 주소	Altman Ralph F. Chang Ramsay Henningsgaard Robert M. Elsner Ronald W.
출원인 / 주소	Electric Power Research Institute, Inc.
대리인 / 주소	Flehr Hohbach Test Albritton & Herbert LLP
인용정보	피인용 횟수 : 110 인용 특허 : 0

초록 ▼

A method for removing mercury from a gas stream. In the method, sorbent is injected into the gas stream. Water is dispersed into the gas stream to create a cooled gas stream. The cooled gas stream is allowed to dwell with the sorbent in a chamber to remove mercury from the cooled gas stream. The cooled gas stream is passed through an electrostatic precipitator located above the chamber which collects water and recycles the collected water back into the chamber for cooling the gas stream in the chamber. An apparatus for removing mercury from a gas stream is also provided.

대표청구항 ▼

[ What is claimed is:] [1.] A method for removing mercury from a gas stream comprising the steps of injecting sorbent into the gas stream, dispersing water into the gas stream to create a cooled gas stream, allowing the cooled gas stream to dwell with the sorbent in a chamber for removing mercury from the cooled gas stream and passing the cooled gas stream through an electrostatic precipitator located above the chamber to collect water and recycle the collected water back into the chamber for cooling the gas stream in the chamber. [15.] An apparatus for removing contaminants from a gas stream comprising a vessel provided with an internal chamber, the vessel having an inlet in communication with the chamber for permitting a gas stream to be introduced into the chamber, an injector for injecting a sorbent into the gas stream to remove contaminants therein, at least one nozzle for dispersing water in the gas stream to enhance mercury removal and a wet electrostatic precipitator carried by the vessel above and in communication with the chamber for collecting water from the gas stream and raining the collected water back into the chamber for cooling the gas stream. The apparatus of claim 15 wherein the chamber has upper and lower portions, the wet electrostatic precipitator being located in the upper portion of the chamber. The apparatus of claim 16 wherein the at least one nozzle disperses water up into the lower portion of the chamber. The apparatus of claim 16 further comprising a recirculator in communication with the lower portion of the chamber for recycling water drained from the lower portion of the chamber back into the chamber to cool the gas stream. The apparatus of claim 15 further comprising a recirculator for recycling water and sorbent drained from the chamber back into the chamber for reuse.

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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

Method for removing mercury from a gas stream and apparatus for same 원문보기

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Method for removing mercury from a gas stream and apparatus for same 원문보기

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