DSC法测定生物质的比热  

Determination of specific heat of biomass by DSC

作　　者：钱柯贞[1] 王贤华[1] 杨海平[1] 王静[1] 张世红[1] 陈汉平[1] 

机构地区：[1]华中科技大学煤燃烧国家重点实验室,湖北武汉430074

出　　处：《可再生能源》2011年第6期156-159,共4页Renewable Energy Resources

基　　金：国家"973"项目(2007CB210202);国家自然科学基金项目(50930006与50906032)

摘　　要：将DSC技术应用于5种林业废弃物及低温热解焦炭的比热测定,通过分析标准样——刚玉(Al2O3)与生物质样品在升温过程中的吸热特性,可得到样品的比热,同时利用前人经验公式进行了对比分析。生物质样品的比热为1.55～1.62 J/(g.℃),焦炭的比热为0.83～0.99 J/(g.℃),与文献报道一致,这也证明了DSC测定生物质比热的可行性。DSC is used to measure the specific heat of five kinds of forestry wastes and pyrolysis char under low temperature.By analyzing the endothermic properties of standard sample-corundum （A1203） and biomass samples during the heating process, the specific heat of biomass was obtained, and compared with the results from previous empirical formula. The specific heat of biomass sampies and char sample, is 1.55-1.62 and 0.83-0.99 J/（g·℃） respectively,which are consistent with previous report, It is proved that DSC is viable to measure the specific heat of biomass.

关 键 词：生物质 比热 差热分析(DSC) 

分 类 号：TK6[动力工程及工程热物理—生物能] S216.2[农业科学—农业机械化工程]