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学科主题: 有机化学工程
题名: Efficient Catalytic Conversion of Carbohydrates into 5-Hydroxymethyl furfural by ‘Greener’ Solid Acids in Ionic Liquids
作者: Xie HB(谢海波) ;  Zhang ZH(张泽会) ;  Dong K(董坤) ;  Zhao ZB(赵宗保)
会议文集: Abstract Book
会议名称: International conference on clean energy science
会议日期: 2011-4-10
出版日期: 2011
会议地点: 大连
通讯作者: 谢海波 ;  赵宗保
出版者: 待补充
出版地: 待补充
合作性质: 墙报
部门归属: 1816
主办者: 大连化物所
摘要: Increasing concerns about global warming and diminishing fossil fuel reserves have stimulated much effort to use (ligno)cellulose as an alternative to petroleum for the production of fuels and chemicals. The dissolution of (ligno)cellulose in ILs resulted in a full release of all the functional groups and bonds from the well-organized strong hydrogen bonding matrix, which have paved an environment-friendly and homogenous manner to use (ligno)cellulose.[1] Our previous works have demostrated that mineral acids (e.g. HCl, H2SO4) are effiecient catalysts for the hydrolysis of cellulose and lignocellulose in ILs, and the TRS yields were up to 66%, 74%, 81% and 68% for hydrolysis of corn stalk, rice straw, pine wood and bagasse, respectively; CrCl3 can promoted the production of HMF in ca. 60% and 90% isolated yields from cellulose and glucose, respectively, in ILs under microwave irradiation.[2] Recently, novel “greener’ Lewis acids, and solid acids have been screened and developed in our laborary for the catalytic conversion of carbohydrates. For example, GeCl4 is a very efficient catalyst for the dehydration of carbohydrates (e.g. Fructose, glucose, cellulose) into 5-hydroxymethylfurfural, with good yields ranging from 30% to 92% under mild conditions. Especially, a HMF yield of 92% was achieved in 5 mins in the case of fructose. Lignosulfuric acid is a by-product of industrial pulp paper making process, and we demostrated that it is a good solid catalyst for the conversion of fructose into HMF with a 90% yield in ILs.[3] In a word, novel Lewis acids and solid acids have been sreened and deveoped for the conversion of carbohydrates into valuable chemicals and biofuels. The application of ‘greener’ catalysts in combination of using ionic liquids as solvents for biomass conversion will lead to a more sustainable and efficient biorefinery.
英文摘要: Increasing concerns about global warming and diminishing fossil fuel reserves have stimulated much effort to use (ligno)cellulose as an alternative to petroleum for the production of fuels and chemicals. The dissolution of (ligno)cellulose in ILs resulted in a full release of all the functional groups and bonds from the well-organized strong hydrogen bonding matrix, which have paved an environment-friendly and homogenous manner to use (ligno)cellulose.[1] Our previous works have demostrated that mineral acids (e.g. HCl, H2SO4) are effiecient catalysts for the hydrolysis of cellulose and lignocellulose in ILs, and the TRS yields were up to 66%, 74%, 81% and 68% for hydrolysis of corn stalk, rice straw, pine wood and bagasse, respectively; CrCl3 can promoted the production of HMF in ca. 60% and 90% isolated yields from cellulose and glucose, respectively, in ILs under microwave irradiation.[2] Recently, novel “greener’ Lewis acids, and solid acids have been screened and developed in our laborary for the catalytic conversion of carbohydrates. For example, GeCl4 is a very efficient catalyst for the dehydration of carbohydrates (e.g. Fructose, glucose, cellulose) into 5-hydroxymethylfurfural, with good yields ranging from 30% to 92% under mild conditions. Especially, a HMF yield of 92% was achieved in 5 mins in the case of fructose. Lignosulfuric acid is a by-product of industrial pulp paper making process, and we demostrated that it is a good solid catalyst for the conversion of fructose into HMF with a 90% yield in ILs.[3] In a word, novel Lewis acids and solid acids have been sreened and deveoped for the conversion of carbohydrates into valuable chemicals and biofuels. The application of ‘greener’ catalysts in combination of using ionic liquids as solvents for biomass conversion will lead to a more sustainable and efficient biorefinery.
语种: 英语
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/116044
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Xie HB,Zhang ZH,Dong K,et al. Efficient Catalytic Conversion of Carbohydrates into 5-Hydroxymethyl furfural by ‘Greener’ Solid Acids in Ionic Liquids[C]. 见:International conference on clean energy science. 大连. 2011-4-10.
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