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Transactions of Tianjin University 2024年第4期30卷 359-368页

作者： Zhaohui Meng Ying Liao Ling Liu Yaqian Li Hao Yan Xiang Feng Xiaobo Chen Yibin Liu Chaohe Yang SINOPEC Dalian research {1. of petroleum and petrochemicals Co. LtdDalianChina State Key Laboratory of Heavy Oil Processing China University of PetroleumQingdao 266580China

Improving the efficiency of metal/reducible metal oxide interfacial sites for hydrogenation reactions of unsaturated groups(e.g.,C=C and C=O)is a promising yet challenging *** our study,we developed a Pd/CeO_(2) catalyst by enhancing the oxygen vacancy(O V)concentration in CeO_(2) through high-temperature *** process led to the formation of an interface structure ideal for supporting the hydrogenation of methyl oleate to methyl *** cally,metal Pd^(0) atoms bonded to the O V in defective CeO_(2) formed Pd^(0)-O v-Ce^(3+)interfacial sites,enabling strong electron transfer from CeO_(2) to *** interfacial sites exhibit a synergistic adsorption eff ect on the reaction ***^(0) sites promote the adsorption and activation of C=C bonds,while O V preferably adsorbs C=O bonds,mitigating competition with C=C bonds for Pd^(0) adsorption *** synergy ensures rapid C=C bond activation and accelerates the attack of active H*species on the semi-hydrogenated *** a result,our Pd/CeO_(2)-500 catalyst,enriched with Pd^(0)-O v-Ce^(3+)interfacial sites,dem-onstrated excellent hydrogenation activity at just 30℃.The catalyst achieved a Cis-C1.:1.conversion rate of 99.8% and a methyl stearate formation rate of 5.7 mol/(h·g metal).This work revealed the interfacial sites for enhanced hydrogenation reactions and provided ideas for designing highly active hydrogenation catalysts.

关键词： Hydrogenation Interfacial sites Oxygen vacancy C=C bond

Propane dehydro-aromatization reaction over PtFe@S-1.coupling with Zn/ZSM-5 tandem catalysts: the role of Zn species

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Frontiers of Chemical Science and Engineering 2024年第8期18卷 25-35页

作者： Kai Bian Sirui Liu Huahua Fan Guanghui Zhang Xinwei Zhang Gideon Abaidoo Ocran Mingrui Wang Quanjie Liu Xiaowa Nie Shuandi Hou Xinwen Guo Sinopec Dalian research {1. of petroleum and petrochemicals Dalian 116045China State Key Laboratory of Fine Chemicals Frontier Science Center for Smart MaterialsPSU-DUT Joint Center for Energy ResearchSchool of Chemical EngineeringDalian University of TechnologyDalian 116024China

Unraveling the structure-activity relationship and improving the catalytic performance is paramount in propane dehydro-aromatization reactions. Herein, a tandem catalyst with high propane dehydro-aromatization reaction performance was prepared via coupling the PtFe@S-1.with Zn/ZSM-5 zeolites (PtFe@S-1.1.0Zn/ZSM-5), which exhibits high dehydrogenation activity, aromatics selectivity (~60% at ~78% propane conversion), and stability. The addition of zinc inhibits the cleavage of C_(6)^(=) intermediates on ZSM-5 and promotes the aromatization pathway by weakening zeolite acid strength, significantly improving the selectivity to aromatics. This understanding of the structure-activity relationship in propane dehydro-aromatization reaction helps develop future high-performance catalysts.

关键词： propane dehydro-aromatization reaction tandem catalysts the structure-activity relationship of zinc species

Large pore volume mesoporous aluminum oxide synthesized via nano-assembly

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Science China Chemistry 2009年第12期52卷 2114-2124页

作者： WANG DingCong fushun {1. institute of petroleum and petrochemicals,China petroleum and Chemical Corporation (SINOPEC),fushun 1.3001.China 1. fushun research institute of petroleum and petrochemicals China Petroleum and Chemical Corporation (SINOPEC) Fushun 113001 China

A new nano-assembly approach has been proposed for the preparation of macropore volume mesoporous aluminum oxide supports. Secondary nano-assembly and a frame structure mechanism for large pore volume mesoporous supports have been proposed. In a primary nano-assembly supersoluble micelle,aluminum hydroxide nanoparticles were precipitated in situ in surfactants with a volume balance (VB) less than 1.followed by secondary nano-assembly in linear and cylindrical shapes. The secondary nano-assembly of cylindrical aluminum hydroxides was calcined to form nano cylindrical aluminum oxides. For the formation of macropore volume mesoporous supports,we utilized a frame structure mechanism of mesoporous support,in which the exterior surface of the carrier may not be continuous. This macropore volume support has been used for the hydrotreatment of a residual oil catalyst,which possesses the following physical characteristics:pore volume 1.8―2.7 mL·g-1.specific surface area 1.0―429 m2·g-1.average pore diameter 1.―57 nm,average pore diameter more than 1. nm (81.―94%),porosity 87%―93%,and crush strength 7.7―25 N·mm-1.

