油页岩有机质的逐级热溶解聚及产物特性

doi:10.11949/j.issn.0438-1157.20170351

化工学报 ›› 2017, Vol. 68 ›› Issue (10): 3943-3958.DOI: 10.11949/j.issn.0438-1157.20170351

油页岩有机质的逐级热溶解聚及产物特性

余智¹, 侯玉翠², 王倩¹, 刘青¹, 任树行¹, 吴卫泽¹

1 北京化工大学化学工程学院, 化工资源有效利用国家重点实验室, 北京 100029;
2 太原师范学院化学系, 山西太原 030031

收稿日期:2017-04-06 修回日期:2017-05-08 出版日期:2017-10-05 发布日期:2017-10-05
通讯作者: 吴卫泽,wzwu@mail.buct.edu.cn
基金资助:
国家重点基础研究发展计划项目（2014CB744301）。

Sequential thermal dissolution of Yilan oil shale organic matter and properties of products

YU Zhi¹, HOU Yucui², WANG Qian¹, LIU Qing¹, REN Shuhang¹, WU Weize¹

1 State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China;
2 Department of Chemistry, Taiyuan Normal University, Taiyuan 030031, Shanxi, China

Received:2017-04-06 Revised:2017-05-08 Online:2017-10-05 Published:2017-10-05
Supported by:
supported by the National Basic Research Program of China (2014CB744301).

摘要/Abstract

摘要：

依兰油页岩有机质经过四氢萘逐级热溶解聚，热溶解聚物分别经过GC-MS检测并归纳分类，并结合热溶解聚残渣的FT-IR和¹³C NMR分析结果，旨在从分子水平上揭示依兰油页岩有机分子结构特征。结果表明，依兰油页岩有机质经过200~400℃逐级热溶解聚后，200、300、350、375和400℃温度条件下逐级热溶解聚物的收率分别为8.8%、9.9%、18.5%、19.2%和23.4%，总收率达79.8%。在可溶性组分中，脂肪烃化合物占比为36.9%（其中直链烷烃27.4%，支链烷烃8.7%），酚/醇类占比为5.5%，芳香烃占比为32.0%，酮类占比为12.7%，醚/酯类占比为5.4%，其他化合物占比为7.5%。呈现脂肪烃>芳烃化合物>酮类>酚/醇>酯/醚的规律分布状态，其中27.4%直链烷烃中碳数分布在14~30并在C₁₆和C₂₆呈现两个峰值。

关键词: 燃料, 油页岩, 溶剂萃取, 逐级热溶, 解聚, 有机化合物, 结构

Abstract:

Yilan oil shale organic matter was depolymerized by sequential thermal dissolution in tetralin.The soluble portions (SP) were analyzed by GC-MS and classified into different components,and the residues were analyzed by FT-IR and ¹³C NMR.Based on the above information,Yilan oil shale organic molecular structure was revealed at a molecular level.The results indicated that Yilan oil shale organic matter could be depolymerized by sequential thermal dissolution from 200℃ to 400℃,the yields of soluble portions at 200,300,350,375 and 400℃ were 8.8%,9.9%,18.5%,19.2% and 23.4%,respectively,and the total yield was 79.8%.In the total soluble fraction,aliphatic hydrocarbon compounds accounted for more than 36.9%(including 27.4%n-alkanes and 8.7% branched alkanes),alcohols/phenol 5.5%,aromatic hydrocarbon 32.0%,ketones 12.7%,ether/ester 5.4%,and the other compounds 7.5%.The order of yield of compounds is as follow:aliphatic hydrocarbons > aromatic compounds > ketones > phenols > alcohols/esters.The identified n-alkanes in soluble portions have a distribution range from C₁₄ to C₃₀ with two maximum values at C₁₆ and C₂₆.

Key words: fuel, oil shale, solvent extraction, sequential thermal dissolution, depolymerization, organic compounds, structure

中图分类号:

TE662

余智, 侯玉翠, 王倩, 刘青, 任树行, 吴卫泽. 油页岩有机质的逐级热溶解聚及产物特性[J]. 化工学报, 2017, 68(10): 3943-3958.

YU Zhi, HOU Yucui, WANG Qian, LIU Qing, REN Shuhang, WU Weize. Sequential thermal dissolution of Yilan oil shale organic matter and properties of products[J]. CIESC Journal, 2017, 68(10): 3943-3958.

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油页岩有机质的逐级热溶解聚及产物特性

Sequential thermal dissolution of Yilan oil shale organic matter and properties of products

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