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

YU Zhi; HOU Yucui; WANG Qian; LIU Qing; REN Shuhang; WU Weize

doi:10.11949/j.issn.0438-1157.20170351

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

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- Sequential thermal dissolution of Yilan oil shale organic matter and properties of products
- CIESC Journal Issue 10, Pages: 3943-3958(2017)
- 作者机构：
  
  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
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20170351
  CLC： E662
- Online First：05 October 2017，
  
  Published：05 October 2017
- 稿件说明：
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YU Zhi, HOU Yucui, WANG Qian, et al. Sequential thermal dissolution of Yilan oil shale organic matter and properties of products[J]. CIESC Journal, 2017, (10): 3943-3958.
DOI：

YU Zhi, HOU Yucui, WANG Qian, et al. Sequential thermal dissolution of Yilan oil shale organic matter and properties of products[J]. CIESC Journal, 2017, (10): 3943-3958. DOI： 10.11949/j.issn.0438-1157.20170351.

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。

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.

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