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萃取耦合化学转化法提质生物油油溶相的研究

秦菲 ,  崔洪友 ,  王传波 ,  王丽红 ,  易维明

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引用本文: 秦菲, 崔洪友, 王传波, 王丽红, 易维明. 萃取耦合化学转化法提质生物油油溶相的研究[J]. 燃料化学学报, 2014, 42(7): 805-812. shu
Citation:  QIN Fei, CUI Hong-you, WANG Chuan-bo, WANG Li-hong, YI Wei-ming. Upgrading the oil-soluble fraction of bio-oil by solvent extraction coupling with chemical conversion[J]. Journal of Fuel Chemistry and Technology, 2014, 42(7): 805-812. shu

萃取耦合化学转化法提质生物油油溶相的研究

    通讯作者: 崔洪友,Tel:13792153985,E-mail:cuihy@sdut.edu.cn;易维明,E-mail:yiweiming@sdut.edu.cn。; 崔洪友,Tel:13792153985,E-mail:cuihy@sdut.edu.cn;易维明,E-mail:yiweiming@sdut.edu.cn。
  • 基金项目:

    国家自然科学基金(51276103) (51276103)

    国家高技术研究发展计划(863计划,2012AA101808)。 (863计划,2012AA101808)

摘要: 采用萃取耦合化学转化技术对生物油油溶相进行了提质研究。将稻壳快速裂解油加入适宜水使其自然分为水溶相和油溶相。以正丁醇为萃取剂和转化剂,通过在线萃取将油溶相中的酸、醛、酮等可萃物不断萃取出来,再经酯化、缩醛化反应,转化为相应正丁醇的酯、缩醛和半缩醛等。与生物油直接酯化提质相比,萃取耦合化学转化法可以显著抑制提质过程中的结焦问题,降低了提质油相的含水量和酸值,提高了其热值和可挥发性。此外,还考察了油溶相预氧化和预还原对萃取耦合化学转化提质的影响。结果表明,预氧化后可将油溶相中的醛类转化为酸,再经酯化转化为稳定性好的酯类,提质后的油品水含量低于4%, 热值高于30 MJ/kg,酸值低于2 KOH mg/g,并且结焦率为零。

English

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  • 收稿日期:  2013-12-23
  • 网络出版日期:  2014-03-26
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