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Recovery of methane from land fill gas

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-053/04
출원번호 US-0092746 (1987-09-03)
발명자 / 주소
  • Sircar Shivaji (Wescosville PA) Kumar Ravi (Allentown PA) Koch William R. (Fleetwood PA) VanSloun John (Allentown PA)
출원인 / 주소
  • Air Products and Chemicals, Inc. (Allentown PA 02)
인용정보 피인용 횟수 : 79  인용 특허 : 0

초록

High purity methane and carbon dioxide are recovered from landfill gas in an integrated multi-column adsorption system having a temperature swing adsorption section (TSA) for pretreatment of the crude landfill gas to remove trace impurities therefrom, the thus cleaned gas being fed to a pressure swi

대표청구항

In the process for purification and recovery of methane from landfill gas by subjecting such gas to pretreatment for removal of trace impurities therefrom followed by bulk separation of CO2 from CH4 from the pretreated gas by selective adsorption, the improvement which comprises; effecting such pret

이 특허를 인용한 특허 (79)

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