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OALib Journal期刊
ISSN: 2333-9721
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comos/γ-al2o3催化剂对麻疯树油加氢处理的研究
, PP. 207-213
Keywords: 麻疯树油,comos/&gamma,-al2o3催化剂,器外预硫化,硫化度,加氢处理
Abstract:
？采用硫代硫酸铵器外预硫化制备comos/γ-al2o3催化剂,采用xrd、n2物理吸附、nh3-tpd、xrf等手段对催化剂进行表征,通过固定床微反装置研究其对麻疯树油加氢处理的性能。考察了硫化度、反应温度、氢气压力、反应时间对催化剂活性与催化产物分布的影响,并探讨了麻疯树油甘油三酯的反应路径。结果表明,硫化度为1的comos1/γ-al2o3催化剂活性最佳,在温度360℃、氢气压力3mpa条件下,对麻疯树油转化率为96.3%,产物主要成分c15~18正构烷烃收率为75.6%,比相同条件下非硫化como/γ-al2o3催化剂的转化率提高36.9%。反应温度升至420℃时,comos1/γ-al2o3催化剂对麻疯树油转化率达100%,产物中无含氧物。麻疯树油加氢处理过程中,增大硫化度和反应温度、减小氢气压力有利于甘油三酯发生加氢脱羧、脱羰反应。
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