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题名: Synthesis of renewable high-density fuel with isophorone
作者: Wang, Wei1, 2;  Liu, Yanting2;  Li, Ning2, 3;  Li, Guangyi2;  Wang, Wentao2;  Wang, Aiqin2, 3;  Wang, Xiaodong2;  Zhang, Tao2, 3
刊名: SCIENTIFIC REPORTS
发表日期: 2017-07-21
DOI: 10.1038/s41598-017-06556-7
卷: 7
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Multidisciplinary Sciences
研究领域[WOS]: Science & Technology - Other Topics
英文摘要: 1,1,3-Trimethyl-5-(2,4,4-trimethylcyclohexyl) cyclohexane, a renewable high density fuel, was first produced in a high overall carbon yield (similar to 70%) with isophorone which can be derived from hemicellulose. The synthetic route used this work contains three steps. In the first step, 3,3,5-trimethylcyclohexanone was synthesized by the selective hydrogenation of isophorone. Among the investigated catalysts, the Pd/C exhibited the highest activity and selectivity. Over this catalyst, a high carbon yield (99.0%) of 3,3,5-trimethylcyclohexanone was achieved under mild conditions (298 K, 2 MPa H-2, 1 h). In the second step, 3,5,5-trimethyl-2-(3,3,5-trimethylcyclohexylidene) cyclohexanone was produced in a high carbon yield (76.4%) by the NaOH catalyzed self-aldol condensation of 3,3,5-trimethylcyclohexanone which was carried out in a round bottom flask attached to the Dean-Stark apparatus. In the third step, the 3,5,5-trimethyl-2-(3,3,5-trimethylcyclohexylidene) cyclohexanone was hydrodeoxygenated under solvent-free conditions. High carbon yield (93.4%) of 1,1,3-trimethyl-5-(2,4,4-trimethylcyclohexyl) cyclohexane was obtained over the Ni/SiO2 catalyst. The 1,1,3-trimethyl-5-(2,4,4-trimethylcyclohexyl) cyclohexane as obtained has a density of 0.858 g mL(-1) and a freezing point of 222.2 K. As a potential application, it can be blended into conventional fuels (such as RP-1, RG-1, etc.) for rocket propulsion.
关键词[WOS]: PD-B/GAMMA-AL2O3 AMORPHOUS CATALYST ;  SELECTIVE HYDROGENATION ;  CYCLIC-KETONES ;  WOODY BIOMASS ;  BIOFUEL ;  HYDRODEOXYGENATION ;  CONDENSATION ;  DIMERIZATION ;  ALDEHYDES ;  HYDROXYALKYLATION/ALKYLATION
语种: 英语
WOS记录号: WOS:000406285700019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/149800
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Shaanxi Univ Technol, Sch Chem & Environm Sci, Shaanxi Key Lab Catalysis, 1 Dongyihuan Rd, Hanzhong 723001, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, 457 Zhongshan Rd, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, iChEM Collaborat Innovat Ctr Chem Energy Mat, 457 Zhongshan Rd, Dalian 116023, Peoples R China

Recommended Citation:
Wang, Wei,Liu, Yanting,Li, Ning,et al. Synthesis of renewable high-density fuel with isophorone[J]. SCIENTIFIC REPORTS,2017,7.
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