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ZnZr/HZSM-5 as efficient catalysts for alkylation of benzene with carbon dioxide

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 4,   Pages 404-414 doi: 10.1007/s11705-022-2215-6

Abstract: Alkylation of benzene with carbon dioxide and hydrogen to produce toluene and xylene could increase theadded-value of surplus benzene as well as relieve environmental problems like green-house effect.In this work, the alkylation benzene with carbon dioxide and hydrogen reaction was proceeded by usingThe equivalent of Zn/Zr = 1 displays the best catalytic performance at 425 °C and 3.0 MPa, and benzene

Keywords： carbon dioxide     alkylation of benzene     solid solution catalyst     bifunctional catalyst    

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Continuous reaction performances of benzene alkylation with long chain olefins catalyzed by ionic liquid

QIAO Congzhen, LI Chengyue

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 1,   Pages 69-73 doi: 10.1007/s11705-008-0014-3

Abstract: mixing-reacting-separating-recycling small experimental setup,the continuous reaction performances of benzenealkylation with long chain olefins catalyzed by [BMIM]Cl-AlCl ionic liquid were investigated.different axial positions along the static mixing reactor (reagent materials) and normal continuous alkylationThe refined industrial olefins as raw material could meet with the requirements of continuous alkylationThe influences of impurities such as di-olefins and non-benzene aromatics on the catalytic activity and

Keywords： stability     different     hypecritical     compulsive mixing-reacting-separating-recycling     non-benzene    

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Catalytic process modeling and sensitivity analysis of alkylation of benzene with ethanol over MIL-101

Ehsan Rahmani, Mohammad Rahmani

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1100-1111 doi: 10.1007/s11705-019-1891-3

Abstract: A solvothermal method was used to synthesize MIL-101(Fe) and MIL-88(Fe), which were used for alkylationof benzene.

Keywords： MOFs     alkylation     ethylbenzene     catalysts pellet model     kinetic model     sensitivity analysis    

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Benzene alkylation with long chain olefins catalyzed by ionic liquids: a review

QIAO Congzhen, CAI Yonghong, GUO Quanhui

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 346-352 doi: 10.1007/s11705-008-0045-9

Abstract: The introduction of ionic liquids to alkylation process gives a choice for “green production” in theof papers and patents have been published using chloroaluminate ionic liquid as a novel catalyst for alkylationAccording to published data and several results of pilot alkylation,including the authors’ experience

Keywords： different     petrochemical     characterization     introduction     chloroaluminate    

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Alkylation of benzene with propylene catalyzed by FeCl3-chloropyridine ionic liquid

SUN Xuewen, ZHAO Suoqi, LI Hui

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 3,   Pages 292-295 doi: 10.1007/s11705-007-0053-1

Abstract: Alkylation of benzene with propylene was carried out with FeCl3-chloro-butyl-pyridine (FeCl-[bpc]) ionicUnder 20ºC, 0.1 MPa, reaction time 5 min, mole ratio of benzene to propylene 10:1 and mass ratio of FeCl-[bpc] to benzene 1:100, conversion of propylene can increase from 83.60% to 100.00% and selectivityAt the initial stage of the reaction, alkylation is the main reaction and a higher conversion of propylene
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Alkylation of benzene with carbon dioxide to low-carbon aromatic hydrocarbons over bifunctional Zn-Ti

Xiangyu Liu, Yanling Pan, Peng Zhang, Yilin Wang, Guohao Xu, Zhaojie Su, Xuedong Zhu, Fan Yang

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 384-396 doi: 10.1007/s11705-021-2045-y

Abstract: Alkylation of benzene to value-added, high octane number and low toxic toluene and xylenes provides away to lower benzene content in gasoline pool, and is hence a method to promote fuel quality.Utilization of CO as a carbon source for benzene alkylation could achieve both goals.Herein, alkylation of benzene with CO and H was realized by a series of low-cost bifunctional catalystsCO was transformed into methanol firstly, and then methanol reacted with benzene generating toluene

Keywords： carbon dioxide     benzene     alkylation     bifunctional catalyst     mechanism    

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Hierarchical ZSM-5 zeolite with radial mesopores: Preparation, formation mechanism and application for benzenealkylation

Darui Wang, Hongmin Sun, Wei Liu, Zhenhao Shen, Weimin Yang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 248-257 doi: 10.1007/s11705-019-1853-9

Abstract: possesses more accessible acid sites and has a higher catalytic activity and a longer lifetime for the alkylationof benzene.

