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특허 상세정보

Gas separation membrane module and gas separation method

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B01D-053/22    B01D-063/02    B01D-069/02    B01D-071/64   
출원번호 US-0288095 (2011-11-03)
등록번호 US-9718023 (2017-08-01)
우선권정보 JP-2010-247779 (2010-11-04); JP-2010-247931 (2010-11-04); JP-2010-274619 (2010-12-09); JP-2011-122285 (2011-05-31); JP-2011-207538 (2011-09-22); JP-2011-207647 (2011-09-22); JP-2011-227101 (2011-10-14); JP-2011-239388 (2011-10-31)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Nixon Peabody LLP
인용정보 피인용 횟수 : 0  인용 특허 : 25
초록

A process for producing nitrogen-rich air by feeding high temperature air at 150° C. or more to an air separation membrane module is described. After being placed at 175° C. for two hours, the air separation module exhibits a shape-retention ratio of 95% or more in one embodiment. The nitrogen-rich air can be fed to a fuel tank for an aircraft, for example.

대표
청구항

1. A process for producing nitrogen-rich air from the air using an air separation membrane module including an air separation membrane, the process comprising feeding the air at 175° C. or higher to the air separation membrane, wherein the air separation membrane in the air separation membrane module comprises a material having no glass-transition temperature at 300° C. or lower, wherein for the air separation membrane module,at the initiation of the use, an oxygen-gas permeation rate (P′O2) at 175° C. is 20×10−5 cm3(STP)/cm2·sec ·cmHg or more and a rati...

이 특허에 인용된 특허 (25)

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