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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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1004-9541

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010-64980783

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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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    Hydrogen release of NaBH4 below 60℃ with binary eutectic mixture of xylitol and erythritol additive

    Yugang ShuJiaguang ZhengChengguo YanAo Xia...
    225-234页
    查看更多>>摘要：NaBH4 was widely regarded as a low-cost hydrogen storage material due to its high-mass hydrogen capacity of approximately 10.8％ (mass) and high volumetric hydrogen capacity of around 115 g·L-1. However,it exhibits strong stability and requires temperatures above 500 ℃ for hydrogen release in practical applications. In this study,two polyhydric alcohols,xylitol and erythritol (XE),were prepared as a binary eutectic sugar alcohol through a grinding-melting method. This binary eutectic sugar alcohol was used as a proton-hydrogen carrier to destabilize NaBH4. The 19NaBH4-16XE composite material prepared by ball milling could start releasing hydrogen at 57.5 ℃,and the total hydrogen release can reach over 88.8％ (4.45％ (mass)) of the theoretical capacity. When the 19NaBH4-16XE composite was pressed into solid blocks,the volumetric hydrogen capacity of the block-shaped composite could reach 67.2 g·L-1. By controlling the temperature,the hydrogen desorption capacity of the NaBH4-XE composite material was controllable,which has great potential for achieving solid-state hydrogen production from NaBH4.
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    Mesoporous amorphous FeOOH-encapsulated BiO2-x photocatalyst with harnessing broad spectrum toward activation of persulfate for tetracycline degradation

    Pengfei WuZhaolong LiuLi WuYingkun Zhang...
    235-248页
    查看更多>>摘要：With the growing concern about the water environment,the advanced oxidation process of persulfate activation assisted by photocatalysis has attracted considerable attention to decompose dissolved organic micropollutants. In this work,to overcome the drawbacks of the photocatalytic activity reduction caused by the photo-corrosion of non-stoichiometric BiO2-x,a novel material with amorphous FeOOH in situ grown on layered BiO2-x to form a core-shell structure similar to popcorn chicken-like morphology was produced in two simple and environmentally beneficial steps. Through a series of degradation activity tests of hybrid materials under different conditions,the as-prepared materials exhibited remarkable degradation activity and stability toward tetracycline in the FeOOH@BiO2-x/Vis/PS system due to the synergism of photocatalysis and persulfate activation. The results of XRD,SEM,TEM,XPS,FTIR,and BET show that the loading of FeOOH increases the specific surface area and active sites appreciably;the heterogeneous structure formed by FeOOH and BiO2-x is more favorable to the effective separation of photogenerated carriers. The optimal degradation conditions were at a catalyst addition of 0.7 g·L-1,a persulfate concentration of 1.0 g·L-1,and an initial pH of 4.5,at which the degradation rate could reach 94.7％ after 90 min. The influence of typical inorganic anions on degradation was also examined. ESR studies and radical quenching experiments revealed that·OH,SO4-·,and·O2-were the principal active species generated during the degradation of tetracycline. The results of the 1,10-phenanthroline approach proved that the effect of dissolved iron ions on the tetracycline degradation was limited,and the interfacial reaction that occurs on the active sites on the material's surface was a critical factor. This work provides a novel method for producing efficient broad-spectrum Bismuth-based composite photocatalysts and photocatalytic-activated persulfate synergistic degradation of tetracycline.
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    Devolatilization of high viscous fluids with high gravity technology

    Jibing QiYouzhi LiuYandong Liu
    249-257页
    查看更多>>摘要：Volatile organic compounds (VOCs) are generally toxic and harmful substances that can cause health and environmental problems. The removal of VOCs from polymers has become a key problem. The effective devolatilization to remove VOCs from high viscous fluids such as polymer is necessary and is of great importance. In this study,the devolatilization effect of a rotating packed bed (RPB) was studied by using polydimethylsiloxane as the viscous fluid and acetone as the VOC. The devolatilization rate and liquid phase volume ﹙KLa﹚ have been evaluated. The results indicated that the optimum conditions were the high-gravity factor of 60,liquid flow rate of 10 L·h-1,and vacuum degree of 0.077 MPa. The dimen-sionless correlation of KL a was established,and the deviations between predicted and experimental values were less than±28％. The high-gravity technology will result in lower mass transfer resistance in the devolatilization process,enhance the mass transfer process of acetone,and improve the removal effect of acetone. This work provides a promising path for the removal of volatiles from polymers in combination with high-gravity technology. It can provide the basis for the application of RPB in viscous fluids.
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    • 万方数据
    • 维普

    Transferable adversarial slow feature extraction network for few-shot quality prediction in coal-to-ethylene glycol process

