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Fabrication of fluoroalkylsilane/zeolitic imidazolate framework composites for highly efficient superhydrophobic coating

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Carbon Resources Conversion 2022年第1期5卷 26-34页

作者： Preyaphan Kheaw-in chanatip samart Narong Chanlek Phakkhananan Pakawanit Prasert Reubroycharoen Guoqing Guan Suwadee Kongparakul Suda Kiatkamjornwong Department of Chemistry Faculty of Science and TechnologyThammasat UniversityPathumthani 12120Thailand Bioenergy and Biochemical Refinery Technology Program Faculty of Science and TechnologyThammasat University12120Thailand Synchrotron Light Research Institute(Public Organization) 111 University AvenueMuang DistrictNakhon Ratchasima 30000Thailand Department of Chemical Technology Faculty of ScienceChulalongkorn University254 Phyathai RoadWangmaiPatumwanBangkok 10330Thailand Institute of Regional Innovation Hirosaki UniversityAomori 030-0813Japan Office of University Research Affairs Chulalongkorn University254 Phyathai RoadWangmaiPatumwanBangkok 10330Thailand FRST Academy of ScienceOffice of the Royal SocietySanam Suea PaKhet DusitBangkok 10300Thailand

Superhydrophobic bagasse paper was successfully engineered by facile spray coating with a zeolitic imidazolate framework composite modified by 3,3,3-trifluoropropyltrimethoxysilane(FAS)and used as a filter membrane with special wettability for oil/water *** characteristics such as surface morphology,surface moieties,roughness,and wettability were *** addition of FAS decreased the apparent surface energy between solid surfaces and liquids with a polar contribution of surface free energy as low as 0 mN m−*** formation of the FAS layer was confirmed by transmission electron microscopy and X-ray photoelectron spectroscopy core-level ***-dimensional surface topography revealed an increase in the spray coating cycle that enhanced the hydrophobicity of the coated *** results confirmed that not only microstructures but also the presence of functional groups with low surface energy(such as FAS)can promote surface *** spray-coated paper with FAS/ZIF in the presence of a small amount of nanocellulose provided a superhydrophobic surface after the first spray *** separation efficiency was up to 85%and was slightly affected by oil ***,this can be used as a filter membrane for water-in-oil *** the present work,simple spray-coated paper is a promising candidate material for gravity-driven oil/water separation and water repellent coating.

关键词： Superhydrophobic surface Spray-coating Zeolitic imidazolate framework Oil/water separation

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Glycerol valorization through production of di-glyceryl butyl ether with sulfonic acid functionalized KIT-6 catalyst

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Carbon Resources Conversion 2020年第1期3卷 182-189页

作者： Thi Tuong Vi Tran Maytinee Obpirompoo Suwadee Kongparakul Surachai Karnjanakom Prasert Reubroycharoen Guoqing Guan Narong Chanlek chanatip samart Department of Chemistry Faculty of Science and TechnologyThammasat UniversityPathumthani 12120Thailand Thammasat University Research Unit in Bioenergy and Catalysis(BCRU) Thammasat UniversityPathumtani 12120Thailand Department of Chemistry Faculty of ScienceRangsit UniversityPathumthani 12000Thailand Department of Chemical Technology Faculty of ScienceChulalongkorn UniversityBangkok 10330Thailand Institute of Regional Innovation Hirosaki UniversityAomori 030-0813Japan Synchrotron Light Research Institute(SLRI) 111 University AvenueMuang DistrictNakhon Ratchasima 30000Thailand

In this work,the etherification of glycerol with n-butanol catalyzed by sulfonic acid functionalized on KIT-6 mesoporous silica(SO_(3)H-KIT-6)was investigated for the production of valuable fuel *** SO_(3)H-KIT-6 catalyst was synthesized by co-condensation with different molar ratios of tetraethoxysilane and 3-mercaptopropyl(methyl)di-methoxy *** etherification reaction was systematically examined to determine the optimal reaction temperature,reaction time,catalyst loading,and glycerol to n-butanol ratio under autogenous *** maximum glycerol conversion and di-glyceryl n-butyl ether(di-GNBE)selectivity were 59.09 and 51.50%,respectively,when the SO_(3)H-KIT-6 catalyst with the highest acidity was ***,the presence of a methyl group on the catalyst surface prevented glycerol adsorption during the reaction process,leading to the inhibition of undesired product *** SO_(3)H-KIT-6 catalyst could be reused up to three times,with only a 13%decrease in glycerol conversion being ***,the superior performance of the SO_(3)H-KIT-6 catalyst for di-GNBE production was also demonstrated compared with conventional solid acid catalysts including HZSM-5,H-beta zeolite,Amberlyst-35,and Amberlyst-36.

