详细信息
文献类型:期刊文献
中文题名:用热重分析法研究煤液化油的催化加氢
英文题名:APPLICATION OF TGA TO STUDIES OF HYDROGENATION OF COAL-DERIVED LIQUID
作者:宋学敏[1];傅红[1];陆善祥[1]
机构:[1]华东理工大学联合化学反应工程研究所
年份:1996
卷号:24
期号:3
起止页码:245
中文期刊名:燃料化学学报
外文期刊名:Journal of Fuel Chemistry and Technology
收录:CSTPCD;;Scopus;北大核心:【北大核心1992】;CSCD:【CSCD2011_2012】;
语种:中文
中文关键词:加氢;热重分析法;催化;煤液化油
外文关键词:coal-derived liquid,hydrogenation, thermogravimetric analysis, catalysis
摘要:本文用热重分析方法研究了煤液化油的催化加氢,系统地考察了热重分析的各种操作条件对煤液化油以及它与固体催化剂的混合样品的热重分析结果的影响,并建立了一套条件实验步骤。实验结果表明,当催化剂存在于样品中时,与不含催化剂时相比,煤液化油的失重在低于300℃时增大,而在大于300℃时减小;用H2作为载气时煤液化油的失重比用N2作为载气时大;催化剂的催化加氢性能与煤液化油的失重之间存在着定性的关联;催化加氢活性最高的催化剂表现出最大煤液化油失重。
Catalytic hydroprocessing of a coal-derived liquid(CDL) was studied using thermogravimetric analysis(TGA).Because of high sensitivity of the TGA instrument and complexity of the system studied.The strictly controlled operating conditions are essential to obtain reliable and comparable data,The effects of several operating parameters on TGA data of a CDL and of CDL-catalyst mixture samples were systematically investigated,and standardized experimental conditions were established.We found that when a catalyst was present,the weight loss of the CDL as a function of increasing temperature was increased at lower temperatures(<300℃) and decreased at higher temperature(>300℃) irrespective of whether the atmosphere was H2 or N2.On the other hand,a higher CDL weight loss and a lower temperature for the maximum CDL weight loss rate were observed when H2 was used as the carrier gas irrespective of whether a catalyst was present or not.Our preliminary results suggest that the catalyst most active for hydroprocessing of the CDL is the one exhibiting the greatest CDL weight loss.
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