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Li
1. Guozheng Li Department of Biology, School of Arts and Sciences University of Kentucky, US E-mail: gli4@uky.edu
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7. A special case – agriculture residues Agriculture Residues 700 Million Tons/year in China Waste or a sort of energy (Biomass)?
8. Field burning This technique is used to clear the land of any existing crop residue as well as kill weeds and weed seeds. Field burning is less expensive than most other methods such as herbicides or tillage but because it does produce smoke and other fire related pollutants, its use is not popular in agricultural areas bounded by residential housing. In the United States, field burning is a legislative and regulatory issue at both the federal and state levels of government .
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11. Process of Biomass Fast Pyrolysis Drying Char separation Comminution Fast pyrolysis Liquid recovery Flowchart of biomass fast pyrolysis system Feeding
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13. Properties and Elemental Composition of the Liquid Fuels Properties From rice husk From sawdust From mixture H 2 O (wt%) 25.2 19.0 20.7 pH 2.8 2.1 2.6 Density (kg/m 3 ) 1190 1300 1255 Viscosity (mm 2 /s) 128 240 156 LHV (MJ/kg) 17.42 18.2 17.4 C (wt%) 41.7 53.5 46.5 H (wt%) 7.7 6.4 7.3 O (wt%) 50.3 40.2 49.8 N (wt%) 0.3 0.2 0.2 S (wt%) 0.2 0.1 0.1
18. Strategy of Using Biomass Bio-oil Carbon + Gas Product Biomass Syngas Chemicals Methanol Gasoline Pyrolysis Reforming Isolating Synthesis Supply energy for pyrolysis By-products
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