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OALib Journal期刊
ISSN: 2333-9721
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沥青质含量对渣油加氢转化残渣油收率和性质的影响
, PP. 545-549
Keywords: 塔河常渣,沥青质,加氢转化,残渣油,性质
Abstract:
？以塔河常渣脱沥青油掺兑不同含量的沥青质为原料,于高压釜反应器内进行加氢转化反应实验,考察沥青质含量对渣油加氢转化残渣油收率和性质的影响。研究结果表明,随原料中沥青质含量的增加,加氢残渣油的收率逐渐降低,加氢残渣油中的沥青质和焦炭产量之和与原料中沥青质含量的比值逐渐减小,在实验选定的条件下,高沥青质含量时沥青质更倾向于发生氢解反应生成小分子组分。与原料相比,反应后所得>350℃残渣油的平均相对分子质量、h/c摩尔比减小,密度增大,硫含量降低,氮含量增加,饱和分和沥青质含量增加,芳香分及胶质含量降低。随渣油中沥青质含量的增加,硫、氮脱除率先增加后降低。
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