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学科主题物理化学
Catalytic Hydrogenation of Corn Stalk to Ethylene Glycol and 1,2-Propylene Glycol
Pang, Jifeng; Zheng, Mingyuan; Wang, Aiqin; Zhang, Tao; Zhang T(张涛)
刊名INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
2011-06-01
ISSN待补充
DOI10.1021/ie102505y
50期:11页:6601-6608
收录类别SCI
文章类型Article
部门归属15
项目归属1501
产权排名1,1
WOS标题词Science & Technology ; Technology
类目[WOS]Engineering, Chemical
研究领域[WOS]Engineering
关键词[WOS]ENZYMATIC-HYDROLYSIS ; TRANSPORTATION FUELS ; CELLULOSE CONVERSION ; BIOMASS CONVERSION ; CARBIDE CATALYSTS ; IONIC LIQUID ; RICE STRAW ; LIGNIN ; PRETREATMENT ; HEMICELLULOSE
英文摘要Catalytic Hydrogenation of Corn Stalk to Ethylene Glycol and 1,2-Propylene Glycol; The use of whole lignocellulosic biomass as the feedstock for cellulose conversion is of great significance for large-scale, low-cost biomass conversion to biofuel and other useful chemicals. We recently achieved the direct conversion of cellulose (pure microcrystalline cellulose) into ethylene glycol at high yields over tungsten carbide catalysts. Here, corn stalk, an agricultural residue available in large quantities, was used as a lignocellulosic feedstock for conversion over nickel-promoted tungsten carbide catalysts under hydrothermal conditions and a hydrogen atmosphere. Nine different pretreatment methods were employed to convert the raw corn stalk to cellulosic feedstock with different chemical components and structures before the catalytic reaction. We found that corn stalks pretreated with 1,4-butanediol, NaOH, H(2)O(2), and ammonia produced much higher yields of ethylene glycol (EG) and 1,2-propylene glycol (1,2-PG) compared to raw corn stalks, whereas pretreatments with ethanol solution, hot water, hot limewater, and supercritical CO(2) just slightly improved the EG and 1,2-PG yields and corn stalk conversion. The hemicellulose in the corn stalk can be effectively converted to EG and 1,2-PG without hindering the cellulose conversion. In contrast, the lignin was resistant to degradation in the reaction and also inhibited EG and 1,2-PG production. The crystallinity of cellulose did not appear to have notable influence on the EG and 1,2-PG production. In view of the environmental benignity and low cost, pretreatment with ammonia and/or diluted H(2)O(2) solution might be a practical method for corn stalk conversion, after which the derived cellulosic feedstock is readily converted into EG and 1,2-PG at an overall yield of 48% in the reaction.
语种英语
WOS记录号WOS:000290843900011
引用统计
被引频次:62[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/115786
专题中国科学院大连化学物理研究所
通讯作者Zhang T(张涛)
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Pang, Jifeng,Zheng, Mingyuan,Wang, Aiqin,et al. Catalytic Hydrogenation of Corn Stalk to Ethylene Glycol and 1,2-Propylene Glycol[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2011,50(11):6601-6608.
APA Pang, Jifeng,Zheng, Mingyuan,Wang, Aiqin,Zhang, Tao,&张涛.(2011).Catalytic Hydrogenation of Corn Stalk to Ethylene Glycol and 1,2-Propylene Glycol.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,50(11),6601-6608.
MLA Pang, Jifeng,et al."Catalytic Hydrogenation of Corn Stalk to Ethylene Glycol and 1,2-Propylene Glycol".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 50.11(2011):6601-6608.
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