Sunday, May 4, 2008
4-11
Activated carbon derived from Fast Pyrolysis Liquids Production of Agricultural Residues and Energy Crops
Isabel M. Lima, United States Department of Agriculture, Agricultural Research Service, Southern Regional Research Center, 1100 Robert E. Lee Blvd, New Orleans, LA 70124 and Akwasi A. Boateng, USDA-ARS, Eastern Regional Research Center, 600 E. Mermaid Lane, Wyndmoor, PA 19038.
Fast pyrolysis is rapid heating in the absence of oxygen resulting in decomposition of organic material. When applied to biomass, fast pyrolysis produces liquids (bio-oil), char and gas. The char co-product is a valuable soil-amending, carbon sequestering agent. However, its usefulness depends on its surface and interfacial character, which, in turn, depends on the biomass precursor, and the pyrolysis condition. The Agricultural Research Service (ARS) of the USDA is studying the fast pyrolysis of potential perennial energy crops and animal wastes for bio-oil production and value-added char and activated carbon. In this study, the char yields accompanying a fluidized bed fast pyrolysis of these substrates will be presented. Furthermore, surface areas, microporosity and adsorption of both metal ions and trihalomethanes for the chars and after further activation (ex-situ), will be compared and contrasted in light of its soil amendment and nutrient delivery potential.
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See more of The 30th Symposium on Biotechnology for Fuels and Chemicals (May 4 -- 7, 2008)
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See more of The 30th Symposium on Biotechnology for Fuels and Chemicals (May 4 -- 7, 2008)