Keywords： hierarchical ZSM-5 zeolite     protective desilication     piperidine     radial mesopores     benzene alkylation    

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DNA alkylation promoted by an electron-rich quinone methide intermediate

Chengyun Huang,Steven E. Rokita

Frontiers of Chemical Science and Engineering 2016, Volume 10, Issue 2,   Pages 213-221 doi: 10.1007/s11705-015-1541-3

Abstract: methides have previously been limited by the slow exchange of their covalent self-adducts and subsequent alkylationprecursor and a 5'-aminohexyloligonucleotide accelerates formation of its reversible self-adduct and alkylation

Keywords： quione methide     DNA alkylation     reversible covalent reaction     bioconjugation     target-directed modification    

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Numerical simulation of benzene transport in shoreline groundwater affected by tides under different

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1540-9

Abstract:

● An approach for assessing the transport of benzene on the beach

Keywords： Numerical simulation     Benzene     Transport and fate     Shoreline     Groundwater     Tide    

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Adsorption of benzene and toluene from waste gas using activated carbon activated by ZnCl

Leila KARIMNEZHAD,Mohammad HAGHIGHI,Esmaeil FATEHIFAR

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 835-844 doi: 10.1007/s11783-014-0695-4

Abstract: The performance of the synthesized carbons evaluated in adsorption of benzene and toluene from wasteExperimental results for benzene and toluene adsorption showed a high potential of employing synthesized

Keywords： Chemical activation     activated carbon     textural characterization     adsorption     benzene     toluene    

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Soot size distribution in lightly sooting premixed flames of benzene and toluene

Wang LIU, Jiaqi ZHAI, Baiyang LIN, He LIN, Dong HAN

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 18-26 doi: 10.1007/s11708-020-0663-6

Abstract: The evolution of particle size distribution function (PSDF) of soot in premixed flames of benzene andIt was observed that soot nucleation and particle growth in the benzene flame were stronger than thoseflame showed a larger particle size distribution range and a higher particle volume fraction than the benzene

Keywords： premixed flame     soot     particle size distribution function     benzene     toluene    

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Octane compositions in sulfuric acid catalyzed isobutane/butene alkylation products: experimental and

Lina Liang, Youzhi Liu, Weizhou Jiao, Qiaoling Zhang, Chao Zhang

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1229-1242 doi: 10.1007/s11705-020-2030-x

Abstract: Octanes in alkylation products obtained from industrial alkylation were studied by batch experiments.carbenium ion mechanism, the carbocation transition states in concentrated sulfuric acid catalyzed alkylationCalculation results indicated that composition and content of trimethylpentanes in the alkylation productsmodels developed in this work will be useful for understanding the product distributions of octane in alkylation

Keywords： sulfuric acid catalyzed alkylation     carbocation reaction     transition state     octane compositions    

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salts with highly electronegative cations as efficient catalysts for the liquid-phase nitration of benzene

Shenghui Zhou, Kuiyi You, Zhengming Yi, Pingle Liu, Hean Luo

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 2,   Pages 205-210 doi: 10.1007/s11705-017-1625-3

Abstract: highly electronegative cations have been used to effectively catalyze the liquid-phase nitration of benzeneThe benzene conversion and selectivity to nitrobenzene were both over 99%.

