摘要
用共振搅拌反应器研究了钼酸胺催化剂对煤 油共处理中煤总转化率及产物的影响。研究表明,低温时(390℃),催化剂能促进前沥青烯向小分子苯可溶物转化;高温时(480℃),有催化剂时煤的转化率低于无催化剂时煤的转化率,而且在产物中苯可溶物产率与前沥青烯产率全部减少,说明产物发生了缩聚反应。在高温时(390℃)随反应时间的延长,煤转化率下降,同时在产物中苯可溶物产率与前沥青烯产率呈下降趋势。反应温度越高,反应时间越长,缩聚越严重。反应体系有供氢溶剂不能抑制缩聚反应。
The effects of Ammonium Molybdate catalyst were studied by using resonance agitation reactor during coprocessing Yangcun bituminous coal and Shengli residue with Tetralin as solvent under the hydrogen pressure of 70?MPa (ambient temperature) The results show that the catalyst not only increase coal conversion, but also promote convertion of preasphaltene benzene soluble products at low temperature (390?℃) Coal conversion, Benzene soluble product yield and preasphaltene yield is lower with catalyst than without catalyst at high temperature (480?℃) It means the catalyst can not resist the polycondension in the reaction system having hydrogen donor solvent at high temperature (480?℃) Polycondension reaction increases rapidly with the increasing of the reaction temperature and reaction time at high temperature
出处
《燃料化学学报》
EI
CAS
CSCD
北大核心
2003年第3期225-229,共5页
Journal of Fuel Chemistry and Technology
基金
山西省自然科学基金(991014)
关键词
煤-油共处理
催化剂
活性氢
缩聚反应
coal direct liquefaction
co-processing
catalyst
polycondension
active hydrogen