    Cheng YangChao JiangGuo YuJun Li...
    258-271页
    查看更多>>摘要：In the coal-to-ethylene glycol (CTEG) process,precisely estimating quality variables is crucial for process monitoring,optimization,and control. A significant challenge in this regard is relying on offline labo-ratory analysis to obtain these variables,which often incurs substantial monetary costs and significant time delays. The resulting few-shot learning scenarios present a hurdle to the efficient development of predictive models. To address this issue,our study introduces the transferable adversarial slow feature extraction network (TASF-Net),an innovative approach designed specifically for few-shot quality pre-diction in the CTEG process. TASF-Net uniquely integrates the slowness principle with a deep Bayesian framework,effectively capturing the nonlinear and inertial characteristics of the CTEG process. Addi-tionally,the model employs a variable attention mechanism to identify quality-related input variables adaptively at each time step. A key strength of TASF-Net lies in its ability to navigate the complex measurement noise,outliers,and system interference typical in CTEG data. Adversarial learning strategy using a min-max game is adopted to improve its robustness and ability to model irregular industrial data accurately and significantly. Furthermore,an incremental refining transfer learning framework is designed to further improve few-shot prediction performance achieved by transferring knowledge from the pretrained model on the source domain to the target domain. The effectiveness and superiority of TASF-Net have been empirically validated using a real-world CTEG dataset. Compared with some state-of-the-art methods,TASF-Net demonstrates exceptional capability in addressing the intricate challenges for few-shot quality prediction in the CTEG process.
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    Effect of samarium doping on the activity and sulfur resistance of Ce/MnFeOx catalyst for low-temperature selective catalytic reduction of NOx by ammonia

    Qiyao ZhangShuangshuang ZhangXu HuYongmin Huang...
    272-282页
    查看更多>>摘要：The self-made MnFeOx catalysts doped with cerium and samarium were prepared by impregnation method for low-temperature selective catalytic reduction (SCR) by NH3. In this work,the surface properties of the series of MnFe-based catalysts were studied. The results indicate Sm-modified catalyst have superior low-temperature SCR activity;NOx conversion maintained at nearby to 100％ at 90 ℃ to 240 ℃. In addition,The N2 selectivity of Sm doping remains above 80％ in the range of 60 ℃ to 150 ℃. In SO2 poisoning test,the Nox conversion can be remained>90％ after 10 h of reaction. The XPS,NH3-TPD and H2-TPR results show the catalyst with Sm doping enhances the acid sites and oxidation catalytic sites of mixed oxides serves for improving oxygen vacancies and transfer electrons. In situ diffuse reflaxions infrared Fourier transformations spectroscopy (DRIFTS) results show that Nox is more easily adsorbed on the surface after Sm doping,which provided favorable conditions for the NH3-SCR reaction to proceed. The reaction at the catalyst surface will follow the L-H reaction mechanism by transient reaction test.
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    Capparis spinosa L waste activated carbon as an efficient adsorbent for crystal violet toxic dye removal:Modeling,optimization by experimental design,and ecological analysis

    Mohammed BenjellounYoussef MiyahSalma SsouniSoulaiman Iaich...
    283-302页
    查看更多>>摘要：Textile dyes are dramatic sources of pollution and non-aesthetic disturbance of aquatic life and therefore represent a potential risk of bioaccumulation that can affect living species. It is imperative to reduce or eliminate these dyes from liquid effluents with innovative biomaterials and methods. Therefore,this research aims to highlight the performance of Capparis spinosa L waste-activated carbon (CSLW-AC) adsorbent to remove crystal violet (CV) from an aqueous solution. The mechanism of CV adsorption on CSLW-AC was evaluated based on the coupling of experimental data and different characterization tech-niques. The efficiency of the CSLW-AC material reflected by the equilibrium adsorption capacity of CV could reach more than 195.671 mg·g-1 when 0.5 g·L-1 of CSLW-AC (Particle size≤250μm) is introduced into the CV of initial concentration of 100 mg·L-1 at pH 6 and temperature 65 ℃ and in the presence of potassium ions after 60 min of contact time according to the one parameter at a time studies. The adsorption behavior of CV on CSLW-AC was found to be consistent with the pseudo-second-order kinetic model and Frumkin's linear isothermal model. The thermodynamic aspects indicate that the process is physical,spontaneous,and endothermic. The optimization of the process by the Box Behnken design of experiments resulted in an adsorption capacity approaching 183.544 mg·g-1 ([CV]=100 mg·L-1 and[CSLW-AC]=0.5 g·L-1 at 35 min). The results of the Lactuca sativa seeds germination in treated CV (70％),adsorbent solvent and thermal regeneration (more than 5 cycles),and process cost analysis (1.0484 USD·L-1) tests are encour-aging and promising for future exploitations of the CSLW-AC material in different industrial fields.
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    Notes for Contributors

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    • 维普