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Back matter

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Energy & Environmental Science Vol - 5 Issue - 4

Energy & Environmental Science Vol - 5 Issue - 3

Energy & Environmental Science Vol - 5 Issue - 2

Energy & Environmental Science Vol -4

Energy & Environmental Science Vol -3

Energy & Environmental Science Vol -2

Energy & Environmental Science Vol -1

Hydrolysis of cellulose by cellulase-mimetic solid catalyst

Content Provider	Royal Society of Chemistry (RSC)
Author	Pan, Xuejun Shuai, Li
Copyright Year	2012
Abstract	A novel cellulase-mimetic solid catalyst, sulfonated chloromethyl polystyrene resin (CP-SO3H), containing cellulose-binding sites (–Cl) and catalytic sites (–SO3H) was synthesized for hydrolyzing cellulose. Cellobiose could be completely hydrolyzed in 2–4 hours at 100–120 °C by CP-SO3H, and microcrystalline cellulose (Avicel) could be hydrolyzed into glucose with a yield of 93% within 10 hours at moderate temperature (120 °C). The apparent activation energies for the hydrolysis of cellobiose and Avicel with CP-SO3H were approximately 78 and 83 kJ mol−1, respectively, which are much lower than those for the hydrolysis of cellobiose and cellulose with sulfuric acid (133 and 170 kJ mol−1, respectively) but higher than that with cellulase (3–50 kJ mol−1). Low activation energy allows the CP-SO3H-catalyzed hydrolysis to proceed at low temperature, which reduces energy consumption and avoids undesirable sugar degradation. The low activation energy of CP-SO3H might be attributed to its ability to adsorb/attract cellobiose and cellulose and to disrupt hydrogen bonds of cellulose.
Starting Page	6889
Ending Page	6894
Page Count	6
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	5
Issue Number	5
Journal	Energy & Environmental Science
DOI	10.1039/c2ee03373a
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Avicel Polystyrene Resin Cellulose Glucose Hydrolysis Cellobiose Acid Cellulase Activation energy Sucrose Hydrogen
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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