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Determination of Interfacial Parameters of Copolyamide Membrane Material by HPLC
high performance liquid chromatography
2009/11/16
The High Performance Liquid Chromatography (HPLC) method is employed with copolyamide-170 (PA-170) membrane material as packing to determine the retention volume (V?R) and equilibrium distribution coe...
Effects of Polymeric Flocculants on Settlement of Bayer Red Mud Generated from Chinese Diaspore Bauxite
alumina red mud flocculant settlement clarification
2009/11/16
A systematic investigation on the interaction between Bayer red mud particles generated from Chinese diaspore bauxite and commercial sodium polyacrylate (SPA) or polyacrylamide (PAM) was performed by ...
Experimental Study of Plasma Under-liquid Electrolysis in Hydrogen Generation
hydrogen generation plasma glow discharge electrolysis
2009/11/16
The application and characteristics of relatively big volume plasma produced with cathodic glow discharges taking place across a gaseous envelope over the cathode which was dipped into electrolyte in ...
The catalysts of Co/Zr-SiO2 were prepared by precipitation and the promoter of Pt was supported by impregnation. The reducibility of the cobalt oxide and the other physicochemical properties of the ca...
Foaming Behavior in Molten Slag Caused by Decomposition of Carbonate Minerals
carbonate thermal decomposition Na2B4O7-CaO-MgO
2009/11/16
The average foam life is proposed as an index to the foaming behavior in molten slag. The molten slag system of Na2B4O7-CaO-MgO is foamed by the gas from the thermal decomposition of carbonate mineral...
Lipase was immobilized in ion exchange resin and then used in the hydrolysis of olive oil to produce fatty acids and glycerol. The time course of hydrolysis of olive oil was investigated in a stirred ...
Investigation of Surfactant–Stain–Metal Interaction: Naphthochrome Green/Cetyltrimethylammonium Bromide/Rare Earths Ternary Complexation
Langmuir aggregation cetyltrimethylammonium bromide naphthochrome green
2009/11/16
The ternary interaction of naphthochrome green (NCG) with cetyltrimethylammonium bromide (CTAB) and rare earths (REs: Yb, Dy, Er and Eu) has been investigated with the microsurface adsorption–spectral...
Mechanochemical Synthesis of Visible-light Induced Photocatalyst with Nitrogen and Carbon Doping
mechanochemical synthesis,titania photocatalyst,carbon and nitrogen doping,nitrogen monoxide,oxidation
2009/11/16
510 nm, 37% of nitrogen monoxide could be continuously removed by the carbon and nitrogen co-doped titania prepared by planetary ball milling of P-25 titania-10% hexamethylenetetramine mixture followe...
Microstructure and Phase Behavior of Cationic Gemini/Anionic Polyelectrolyte/Water Ternary System
gemini surfactant polyelectrolyte molecular interaction
2009/11/16
The microstructure of cationic gemini surfactant 1,6-bis(dodecyldimethylammonium) hexane dibromide [C12H25(CH3)2N-(CH2)6-N(CH3)2C12H25×2Br] (12-6-12×2Br-) and oppositely charged polyelectrolyte poly(a...
Multi-scale Approaches toward Sustainable Development
sustainable development green engineering pollution prevention
2009/11/16
Approaches toward the sustainable development need integrated considerations of technical, economical, environmental/ecological and social issues. Current approaches from different disciplines can be ...
PC-88A为载体的大块液膜体系Cu(II)传输动力学
2-乙基己基膦酸-2-乙基己基单酯
2009/11/13
采用以2-乙基己基膦酸-2-乙基己基单酯(PC-88A)为载体、CHCl3为膜溶剂的大块液膜分离体系，研究了搅拌速度、载体浓度、体系温度对铜离子迁移的影响. 获得了不同反应温度下的表观反应速率常数，萃取与反萃取表观反应活化能分别为41.97和8.59 kJ/mol. 铜离子的迁移过程可用2个串联的准一级不可逆过程描述，萃取过程化学反应为控速步骤，反萃取过程扩散为控速步骤.
苯甲酸在含不同夹带剂的超临界CO2中的溶解度
苯甲酸 超临界CO2 溶解度
2009/11/13
乙酸乙酯. 此外还探讨了温度、压力对苯甲酸在超临界CO2中溶解度的影响，以及夹带剂的作用机理，并用Sovova方程对实验数据进行回归，得到了较满意的结果.
不同性质有机分散相对CO2吸收过程的影响
CO2乳液吸收 吸收速率 界面阻力
2009/11/12
环己烷，铺展所产生的油膜造成了附加阻力，使低体积分率时CO2吸收速率反比纯水中低，最小时甲苯、环己烷、正庚烷所对应的体积分率分别为0.02, 0.08和0.04. 表面活性剂的加入促使乳液更趋稳定，但由于表面活性剂在气液界面及油水界面的吸附，传质阻力显著增加，吸收速率较无表面活性剂时更低，对此现象进行了理论分析. 与甲苯、环己烷等不同，正丁醇/水为部分互溶体系，在实验浓度范围内，吸收速率呈现先上升...
采用神经网络和主成分分析方法建立催化重整装置收率预测模型
催化重整 收率 预测
2009/11/12
催化重整装置收率预测的准确性对生产计划的制定具有重要意义. 采用神经网络和主成分分析方法，并运用改进的遗传算法进行网络训练，建立了催化重整装置收率预测模型. 将这一模型程序作为催化重整装置收率预测模块加入软件GIOPIMS(Graphic I/O Petro-chemical Industry Modeling System)中，得到更为精确的产品收率预测结果. 在实际生产中，将收率预测模块计算的...