【摘 要】
：
Physicochemical characterization of bio-oil is unstable during the storage.Therefore it is necessary to find a stabilization strategy to retard the aging rate of bio-oil.The purpose of this paper is t
【机 构】
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Biomass Energy Engineering Research Centre,School of Agriculture and Biology,Shanghai Jiao Tong Univ
【出 处】
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The 4th International Conference on Biomass Energy Technolog
论文部分内容阅读
Physicochemical characterization of bio-oil is unstable during the storage.Therefore it is necessary to find a stabilization strategy to retard the aging rate of bio-oil.The purpose of this paper is to describe the aging evaluation of pine sawdust bio-oil for three months and elucidate the effect of different mass dosage of industrial alcohol additive(10%and 20%),additive combination(ethanol: 6.58%,acetonitrile: 1%,methyl acetate: 2.42%)and crude bio-oil(blank)on the physicochemical characterization of bio-oil by fast pyrolysis of 1-5 kg/h bench-scale fluidized bed reactor.During storage,the pH value,viscosity,water content(Karl-Fischer titration),density,heating value,GC-MS,NMR,and FTIR spectroscopies of bio-oils were tested.Results showed that compared to the blank,the final pH values and viscosity of the bio-oils with industrial alcohol addiction and additive combination were increased by 15%and 54%,respectively,while density and heating values were decreased during storage by 4%and 3%,respectively.The changes of water contents were not obvious.
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