微波辅助下CO_2/水蒸气联合重整CH_4  

Microwave-Assisted CH_4 Combined Reforming with CO_2 and Steam

作　　者：李龙之[1] 姜晓威[1] 王会刚[1] 宋占龙[2] 马春元[2] Li Longzhi;Jiang Xiaowei;Wang Huigang;Song Zhanlong;Ma Chunyuan(College of Mechanical and Electronic Engineering,Shandong University of Science and Technology,Qingdao 266590,China;National Engineering Laboratory for Coal Combustion Pollutants Reduction,Shandong University,Jinan 250061,China)

机构地区：[1]山东科技大学机械电子工程学院,青岛266590 [2]山东大学燃煤污染物减排国家工程实验室,济南250061

出　　处：《燃烧科学与技术》2017年第4期293-298,共6页Journal of Combustion Science and Technology

基　　金：山东省优秀中青年科学家科研奖励基金资助项目(BS2014NJ014);"十二五"国家科技支撑计划资助项目(2014BAC26B03-02)

摘　　要：在微波辐照生物半焦作用下,对CO_2/水蒸气联合重整CH_4开展实验研究,考查联合重整反应特性,讨论联合重整反应对合成气品质、生物炭损耗、表面特性和官能团的影响规律.结果表明,联合重整反应可以促进反应气转化,使得90,min反应时间内合成气的H_2/CO气体体积比平均值升至0.923,H_2/CO气体体积比值更接近1;与CH_4干重整反应相比,联合重整过程生物炭损耗问题更突出,90,min后生物炭余重率为93.18%,,但联合重整反应可以延迟生物炭表面特性的恶化;联合重整过程主要消耗内酯基和羰基官能团,其中消耗较多的内酯基推测是CH_4蒸汽重整所致.Experimental study on CH4combined reforming with CO2and steam was performed over biomass charby microwave heating.CH4combined reforming characteristic was studied,and effect of combined reforming onsyngas quality,weight loss,surface characteristic and functional groups was analyzed.The results show that reactantgases conversions increase in CH4combined reforming,and average gas volume ratio of H2/CO rises to0.923within90,min reaction time,closer to1.Compared with CH4dry reforming,biomass char weight loss ismore serious in CH4combined reforming,with the residual rate of93.18%,after90,min.The combined reformingreaction can delay the deterioration of biomass char surface characteristic.CH4combined reforming can consumelactone and carbonyl groups,and lactone depletion is likely due to CH4steam reforming.

关 键 词：重整 微波 二氧化碳 甲烷 合成气 

分 类 号：TQ13[化学工程—无机化工]