山梨醇和甘露醇制备高碳烃液体燃料的研究  

Study on production of liquid hydrocarbon fuels from sorbitol and mannitol

作　　者：吕东灿[1] 袁帅[2] 赵仲麟[1] 袁超[1] 袁志华[3] 马斌强[1] 刘运权[4] 

机构地区：[1]河南农业大学理学院,河南郑州450002 [2]四川农业大学机电学院,四川雅安625014 [3]河南农业大学机电工程学院,河南郑州450002 [4]厦门大学能源学院,福建厦门361102

出　　处：《河南农业大学学报》2016年第2期209-213,共5页Journal of Henan Agricultural University

基　　金：国家自然科学基金项目(21276214)

摘　　要：在温和条件下研究了氢碘酸还原生物质基多元醇制备液体燃料的过程,使用气相色谱质谱仪(GC-MS)和红外光谱仪(FT-IR)分析了产物组成。结果表明,山梨醇和甘露醇为原料制备的液体产物中主要成分是C_(12)H_(16)、C_(12)H_(18)、C_(12)H_(20)、C_(12)H_(22)和C_(18)H_(26)等烃类物质。通过与碱的醇溶液反应将副产物碘代烷转化为烃,经旋转蒸发和减压蒸馏获得纯净的高碳烃产品。山梨醇、甘露醇以及二者混合物制备出的高碳烃的产率分别是81.1%、73.2%和77.3%。本研究获得的高碳烃产品是一种有前景的液体燃料,其含水量为0.1%,密度为0.83~0.84 g·mL^(-1),含氧量为2.0%~2.2%,热值均高于42 MJ·kg^(-1)。This paper describes the process of sorbitol and mannitol conversion to liquid heavier hydrocarbons via reduction with hydroiodic acid under mild reaction conditions. The compositions of the obtained products were analyzed using gas chromatography mass spectrometer（ GC-MS） and Fourier transform infrared spectrometer（ FT-IR）. It is found that the products obtained from C6 polyols were mainly C（12）H（16）,C（12）H（18）,C（12）H（20）,C（12）H（22） and C（18）H（26）. The yields of heavier hydrocarbons from sorbitol,mannitol,and the mixture of sorbitol and mannitol were 81. 1%,73. 2%,and 77. 3%,respectively.To obtain pure hydrocarbon fuels,the obtained crude oil was treated with potassium hydroxide in an alcohol solution followed by rotary evaporation and vacuum distillation. The final liquid hydrocarbons obtained have a water content of 0. 1%,densities of 0. 83 ~ 0. 84 g·mL^-1,oxygen content of 2. 0% ~2. 2%,and heating values 42 MJ·kg^-1 at room temperature,which is potentially a good transportation fuel for diesel replacement.

关 键 词：生物质 山梨醇 甘露醇 氢碘酸 高碳烃 

分 类 号：S216[农业科学—农业机械化工程] TK6[农业科学—农业工程]