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LNG production requires recovery of pure CH4 from LFG. Additional CO2 must be removed from clean methane product after CO2 WashT (B) to prevent solid CO2 formation during methane liquefaction. Two Air Liquide (MEDAL), membranes connected in series and operating at 200 psig reduce the CO2 concentration from 30% to …

The Halifax Regional Municipality (HRM) in Nova Scotia took a giant leap in 1998 to reaching a 50 percent diversion goal by 2000. Between July and November, 1998, organics collection carts were distributed to almost 100,000 households in the region. In December, two new composting facilities designed to process those …

The enormous potential to utilize biomass to create sustainable bioproducts and bioenergy was the focus of the Fourth Biomass Conference of the Americas held in Oakland, California in early September. Organized by the California Energy Commission, the United States Department of Energy (DEO), Natural Resources Canada and the National Renewable …