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《The Chinese Journal of Process Engineering》 2009-03
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Necessity and Technical Route of Value-added Utilization of Biomass Process Residues in Light Industry

XU Guang-wen1, JI Wen-feng1,2, LIU Zhou-en1,2, WAN Yin-hua1, ZHANG Xiao-yong1 (1. State Key Laboratory of Multi-phase Complex System, Institute of Process Engineering, CAS, Beijing 100190, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China)  
The processes of light industry based on agricultural feedstock produces biomass residues in large amount along with its production of food, drink, medicine, paper, etc. Typical examples include bagasse, lees of spirit, alcohol and vinegar, grounds of tea, coffee and Chinese herbs, and waste mycelia biomass in fermentation. These residues represent a kind of biomass resource that is concentrated already. Analyzing their physicochemical and biological properties, this article argued that the utilization of such biomass residues from light industry has to follow a systemized technical scheme in consideration of both pretreatment and conversion of the residues. The conversion of the residues should be also subject to the different compositions of the residues rich in cellulose, protein or lignin. Based on all of these concerns, a comprehensive and integrative technical route was suggested to implement the value-added utilization of them and thereby to raise the energy and resource utilization efficiency of light industry processes.
【Fund】: 国家自然科学基金资助项目(编号:20606034)
【CateGory Index】: TK6
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