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中国化学工程学报（英文版）
中国化学工程学报（英文版）

廖叶华

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中国化学工程学报（英文版）/Journal Chinese Journal of Chemical EngineeringCSCDCSTPCD北大核心EISCI
查看更多>>The Chinese Journal of Chemical Engineering (Bimonthly, started in 1982) is the official journal of the Chemical Industry and Engineering Society of China and published by the Chemical Industry Press. The aim of the journal is to develop the international exchange of scientific and technical information in the field of chemical engineering. It publishes original research papers that cover the major advancements and achievements in chemical engineering in China as well as some articles from overseas contributors. The topics of journal include chemical engineering, chemical technology, biochemical engineering, energy and environmental engineering and other relevant fields. Papers are published on the basis of their relevance to theoretical research, practical application or potential uses in the industry as Research Papers, Research Notes, Chemical Engineering Data and Reviews. Prominent domestic and overseas chemical experts and scholars have been invited to form an International Advisory Board and the Editorial Committee. It enjoys recognition among Chinese academia and industry as a reliable source of information of what is going on in chemical engineering research, both domestic and abroad.
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    Biocatalytic enhancement of laccase immobilized on ZnFe2O4 nanoparticles and its application for degradation of textile dyes

    Yuhang WeiQingpeng ZhuWeiwei XieXinyue Wang...
    216-223页
    查看更多>>摘要：Efficient and convenient treatment of industrial dyeing wastewater is of great significance to guarantee human and animal health.This work presented the enhanced catalytic activity at pH 3.0 of laccase immobilized on amino-functionalized ZnFe2O4 nanoparticles(ZnFe2O4-laccase)and its application for the degradation of textile dyes.Due to the existence of a large number of oxygen vacancies on the surface of the ZnFe2O4 nanoparticles,negative ions accumulated on the magnetic carriers,which resulted in a harsh optimal pH value of the ZnFe2O4-laccase.Laccase activity assays revealed that the ZnFe2O4-laccase possessed superior pH and thermal stabilities,excellent reusability,and noticeable organic solvent tolerance.Meanwhile,the ZnFe2O4 laccase presented efficient and sustainable degradation of high concentrations of textile dyes.The initial decoloration efficiencies of malachite green(MG),brilliant green(BG),azophloxine,crystal violet(CV),reactive blue 19(RB19),and procion red MX-5B were approximately 99.1％,95.0％,93.3％,87.4％,86.1％,and 85.3％,respectively.After 10 consecutive reuses,the degradation rates of the textile dyes still maintained about 98.2％,92.5％,83.2％,81.5％,79.8％and 65.9％,respectively.The excellent dye degradation properties indicate that the ZnFe2O4-laccase has a technical application in high concentrations of dyestuff treatment.
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    Boron nitride silicone rubber composite foam with low dielectric and high thermal conductivity

    Shuilai QiuHang WuFukai ChuLei Song...
    224-230页
    查看更多>>摘要：Silicone rubber(SR)is widely used in the field of electronic packaging because of its low dielectric properties.In this work,the porosity of the SR was improved,and the dielectric constant of the SR foam was reduced by adding expanded microspheres(EM).Then,the thermal conductivity of the system was improved by combining the modified boron nitride(f-BN).The results showed that after the f-BN was added,the dielectric constant and dielectric loss were much lower than those of pure SR.Micron-sized modified boron nitride(f-mBN)improved the dielectric and thermal conductivity of the SR foam better than that of nano-sized modified boron nitride(f-nBN),but f-nBN improved the volume resistivity,tensile strength,and thermal stability of the SR better than f-mBN.When the mass ratio of f-mBN and f-nBN is 2:1,the thermal conductivity of the SR foam reaches the maximum value of 0.808 W.m-1·K-1,which is 6.5 times that before the addition.The heat release rate and fire growth index are the lowest,and the improvement in flame retardancy is mainly attributed to the high thermal stability and physical barrier of f-BN.
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    A thermodynamic view on the in-situ carbon dioxide reduction by biomass-derived hydrogen during calcium carbonate decomposition

