首页|Tandem hydroalkylation and deoxygenation of lignin-derived phenolics to synthesize high-density fuels
Tandem hydroalkylation and deoxygenation of lignin-derived phenolics to synthesize high-density fuels
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Lignin is the most abundant naturally phenolic biomass,and the synthesis of high-performance renewable fuel from lignin has attracted significant attention.We propose the efficient synthesis of high-density fuels using simulated lignin cracked oil in tandem with hydroalkylation and deoxygenation reactions.First,we investigated the reaction pathway for the hydroalkylation of phenol,which competes with the hydrodeoxygenation form cyclohexane.And then,we investigated the effects of metal catalyst types,the loading amount of metallic,acid dosage,and reactant ratio on the reaction results.The phenol hydroalkylation and hydrodeoxygenation were balanced when 180 ℃ and 5 MPa H2 with the alkanes yield of 95％.By extending the substrate to other lignin-derived phenolics and simulated lignin cracked oil,we obtained the polycyclic alkane fuel with high density of 0.918 g-ml-1 and calorific value of 41.2 MJ L-1.Besides,the fuel has good low-temperature properties(viscosity of 9.3 mm2.s-1 at 20 ℃ and freezing point below-55 ℃),which is expected to be used as jet fuel.This work provides a promising way for the easy and green production of high-density fuel directly from real lignin oil.
Rui Yu、Zhensheng Shen、Yanan Liu、Chengxiang Shi、Juncong Qu、Lun Pan、Zhenfeng Huang、Xiangwen Zhang、Ji-Jun Zou
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Key Laboratory for Green Chemical Technology of Ministry of Education,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China
Collaborative Innovative Center of Chemical Science and Engineering(Tianjin),Tianjin 300072,China
Haihe Laboratory of Sustainable Chemical Transformations,Tianjin 300192,China
National Key Research and Development Program of ChinaTianjin Science and Technology Plan ProjectHaihe Laboratory of Sustainable Chemical Transformations
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NSTL
万方数据
维普
