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木质素降解模型化合物愈创木酚及苯酚原位加氢制备环己醇

于玉肖 ,  徐莹 ,  王铁军 ,  马隆龙 ,  张琦 ,  张兴华 ,  张雪

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引用本文: 于玉肖, 徐莹, 王铁军, 马隆龙, 张琦, 张兴华, 张雪. 木质素降解模型化合物愈创木酚及苯酚原位加氢制备环己醇[J]. 燃料化学学报, 2013, 41(4): 443-448. shu
Citation:  YU Yu-xiao, XU Ying, WANG Tie-jun, MA Long-long, ZHANG Qi, ZHANG Xing-hua, ZHANG Xue. In-situ hydrogenation of lignin depolymerization model compounds to cyclohexanol[J]. Journal of Fuel Chemistry and Technology, 2013, 41(4): 443-448. shu

木质素降解模型化合物愈创木酚及苯酚原位加氢制备环己醇

    通讯作者: 王铁军, Tel: 020-87057751, E-mail: wangtj@ms.giec.ac.cn.
  • 基金项目:

    国家自然科学基金(51106108, 51106167) (51106108, 51106167)

    国家高技术研究发展计划(863计划, 2012AA051801). (863计划, 2012AA051801)

摘要: 以Raney Ni为催化剂,研究了甲醇水相重整制氢与木质素降解模型化合物愈创木酚／苯酚加氢的耦合反应.考察了反应前冷压、反应温度、反应时间、物料配比等条件对木质素降解模型化合物原位加氢反应性能的影响,并对影响机制进行了讨论.结果表明,在反应温度为220 ℃、反应前冷压0 MPa(表压)、物料比水／甲醇／模型化合物为20∶5∶0.8的条件下,反应7 h后愈创木酚转化率与环己醇选择性分别达99.00％和93.74％,反应12 h后苯酚的转化率与环己醇选择性分别达90.50％和99.29％.采用原位加氢反应,木质素降解的酚类模型化合物转化率和选择性明显优于外部供氢反应的转化率和选择性,同时,避免了外部供氢反应存在的氢气制备、储存、传输及加氢条件苛刻等问题,为木质素解聚产物制备化工品提供了新思路与实验基础.

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  • 收稿日期:  2012-11-13
  • 网络出版日期:  2013-01-19
通讯作者: 陈斌, bchen63@163.com
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