委内瑞拉减渣供氢热转化中沥青质结构变化研究

王齐 郭磊 王宗贤 刘贺 李红艳 沐宝泉 郭爱军

引用本文: 王齐, 郭磊, 王宗贤, 刘贺, 李红艳, 沐宝泉, 郭爱军. 委内瑞拉减渣供氢热转化中沥青质结构变化研究[J]. 燃料化学学报, 2013, 41(9): 1064-1069. shu
Citation:  WANG Qi, GUO Lei, WANG Zong-xian, LIU He, LI Hong-yan, MU Bao-quan, GUO Ai-jun. Structural changes of asphaltene in hydrogen donor visbreaking of Venezuelan vacuum residue[J]. Journal of Fuel Chemistry and Technology, 2013, 41(9): 1064-1069. shu

委内瑞拉减渣供氢热转化中沥青质结构变化研究

    通讯作者: 王宗贤, Tel: 0532-86981851, E-mail: zxwang@upc.edu.cn。
  • 基金项目:

    中央高校基本科研业务费专项资金(12CX06041A) (12CX06041A)

    中国石油天然气股份有限公司委内瑞拉超重油减黏基础研究(供氢热裂化)项目(W2008E-1502/2)。 (供氢热裂化)项目(W2008E-1502/2)

摘要: 以委内瑞拉减压渣油为原料,在高压反应釜内考察了反应温度425 ℃时不同反应时间下常规热转化与供氢热转化反应前后沥青质的平均相对分子质量、元素组成、氢类型分布及其平均结构参数变化。结果表明,与常规热转化相比,反应时间相同时,供氢热转化过程所得残渣油沥青质平均相对分子质量较低,S/C原子比较低,而H/C原子比及活泼性氢量较高。供氢剂能够在热转化过程中降低残渣油沥青质的芳碳率,提高其环烷碳率及环烷环与芳香环的比值,从而延缓其相分离及生焦过程。

English

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  • 收稿日期:  2013-03-02
  • 网络出版日期:  2013-05-06
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