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특허 상세정보

Method of gasifying or degasifying a liquid

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-011/00   
미국특허분류(USC) 210/634 ; 210/637 ; 210/640 ; 210/645 ; 210/321.6 ; 435/02 ; 435/325 ; 435/372 ; 435/382 ; 435/385 ; 435/410 ; 435/243
출원번호 US-0735922 (1996-10-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Lew
인용정보 피인용 횟수 : 57  인용 특허 : 9
초록

A method of adding or removing a gas to or from a solution of the gas in a liquid involves transferring the gas between the liquid and another fluid through a membrane unit. The membrane unit includes a membrane which is (i) substantially impermeable to the solvent and having a permeability to oxygen of at least 100 barrers; (ii) formed from an amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole; and (iii) is maintained at a temperature below the glass transition temperature of the copolymer. The fluid can be another liquid or a gas. The novel meth...

대표
청구항

[ What is claimed is:] [1.] A method of transferring a gaseous component between two fluids having different partial pressures of the gaseous component, and wherein at least one of the two fluids is a liquid, the method comprising:contacting one of the two fluids with a first side of a two-sided, membrane unit, the membrane unit including a nonporous membrane (i) being substantially impermeable to the liquid and having a permeability to oxygen of at least 100 barrers; (ii) formed from an amorphous copolymer of perfluoro-2,2-dimethyl-1,3-dioxole; and (iii...

이 특허를 인용한 특허 피인용횟수: 57

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