期刊
BIORESOURCE TECHNOLOGY
卷 144, 期 -, 页码 67-73出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.06.092
关键词
Microwave-assisted hydrolysis; Polyoxometalate; Corn starch; Crystalline cellulose; Dielectric property
资金
- Adaptable and Seamless Technology Transfer Program through Target-Driven R&D (Exploratory Research) of the Japan Science and Technology Agency [AS242Z03337N]
- Grants-in-Aid for Scientific Research [24560949] Funding Source: KAKEN
Polyoxometalate (POM) clusters were utilized as recyclable acid catalysts and microwave-absorbing agents for the microwave-assisted hydrolysis of corn starch and crystalline cellulose. Phosphotungstic (PW) and silicotungstic (SiW) acids showed high hydrolyzing activity, while phosphomolybdic acid (PMo) showed lower glucose stability. The PW catalyst could be recycled by ether extraction at least 4 times without changing its catalytic activity. The addition of PW could reduce the energy demand required for running the hydrolysis by 17-23%. The dielectric property of the aqueous PW solution was important for increasing the microwave-absorption capability of the reaction system and reducing the energy consumption. (C) 2013 Elsevier Ltd. All rights reserved.
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