关键词： Etherification Glycerol SO_(3)H-KIT-6 catalyst Valuable fuel additive di-GNBEs

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Utilization of fruit waste for H_(2)-rich syngas production via steam co-gasification with brown coal

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Carbon Resources Conversion 2023年第4期6卷 315-325页

作者： Aisikaer Anniwaer Nichaboon Chaihad Aghietyas Choirun Az Zahra Irwan Kurnia Yutaka Kasai Suwadee Kongparakul chanatip samart Katsuki Kusakabe Abuliti Abudula Guoqing Guan Graduate School of Science and Technology Hirosaki University1-BunkyochoHirosaki 036-8560Japan Energy Conversion Engineering Laboratory Institute of Regional InnovationHirosaki University3-BunkyochoHirosaki 036-8561Japan Industrial Research Institute Aomori Prefectural Industrial Technology Research Center4-11-6Daini-TonyamachiAomori 030-0113Japan Department of Chemistry Faculty of Science and TechnologyThammasat UniversityPathumtani 12120 Thailand Department of Nanoscience Sojo University4-22-1Nishi-kuKumamoto-shiKumamoto 860-0082Japan Department of Chemistry Faculty of Mathematics and Natural SciencesUniversitas PadjadjaranJl.Raya Bandung–Sumedang KM.21 JatinangorSumedang 45363Indonesia

In this work,to efficiently utilize waste fruit and low-rank coal for the hydrogen(H_(2))-rich syngas production,steam co-gasification of banana peel(BP)and brown coal(BC)was studied in a fixed-bed *** results showed that the gasification rate of BC was highly enhanced after mixing it with BP and the obvious synergistic effect was observed in all investigated three mixing weight ratios(i.e.,1:1,1:4,4:1),resulting in a higher carbon conversion as well as a H_(2)-rich gas production yield for the ***,the extent of promotion by synergistic effect was affected by the reaction temperature,mixing ratio,and steam *** was found that the high potassium(K)species content in the BP provided the catalytic effect not only on water-gas shift reaction but also on tar reforming/cracking,thereby enhancing the gasification of *** addition,it is confirmed that steam should be an important factor to promote the synergistic effect and H_(2)-rich gas production.

关键词： Steam co-gasification Waste banana peel Brown coal H2-rich syngas Synergistic effect

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COPYROLYSIS OF PVC WITH CATTLE MANURE TO FUEL OIL

COPYROLYSIS OF PVC WITH CATTLE MANURE TO FUEL OIL

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40th IUPAC Congress

作者： chanatip samart Apinya DUANGCHAN Department of Chemical Engineering Kasetsart UniversityLadyaoJatujakBangkokThailand10900 Department of Chemical Engineering Kasetsart UniversityLadyaoJatujakBangkokThailand10900

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Bio-syngas Converting to Liquid Fuels over Co Modified Fe3O4-MnO2 Catalysts

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Chinese Journal of Chemical Physics 2019年第6期32卷 721-726,I0003,I0016-I0024页

作者： Jie Wang Ying Xiang Yi-yuan Ding Yan-fei Xu Xiang-hui Kong Guang-yuan Ma chanatip samart Ming-yue Ding School of Power and Mechanical Engineering Hubei International Scienti c and Technological Cooperation Base of Sustainable Resource and EnergyHubei Province Key Laboratory of Accountrement Technique in Fluid Machinery&Power EngineeringWuhan UniversityWuhan 430072China Department of Chemistry Faculty of Science and TechnologyThammasat UniversityRangsit CampusKlongluangPathumtani 12120Thailand Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) Nankai UniversityTianjin 300071China

A bifunctional Co modified Fe3O4-Mn catalyst was prepared for Fischer-Tropsch synthesis (FTS). The influence of Co loading on the synergistic effect of Fe-Co as well as FTS performance over Fe1CoxMn1 catalysts was studied. Incorporation of Co species into the Fe3O4-Mn catalyst promoted the reduction of iron oxides, increasing iron active sites during FTS. Moreover, the adding of Co species enhanced the electron transfer from Fe to Co metal, which strengthened the synergistic effect of Fe-Co, improving the catalytic performance. The Fe1CoxMn1 catalyst with higher Co loading promoted further the hydrogenation ability, favoring the shifting of the product distribution towards shorter hydrocarbons. Under optimized conditions of 280℃, 2.0 MPa and 3000 h-1, the highest yield of liquid fuels was obtained for the Fe1Co1Mn1 catalyst.

关键词： Fischer-Tropsch Fe3O4-Mn Co loading Synergistic effect

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