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Tungsten-incorporated Mobil-type eleven (W-MEL) membranes were developed for selective separation of oil/water mixtures. W-MEL membranes were grown on APTES-modified stainless steel mesh supports via in-situ hydrothermal growth and further modified with two different fluorine-free compounds to manipulate their surface wettability. The synthesized W- MEL membranes demonstrated water-selective separation from light oil/water mixtures. Remarkably, hydrophobically modified W-MEL membranes exhibited impressive oil-permselectivity for heavy oil separation. Both modified membranes showed excellent stability and high corrosion resistance in real seawater, indicating their suitability for separating heavy oils from seawater. Compared to existing zeolite membranes, synthesized and hydrophobically modified W-MEL membranes exhibited competitive separation characteristics, highlighting their potential for efficient oil/water separation. (See Hammad Saulat, et al., Pages 242-252)
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A novel process to recover TiO2 support from spent SCR catalysts was proposed. Fouled TiO2 support in spent SCR catalyst was reconstructed and purified by NaOH hydrothermal treatment, acid washing, and calcination, and TiO2 was reconstructed through Na2Ti2O4(OH)2 and H2Ti2O4(OH)2. The elements affecting catalytic abilities were also removed from spent SCR catalysts, such as As, K, and Na. The fresh SCR catalysts were resynthesized using the recovered TiO2 as raw material, and its catalytic performance was comparable with that of commercial SCR catalysts. This study realized the sustainable recycling of TiO2 support from spent SCR catalysts. (See Jinlong Liu et al., Pages 53-60)
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In order to find a green, efficient and low-cost non-mercury catalyst for the preparation of vinyl chloride by acetylene method, we synthesized CuCl2 supported on N and P heteroatom doped carbon. It shows excellent performance for hydrochlorination acetylene. N and P heteroatoms doping adjust the proportion of active component Cu+/Cu2+ in the catalyst, thus achieving the goal of improving catalytic activity. (See Li et al. Pages 193-199).
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It has been known that Co0-Co2+ is an efficient active pair for generate ethanol from syngas, while obtaining and tuning the active pair is a challenge. This work presents an interesting scheme for constructing and tailoring the active pair, where Co2+ could be confined in the lattice of CaTi0.6Co0.4-xMoxO3 with perovskite phase owing to the existence and the compensation of the higher valence state ions of Mo5+. The active pair is composed of the Co2+ and Co0 reduced from the lattice of the perovskite phase, and the ratio of Co0/Co2+ could be adjusted by the content of the Mo5+. (See Wu et al. Pages 279-289).
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28 August 2023, Volume 60 Issue 8
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Permeation characteristics of light hydrocarbons through Poly(amide-6-b-ethylene oxide) multilayer composite membranes PDF (0KB) Heat Transfer Behavior in a Square Duct with Tandem Wire Coil Element Insert PDF (0KB) 基于ARX-NNPLS模型的优化策略及在聚合物牌号切换过程中的应用ARX-NNPLS PDF (0KB) 甲烷/乙烯/空气预混火焰层流燃烧速度与火焰稳定性的数值研究 PDF (0KB) Advances in LES Studies on Two-Phase Combustion--Part II: LES of Complex Engineering Gas-Particle Flows and Coal Combustion PDF (0KB) Lixing Zhou - [an error occurred while processing this directive]
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Journal Introduction
Started in 1982(Monthly)
Editor-in-Chief:FEI Weiyang
Executive Editor-in-Chief: LUO Guangsheng
Sponsored: Chemical Industry and Engineering Society of China,
Chemical Industry Press Co., Ltd.
ISSN: 1004-9541
CN: 11-3270/TQ
Editor-in-Chief:FEI Weiyang
Executive Editor-in-Chief: LUO Guangsheng
Sponsored: Chemical Industry and Engineering Society of China,
Chemical Industry Press Co., Ltd.
ISSN: 1004-9541
CN: 11-3270/TQ
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