1
Lawrence A Siwajek, W Jeffrey Cook, William R Brown: Landfill gas recovery. Acrion Technologies, Pearne Gordon McCoy & Granger, December 1, 1998: US05842357 (64 worldwide citation)

A process for concentrating and recovering methane and carbon dioxide from landfill gas includes absorption of commonly occurring pollutants using a reduced amount of carbon dioxide absorbent which itself may be an in situ derived and recoverable constituent. Separated methane may be concentrated in ...


2
Lawrence A Siwajek, W Jeffrey Cook, William R Brown: Landfill gas recovery. Acrion Technologies, Pearne Gordon McCoy & Granger, October 28, 1997: US05681360 (23 worldwide citation)

A process for concentrating and recovering methane and carbon dioxide from landfill gas includes absorption of commonly occurring pollutants using a reduced amount of carbon dioxide absorbent which itself may be an in situ derived and recoverable constituent. Separated methane may be concentrated in ...