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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.Based on a classic carbenium ion mechanism, the carbocation transition states in concentrated sulfuricacid catalyzed alkylation were investigated using quantum-chemical simulations and predicted the concentrationCalculation 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    

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    

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 benzene alkylationwith 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 alkylation

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

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]) ionicAt the initial stage of the reaction, alkylation is the main reaction and a higher conversion of propylene

Comparison of prechilling stratification and sulfuric acid scarification on seed germination of

Nan WANG, Jing GAO, Suiqi ZHANG, Feng YAN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 2,   Pages 220-227 doi: 10.15302/J-FASE-2017146

Abstract: To determine if prechilling stratification (PCS) and sulfuric acid scarification (SAS) can optimize establishment

Keywords: base water potential     data analysis method     embryo growth     germination    

Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 781-791 doi: 10.1007/s11709-022-0862-9

Abstract: After 7, 28, and 90 d of immersion in a 10% sulfuric acid solution, the resistance of a geopolymer matrixNo reduction in weight of sample occurred after immersion in the strong acid H2SO4sulfuricacid.

Keywords: durability of concrete     sodium hydroxide     sodium silicates     reduction in CO2 emissions     sulfuricacid    

Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 186-190 doi: 10.1007/s11705-008-0035-y

Abstract: SO/ZrO solid super-acid catalysts (SZ) doped with Ni or Sn (Ni/SZ, Sn/SZ) were prepared for catalytic

Keywords: thermolysis     Shengli     asphaltene     SO/ZrO     presence    

Green Integrated Process for the Production of Compound Phosphate Fertilizer

Feng Yisheng

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 58-62

Abstract: effective utilization of sulphur resources is achieved by employing phosphorus gypsum to make sulphuric acid

Keywords: compound phosphate fertilizer     phosphoretted gypsum     sulfuric acid     cement    

One-pot three-component Mannich reaction catalyzed by sucrose char sulfonic acid

Qiong XU, Zhigao YANG, Dulin YIN, Jihui WANG

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 201-205 doi: 10.1007/s11705-009-0052-5

Abstract: Sucrose char sulfonic acid efficiently catalyzed the one-pot three-component Mannich reaction of ketones

Keywords: One–pot synthesis     b-amino ketone     char sulfonic acid     2-acetylpyrazine     catalysis    

One-step synthesis of

Kuiyi YOU, Fangfang ZHAO, Xueyan LONG, Pingle LIU, Qiuhong AI, Hean LUO

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 4,   Pages 389-394 doi: 10.1007/s11705-012-1218-0

Abstract: approach for the synthesis of -caprolactam via the liquid phase nitrosation of cyclohexane and nitrosyl sulfuricacid in the presence of concentrated sulfuric acid has been developed.the composites were then employed to catalyze the nitrosation reaction of cyclohexane and nitrosyl sulfuricacid.Compared to the reaction using fuming sulfuric acid, the selectivity for the desired product was significantly

Keywords: -caprolactam     AlVPO composite catalysts     one-step synthesis     concentrated sulfuric acid    

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    

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 theIn this work, the alkylation benzene with carbon dioxide and hydrogen reaction was proceeded by using

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

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 alkylation

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

Stability analysis of alkaline nitrobenzene-containing wastewater by a catalyzed Fe-Cu treatment process

FAN Jinhong, XU Wenying, GAO Tingyao, MA Luming

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 504-508 doi: 10.1007/s11783-007-0081-6

Abstract: Iron and copper bimetallic system (catalyzed Fe-Cu process) is a promising technology for alkaline nitrobenzene-containing

Keywords: technology     bimetallic     catalyzed     nitrobenzene-containing wastewater     efficiency    

Lipase-Catalyzed Synthesis of Sn-2 Palmitate: A Review Review

Wei Wei, Cong Sun, Xiaosan Wang, Qingzhe Jin, Xuebing Xu, Casimir C. Akoh, Xingguo Wang

Engineering 2020, Volume 6, Issue 4,   Pages 406-414 doi: 10.1016/j.eng.2020.02.008

Abstract: HMF is highly enriched in palmitic acid (PA) at the sn-2 position of the glycerol backbone (In this review, the development of the lipase-catalyzed synthesis of sn-2 palmitate over theProspects for the lipase-catalyzed synthesis of sn-2 palmitate are discussed.

Keywords: Structured triacylglycerols,Palmitic acid,Human milk fat substitutes,Lipase-catalyzed reaction,Sn<    

Title Author Date Type Operation

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

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

Journal Article

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

QIAO Congzhen, CAI Yonghong, GUO Quanhui

Journal Article

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

QIAO Congzhen, LI Chengyue

Journal Article

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

SUN Xuewen, ZHAO Suoqi, LI Hui

Journal Article

Comparison of prechilling stratification and sulfuric acid scarification on seed germination of

Nan WANG, Jing GAO, Suiqi ZHANG, Feng YAN

Journal Article

Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Journal Article

Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

Journal Article

Green Integrated Process for the Production of Compound Phosphate Fertilizer

Feng Yisheng

Journal Article

One-pot three-component Mannich reaction catalyzed by sucrose char sulfonic acid

Qiong XU, Zhigao YANG, Dulin YIN, Jihui WANG

Journal Article

One-step synthesis of

Kuiyi YOU, Fangfang ZHAO, Xueyan LONG, Pingle LIU, Qiuhong AI, Hean LUO

Journal Article

DNA alkylation promoted by an electron-rich quinone methide intermediate

Chengyun Huang,Steven E. Rokita

Journal Article

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

Journal Article

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

Ehsan Rahmani, Mohammad Rahmani

Journal Article

Stability analysis of alkaline nitrobenzene-containing wastewater by a catalyzed Fe-Cu treatment process

FAN Jinhong, XU Wenying, GAO Tingyao, MA Luming

Journal Article

Lipase-Catalyzed Synthesis of Sn-2 Palmitate: A Review

Wei Wei, Cong Sun, Xiaosan Wang, Qingzhe Jin, Xuebing Xu, Casimir C. Akoh, Xingguo Wang

Journal Article