玉米秸秆热解液体产物热值的测定

Heating value determination of liquid product from corn stalk pyrolysis

基于玉米秸秆热解液体产物不易直接被点燃的问题,提出了利用无水乙醇作为助燃剂诱发其燃烧,然后在量热仪上准确测定热值的新方法.实验表明,在该液体产物中加入20%左右的乙醇,可以确保检测样品被点燃.6次实验的平均结果表明:其高位热值为9 561kJ/kg,干基热值为17 383kJ/kg,相对标准偏差为1.42%,这些数据为生物油的应用研究提供了依据.

In order to ignite the liquids product successfully, ethanol was used as an auxiliary fuel for the heating value determination of liquid product obtained from corn stalk pyrolysis using calorimeter. Experiments showed that the liquid product can be ignited successfully when the mass of ethanol is morn than 20~ of the liquids product. Results of six experiments showed that the high heating value of this liquids product is 9561kJ/kg and the heating value of the dry basis is 17383kJ/kg. The relative standard deviation is 1.42%. The data is useful for the application of the bio-oil.