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특허 상세정보

Pressure swing adsorption recovery

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/04   
미국특허분류(USC) 55/25 ; 55/58 ; 55/62 ; 55/74
출원번호 US-0265659 (1981-05-20)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 62  인용 특허 : 3
초록

Void space gas is released from an adsorbent bed at a higher adsorption pressure by cocurrent depressurization of the bed. The released gas is passed to another bed of a pressure swing adsorption system to equalize the pressure therebetween, the other bed being initially at a lower pressure. A portion of the product effluent withdrawn from yet another bed of the system is not passed to the bed undergoing repressurization, as in conventional practice, but is passed to an external repressurization storage tank during said pressure equalization step. Upon c...

대표
청구항

In a pressure swing adsorption process for the selective adsorption of at least one gas component from a feed gas mixture in an adsorption system having at least three adsorbent beds, each of which undergoes, on a cyclic basis, higher pressure adsorption, cocurrent depressurization to intermediate pressure with release of void space gas from the bed, countercurrent depressurization to a lower desorption pressure, and repressurization to said higher pressure, and in which the void space gas released from one bed is passed to the product end of another bed...

이 특허를 인용한 특허 피인용횟수: 62

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