期刊
BIORESOURCE TECHNOLOGY
卷 173, 期 -, 页码 462-466出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.09.148
关键词
Corn stalk; Ionic liquid; 5-Hydroxymethylfurfural; Hydrothermal carbonization; Green chemistry
资金
- Central Public Research Institutes Basic Funds for Research and Development (Agro-Environmental Protection Institute, Ministry of Agriculture) [2014-ssjj-qxh-10]
- Natural Science Foundation of Tianjin [12JCYBJC13000]
- Program for New Century Excellent Talents in University [NCET-13-0304]
- National Natural Science Foundation of China [21350110210]
A carbonaceous solid acid was prepared by hydrothermal carbonization of corn stalk followed by sulfonation and was characterized by FT-IR, XRD, SEM and elemental analysis techniques. The as-prepared corn stalk-derived carbonaceous solid acid catalyst contained -SO3H, -COOH, and phenolic -OH groups, and was used for the one-step conversion of intact corn stalk to 5-hydroxymethylfurfural (5-HMF) in the ionic liquid 1-butyl-3-methyl imidazolium chloride ([BMIM][Cl]), where a 5-HMF yield of 44.1% was achieved at 150 degrees C in 30 min reaction time. The catalytic system was applicable to initial corn stalk concentration of up to ca. 10 wt.% for the production of 5-HMF. The synthesized catalyst and the developed process of using corn stalk-derived carbon catalyst for corn stalk conversion provide a green and efficient strategy for crude biomass utilization. (c) 2014 Elsevier Ltd. All rights reserved.
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