Keywords： metal salts     electronegativity     nitrobenzene     NO2     catalytic nitration    

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Association of the genetic polymorphism of EPHX1 and EPHX2 with the susceptibility to chronic benzene

SUN Pin, ZHANG Zhongbin, WU Fen, WAN Junxiang, JIN Xibeng, XIA Zhaolin

Frontiers of Medicine 2007, Volume 1, Issue 3,   Pages 320-326 doi: 10.1007/s11684-007-0062-y

Abstract: was to explore the association of the genetic polymorphism of and with the susceptibility to chronic benzenewith CBP and 268 healthy workers matched by age and sex, all of whom were occupationally exposed to benzene

Keywords： case-control     rs2854451     regression analysis     haplotype     further research    

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A Novel Benzene Hydrogenation Reactor

A.m.anter,Cheng Zhenmin,Xiao Qiong,Hu Jinsong,Yuan Weikang

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 59-63

Abstract: cyclohexane is used to remove the heat of reaction in a novel phase transition reactor for hydrogenation of benzeneThe experimental results show that the conversion of benzene is over than 99.99% and the yield of cyclohexane

A mixture of benzene (accounting for 15%〜25%) and cyclohexane is used as feed to prevent the

Keywords： phase transition reactor     benzene     hydrogenation     cyclohexane    

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Title Author Date Type Operation

ZnZr/HZSM-5 as efficient catalysts for alkylation of benzene with carbon dioxide

Journal Article

Continuous reaction performances of benzene alkylation with long chain olefins catalyzed by ionic liquid

QIAO Congzhen, LI Chengyue

Journal Article

Catalytic process modeling and sensitivity analysis of alkylation of benzene with ethanol over MIL-101

Ehsan Rahmani, Mohammad Rahmani

Journal Article

Benzene alkylation with long chain olefins catalyzed by ionic liquids: a review

QIAO Congzhen, CAI Yonghong, GUO Quanhui

Journal Article

Alkylation of benzene with propylene catalyzed by FeCl3-chloropyridine ionic liquid

SUN Xuewen, ZHAO Suoqi, LI Hui

Journal Article

Alkylation of benzene with carbon dioxide to low-carbon aromatic hydrocarbons over bifunctional Zn-Ti

Xiangyu Liu, Yanling Pan, Peng Zhang, Yilin Wang, Guohao Xu, Zhaojie Su, Xuedong Zhu, Fan Yang

Journal Article

Hierarchical ZSM-5 zeolite with radial mesopores: Preparation, formation mechanism and application for benzenealkylation

Darui Wang, Hongmin Sun, Wei Liu, Zhenhao Shen, Weimin Yang

Journal Article

DNA alkylation promoted by an electron-rich quinone methide intermediate

Chengyun Huang,Steven E. Rokita

Journal Article

Numerical simulation of benzene transport in shoreline groundwater affected by tides under different

Journal Article

Adsorption of benzene and toluene from waste gas using activated carbon activated by ZnCl

Leila KARIMNEZHAD,Mohammad HAGHIGHI,Esmaeil FATEHIFAR

Journal Article

Soot size distribution in lightly sooting premixed flames of benzene and toluene

Wang LIU, Jiaqi ZHAI, Baiyang LIN, He LIN, Dong HAN

Journal Article

Octane compositions in sulfuric acid catalyzed isobutane/butene alkylation products: experimental and

Lina Liang, Youzhi Liu, Weizhou Jiao, Qiaoling Zhang, Chao Zhang

Journal Article

salts with highly electronegative cations as efficient catalysts for the liquid-phase nitration of benzene

Shenghui Zhou, Kuiyi You, Zhengming Yi, Pingle Liu, Hean Luo

Journal Article

Association of the genetic polymorphism of EPHX1 and EPHX2 with the susceptibility to chronic benzene

SUN Pin, ZHANG Zhongbin, WU Fen, WAN Junxiang, JIN Xibeng, XIA Zhaolin

Journal Article

A Novel Benzene Hydrogenation Reactor

A.m.anter,Cheng Zhenmin,Xiao Qiong,Hu Jinsong,Yuan Weikang

Journal Article