doi:

DOI: 10.3724/SP.J.1145.2011.00232

Chinese Journal of Appplied Environmental Biology (应用与环境生物学报) 2011/17:2 PP.232-236

Comparison of Different Pretreatment Methods for Bamboo Residues*


Abstract:
Higher-efficiency and lower-cost pretreatment methods for bamboo and its residues.are important in energy utilization. In this study, two kinds of bamboo residues (bamboo shoot shell) fiber and bamboo stem and leaf were pretreated by three methods, and the treatments were compared with those for corn stalk. The results indiciated that 3, 4 and 5 kinds of sugar existed in the hydrolyzates under the different pretreatments, that is, H2SO4-cellulase, H3PO4-cellulase and NaOH-cellulase technologies, respectively. With the H2SO4-cellulase pretreatment technology, xylose was the main component, and then glucose. Using the H3PO4-cellulase technology, glucose was the main component, and then xylose. However, glucose and xylose were found at the nearly same concentration in in the treatment with NaOH-cellulase technology. On the other hand, the surface structure of bamboo biomass samples was changed and became much more soft after pretreated by those technologies,, which were more easy to be treated by cellulase. This study provides a way for bioenergy production from bamboo residues and other lignocellulose resources. Fig 4, Tab 4, Ref 18

Key words:bamboo residues,bamboo shoot shell fiber,bamboo stem and leaf,corn stalk,pretreatment,bioenergy

ReleaseDate:2014-07-21 16:01:22

Funds:Supported by the Key Technology R & D Program of Sichuan, China (No. 2009NZ0045) and the Sci-tech Fund Project of Chinese Academy of Agricultural Sciences (2009)



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