关键词： pore volume mesopore aluminum oxide nano-assembly supersolubility pore size porosity

In-situ synthesis of nanoparticles via supersolubilizing micelle self-assembly

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Science China Chemistry 2007年第1期50卷 105-113页

作者： WANG DingCong fushun {1. institute of petroleum&petrochemicals,China petroleum&Chemical Corporation(SINOPEC),fushun 1.3001. China(email:wangdingcong@***) 1. fushun {1. institute of petroleum & petrochemicals China Petroleum & Chemical Corporation (SINOPEC) Fushun 113001 China

In-situ synthesis of nano-particles using the self-assembly of molten salt and super soluble micellae was proposed based on a phenomenon of super solubilization of molten salt in reverse micellae and its self-assembly when the concentration reached up to 95%(w/w).The mechanism of the self-assembly indicates that the self-assembly of molten salt occurs in a reverse micelle where a homogenous phase is established between 5%(w/w)of a surfactant with a VB value of less than 1.and a hydrocarbon spe- *** synthesis has some unique features,such as being free of water,highly effective deposition and narrow distribution of particle size.

关键词： molten salt self-assembly supersolubilization in-situ synthesis nanoparticle

Acetic acid-and furfural-based adaptive evolution of Saccharomyces cerevisiae strains for improving stress tolerance and lignocellulosic ethanol production

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Chinese Journal of Chemical Engineering 2024年第8期72卷 26-33页

作者： Omama Rehman Youduo Wu Quan Zhang Jin Guo Cuihuan Sun Huipeng Gao Yaqing Xu Rui Xu Ayesha Shahid Chuang Xue State Key Laboratory of Fine Chemicals Frontiers Science Centre for Smart Materials Oriented Chemical EngineeringEngineering Research Center of Application and Transformation for Synthetic BiologySchool of BioengineeringDalian University of TechnologyDalian 116024China Ningbo institute of Dalian University of Technology Ningbo 315016China SINOPEC Dalian research {1. of petroleum and petrochemicals Co. Ltd.Dalian 116041China Microbial research {1. of Liaoning Province Chaoyang 122000China Yunnan Provincial Rural Energy Engineering Key Laboratory Kunming 650600China US-Pak Center for Advanced Studies in Agriculture and Food Security University of AgricultureFaisalabadPakistan

Acetic acid and furfural are known as prevalent inhibitors deriving from pretreatment during lignocellulosic ethanol *** negatively impact cell growth,glucose uptake and ethanol biosynthesis of Saccharomyces cerevisiae *** of industrial *** strains with high tolerance towards these inhibitors is thus critical for efficient lignocellulosic ethanol *** this study,the acetic acid or furfural tolerance of different *** strains could be significantly enhanced after adaptive evolution via serial cultivation for 40 generations under stress *** acetic acid-based adaptive strain SPSC01.TA9 produced 30.5 g·L^(-1.ethanol with a yield of 0.46 g·g^(-1.in the presence of 9 g·L^(-1.acetic acid,while the acetic acid/furfural-based adaptive strain SPSC01.TAF94 produced more ethanol of 36.2 g·L^(-1.with increased yield up to 0.49 g·g^(-1.in the presence of both 9 g·L^(-1.acetic acid and 4 g·L^(-1.*** improvements were also observed during non-detoxified corn stover hydrolysate culture by SPSC01.TAF94,which achieved ethanol production and yield of 29.1.g·L^(-1.and 0.49 g·g^(-1.,respectively,the growth and fermentation efficiency of acetic acid/furfural-based adaptive strain in hydrolysate was 95%higher than those of wildtype strains,indicating the acetic acid-and furfural-based adaptive evolution strategy could be an effective approach for improving lignocellulosic ethanol *** adapted strains developed in this study with enhanced tolerance against acetic acid and furfural could be potentially contribute to economically feasible and sustainable lignocellulosic biorefinery.

关键词： Saccharomyces cerevisiae Lignocellulosic ethanol production Adaptive evolution Acetic acid Furfural

Experimental Study of Integrated Ebullated-bed and Fixed-bed for Hydrotreating Mid-Low Temperature Coal Tar to Clean Fuel

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China petroleum Processing & Petrochemical Technology 2016年第3期18卷 1-6页

作者： Meng Zhaohui Yang Tao Fang Xiangchen SINOPEC fushun {1. institute of petroleum and petrochemicals Fushun 113001

A new hydrotreating technology integrating the ebullated-bed(EB) and the fixed-bed(FB) hydrogenation was proposed to investigate the efficiency for hydrotreating mid- low-temperature coal tar to clean fuel, and multiple tests at the bench scale were carried out. The results showed that the distillates obtained from EB reactors were greatly upgraded and could meet the requirements of FB unit without discarding any tail oil. The naphtha produced from FB reactors could be fed to the catalytic reforming unit, while a high quality diesel was also obtained. The unconverted oil(UCO) could be further hydrocracked to clean fuel. It is found that the removal of impurities from the coal tar oil is related with the molecular aggregation structure and composition of the coal tar. Application of the integrated hydrotreating technology to the hightemperature coal tar processing demonstrated that more than half of heavy components could be effectively upgraded.

