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Life Cycle Assessment of Activated Carbon from Woody Biomass
Snapshot: Expanding biofuels and bioproducts production using forest biomass as feedstock contributes to not only alternatives to US fossil fuels, but also facilitates forest restoration treatments by providing new markets for management of woody biomass residues. This study quantified and compared the environmental performance of biobased active carbon (AC) made from forest restoration sources to coal-based AC and highlighted potential technologies for carbonization and activation. The most significant environmental advantage for biochar AC was the primary energy consumption reduction and associated reduction in global warming.
Activated carbon made from biochar activated using steam in a rotary calciner. USDA Forest Service.