    Peng JiangHao ZhangGuanhan ZhaoLin Li...
    231-240页
    查看更多>>摘要：In the carbonate industry,deep decarbonization strategies are necessary to effectively remediate CO2.These strategies mainly include both sustainable energy supplies and the conversion of CO2 in down-stream processes.This study developed a coupled process of biomass chemical looping H2 production and reductive calcination of CaCO3.Firstly,a mass and energy balance of the coupled process was established in Aspen Plus.Following this,process optimization and energy integration were implemented to provide optimized operation conditions.Lastly,a life cycle assessment was carried out to assess the carbon footprint of the coupled process.Results reveal that the decomposition temperature of CaCO3 in an H2 atmosphere can be reduced to 780 ℃(generally around 900 ℃),and the conversion of CO2 from CaCO3 decomposition reached 81.33％with an H2∶CO ratio of 2.49 in gaseous products.By optimizing systemic energy through heat integration,an energy efficiency of 86.30％was achieved.Additionally,the carbon footprint analysis revealed that the process with energy integration had a low global warming potential(GWP)of-2.624 kg·kg-1(CO2/CaO).Conclusively,this work performed a systematic analysis of intro-ducing biomass-derived H2 into CaCO3 calcination and demonstrated the positive role of reductive calcination using green H2 in mitigating CO2 emissions within the carbonate industry.
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    Steam reforming of acetic acid over Ni/biochar of low metal-loading:Involvement of biochar in tailoring reaction intermediates renders superior catalytic performance

    Yunyu GuoYiran WangShu ZhangYi Wang...
    241-252页
    查看更多>>摘要：Biochar is a reactive carrier as it may be partially gasified with steam in steam reforming,which could influence the formation of reaction intermediates and modify catalytic behaviors.Herein,the Ni/biochar as well as two comparative catalysts,Ni/Al2O3 and Ni/SiO2,with low nickel loading(2％(mass))was conducted to probe involvement of the varied carriers in the steam reforming.The results indicated that the Ni/biochar performed excellent catalytic activity than Ni/SiO2 and Ni/Al2O3,as the biochar carrier facilitated quick conversion of the-OH from dissociation of steam to gasify the oxygen-rich carbona-ceous intermediates like C=O and C-O-C,resulting in low coverage while high exposure of nickel species for maintaining the superior catalytic performance.In converse,strong adsorption of aliphatic intermediates over Ni/Al2O3 and Ni/SiO2 induced serious coking with polymeric coke as the main type(21.5％and 32.1％,respectively),which was significantly higher than that over Ni/biochar(3.9％).The coke over Ni/biochar was mainly aromatic or catalytic type with nanotube morphology and high crystallinity.The high resistivity of Ni/biochar towards coking was due to the balance between formation of coke and gasification of coke and partially biochar with steam,which created developed mesopores in spent Ni/biochar while the coke blocked pores in Ni/Al2O3 and Ni/SiO2 catalysts.
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    A risk assessment method considering risk attributes and work safety informational needs and its application

    Cong LuoYunsheng ZhaoKe Xu
    253-262页
    查看更多>>摘要：The technological revolution has spawned a new generation of industrial systems,but it has also put forward higher requirements for safety management accuracy,timeliness,and systematicness.Risk assessment needs to evolve to address the existing and future challenges by considering the new de-mands and advancements in safety management.The study aims to propose a systematic and comprehensive risk assessment method to meet the needs of process system safety management.The methodology first incorporates possibility,severity,and dynamicity(PSD)to structure the"51X"eval-uation indicator system,including the inherent,management,and disturbance risk factors.Subsequently,the four-tier(risk point-unit-enterprise-region)risk assessment(RA)mathematical model has been established to consider supervision needs.And in conclusion,the application of the PSD-RA method in ammonia refrigeration workshop cases and safety risk monitoring systems is presented to illustrate the feasibility and effectiveness of the proposed PSD-RA method in safety management.The findings show that the PSD-RA method can be well integrated with the needs of safety work informatization,which is also helpful for implementing the enterprise's safety work responsibility and the government's safety supervision responsibility.
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    Layer-by-layer fabrication of montmorillonite coating immobilizing Cu2O nanoparticles for continuously catalyzing glycerol to dihydroxyacetone

    Kejin LiJiahui LiuDajian LiXiaolan Chen...
    263-275页
    查看更多>>摘要：Microreactors are increasingly used for green and safe chemical processes owing to their benefits of superior mass and heat transfer,increased yield,safety,and simplicity of control.However,immobilizing catalysts in microreactors remains challenging.In this investigation,a technique for creating Cu2O/montmorillonite catalyst coating,using electrostatic attraction for layer-by-layer self-assembly,was proposed.The montmorillonite film's morphology and thickness could be efficiently regulated by adjusting the degree of exfoliation and surface charge of montmorillonite,alongside layer-by-layer coating times.The Cu2O nanoparticles were immobilized using the flow deposition approach.The resulting Cu2O@montmorillonite-film-coated capillary microreactor successfully transformed glycerol into dihydroxyacetone.The conversion of glycerol and product selectivity could be controlled by adjusting the molar ratio of reactants,temperature,residence time,and Cu2O loading.The maximum glycerol conversion observed was 47.6％,with a 27％selectivity toward dihydroxyacetone.The study presents a technique for immobilizing montmorillonite-based catalyst coatings in capillary tubing,which can serve as a foundation for the future application of microreactors in glycerol conversion.
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    Notes for Contributors

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