关键词： coal tar ebullated bed fixed bed integrated hydrotreating

Study and Commercial Application of Graded Optimization of Catalysts for Fixed Bed Residue Upgrading Unit

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China petroleum Processing & Petrochemical Technology 2007年第2期9卷 29-33页

作者： Han Zhaoming Jiang Lijing fushun {1. institute of petroleum and petrochemicals Fushun 113001

The SHIFT-G technology of inverse catalyst loading is used to optimize the catalyst grading in the residue hydrotreating unit. The results, taken from pilot tests and commercial units, have showed that the optimized catalyst grading system can reasonably distribute the reaction load, effectively improve the prop- erties of hydrotreated products, prolong the operating cycle and promote economic benefits.

关键词： residue hydrotreating fixed bed catalyst grading load commercial application

Preparation and Commercial Application of ZHC-01.Hydrocracking Catalyst

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China petroleum Processing & Petrochemical Technology 2007年第2期9卷 43-47页

作者： Xu Xuejun Liu Dongxiang Wang Haitao Feng Xiaoping Wang Jifeng fushun {1. institute of petroleum and petrochemicals Fushun 113001

The ZHC-01.hydrocracking catalyst, characterized by high hydrogenation activity, good selectivity for middle distillates, strong resistance to nitrogen poisoning, was prepared by co-gelling. The catalyst is not only suited to the single-stage hydrocracking process, but also to the first stage of serial hydrocracking process. In parallel with the fully loaded operation of the 1.4 Mt/a hydrocracking unit at the SINOPEC Qilu Petrochemical Company, a pilot test of the ZHC-01.catalyst was also carried out on the hydrocracking unit. The test results indicated that the activity, the yield of major target products and quality of the ZHC-01.catalyst could comply with the design requirements for the hydrocracking unit, and this catalyst could be applied in the hydrocracking unit. The commercial test results showed that the ZHC-01.catalyst, featuring good activity, stability, and flexibility in production, not only could meet the demand for producing environmentally friendly middle distillates, but could also increase the resource of optimized steam cracking feedstock.

关键词： hydrocracking catalyst pilot plant test commercial application

Synthesis,characterization and catalytic properties of Y-β zeolite composites

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petroleum Science 2011年第2期8卷 224-228页

作者： Qin Bo Zhang Xiwen Zhang Zhizhi Ling Fengxiang Sun Wanfu fushun {1. institute of petroleum and petrochemicals S1NOPEC Fushun Liaoning 113001 China

Y-β zeolite composites were hydrotherrnally synthesized by using high silica Y zeolite as the precursor and characterized by XRD, N2 adsorption, SEM and IR spectra of pyridine. The result showed that the N2 adsorption-desorption isotherm of the zeolite composites had a distinct hysteresis loop, and the SEM result showed that the zeolite composites had a different morphology from Y, β and the corresponding physical zeolite mixture. The acid catalytic performance of the zeolite composite catalysts was investigated in the hydrocracking and hydroisomerization of n-octane, and the results showed that the composite materials exhibited an excellent hydrocracking activity and good hydroisomerization performance. The yield of i-C4 over the zeolite composite catalyst was 4.45% higher than that on the corresponding zeolite mixture in the n-octane hydrocracking process at 553 K. The isomerization ability of n-octane over the composite catalyst was 3.6 fold that of the corresponding mixture at 503 K.

关键词： Zeolite composites synthesis characterization hydrocracking hydroisomerization

Performance of Ni-based, Fe-based and Co-based Oxygen Carriers in Chemical-Looping Hydrogen Generation

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China petroleum Processing & Petrochemical Technology 2013年第2期15卷 53-58页

作者： Liang Hao Zhang Xiwen Fang Xiangchen Yuan Honggang fushun {1. institute of petroleum and petrochemicals SINOPEC fushun {1. institute of Environmental Science

Ni-based, Fe-based and Co-based oxygen carriers with perovskite oxides used as the supports were prepared by citric acid complexation method, The oxygen carriers were characterized by thermal analysis, H2-temperature-programmed reduction and X-ray diffraction methods. Performance tests were evaluated through Chemical-Looping Hydrogen Genera- tion in a fixed-bed reactor operating at atmospheric pressure. The characterization results showed that all samples were composed of metal oxides and perovskite oxides. Performance results indicated that CH4 conversion over the oxygen car- riers decreased in the lbllowing order： NiO/LaNiO3〉Co203/LaCoO3〉Fe203/LaFeO3. The ability of NiO/LaNiO3 and F%O3/ LaFeO3 to decompose water was stronger than that of Co203/LaCoO3 as evidenced by our experiments. H2 amounting to 80 mL upon reacting on methane in every cycle could be completely oxidized by NiO/LaNiO3 at 900℃ in the period from the third cycle to the eighth cycle.

关键词： Chemical-Looping Hydrogen Generation oxygen carrier perovskite oxide methane