膜催化剂
- 网络membrane catalysts
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结果表明,所制得的TiO2膜催化剂主要由锐钛矿和金红石2种晶相组成;
Results showed that the so-made TiO 2 film photocatalyst was mainly composed of anatase and rutile .
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考察了介质水中常见金属离子Fe~(2+)、Fe~(3+)、Cu~(2+)、Mn~(2+)及酸碱度pH值对紫外灯管负载TiO2膜催化剂性能的影响。
The influence of common cations ( Fe2 + , Fe3 + , Cu2 + , Mn2 + ) and the pH in water was studied .
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相对于粉末,膜催化剂的再生和重复利用性明显增加,且回收利用简单方便。
The reuse and regeneration of film were increased compared with powder catalyst . 2 .
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b轴取向的TS-1膜为催化剂时,催化活性与选择性均令人满意。
When the b-oriented TS-1 film was used , the reactivity and selectivity were both satisfactory .
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负载型TiO2膜光催化剂的制备及太阳光光催化降解印染废水的研究
Preparation of Coated TiO_2 Films and Solar Photocatalytic Degradation of Dyeing-Wastewater
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以泡沫镍为基材,采用溶胶-凝胶法制备了TiO2纳米膜光催化剂。
A TiO_2 nano-membrane photocatalyst was prepared by the sol-gel method using foam-nickel as the radical material .
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TiO2膜光催化剂的改进及表征
Improvement and Characterization of TiO_2 Film Photocatalyst
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利用Fe3O4/DR膜作为催化剂前体在硅片上生长多壁碳纳米管
Growth of Multi-walled Carbon Nanotubes on Si Substrate with Fe_3O_4 / DR Film as Catalyst Precursors
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以溶胶-凝胶法制备了不同掺铁比例的TiO2膜光催化剂,分别以X-射线衍射和场诱导表面光电压谱进行表征。
Fe-doping TiO_2 photocatalyst film with different Fe content were prepared by sol-gel process and characterized by X-ray diffraction ( XRD ) and electrical field-induced surface photo-voltage spectrum ( EFISPS ) .
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Pt-TiO2,Pt-Ti2O3与Pt-TiO共溅射簿膜模型催化剂上的金属-担体间相互作用&Ⅰ.TEM与HEED考察
The metal-support interaction on the model catalysts pt-tio_2 , pt-ti_2o_3 and Pt-TiO co-sputtering film ⅰ . TEM and heed studies
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研究结果如下:1,凝胶-溶胶法和浸渍-提拉法是一种很好的制备Ag-TiO2膜光催化剂的方法,制备时必须注意控制实验条件。
The experimental results show as follows : 1 , The sol-gel method and dip-coating process were the good methods for preparing nanometer Ag-TiO2 photocatalytic thin film .
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以HF-101强酸型离子交换膜为催化剂,由草酸与异戊醇为原料合成了草酸二异戊酯。
Diisopentyl oxalate was synthesized by the esterification of oxalic acid and isopentyl alcohol in the presence of HF-101 strong acidic ion exchange membrane .
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以Pt/PSPI杂化膜为催化剂时,苯加氢得到产物环己烯和环己烷,环己烯的产率随着时间的延长而增加,在10h达到最大。
The products of benzene hydrogenation were cyclohexene and cyclohexane when the catalyst was Pt / PSPI hybrid membrane . It can be seen that the conversion of benzene and the yield of cyclohexene getting the peak after 10h increased with the time .
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PVDF膜载Pd/Fe催化剂制备及性能研究
Study on performance and preparation of PVDF membrane-immobilized Pd / Fe catalyzer
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但是,Nafion膜和Pt催化剂高昂的价格从经济上限制了PEMFCs的广泛应用。
However , the high cost of the expensive Nafion membrane and platinum catalysts is still an economic barrier to the widespread application of PEMFCs .
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以石英砂为载体,液相沉积水解法制备的纳米TiO2膜为光催化剂,通过掺杂过渡金属离子对膜进行改性。
Using the nano-TiO2 thin film as photocatalyst and quartz sand as carrier . This film is prepared by liquid phase deposition and hydrolyzation processing and its characters are modified by doped some transition metal-ions .
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相对于陶瓷管上的沸石膜和粉末催化剂,负载在不锈钢网和SiO2小球上的TS-1沸石膜,由于增加了界面接触面积,改善了传递过程,使TS-1膜的反应性能明显提高。
Compared with TS-1 film supported on tube and powder , the catalytic activity of TS-1 films supported on stainless steel rings and SiO2 pellets were dramatically increased due to provide a large interfacial contact area and improve the mass transfer processes .
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人工合成膜&生物催化剂固定化的新载体
Artificial Membranes-New Carriers for the Immobilization of Biocatalyst
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本文就膜固定生物催化剂的方式和方法作了详细的阐述,并扼要地介绍了生物催化剂的膜固定化技术的发展方向。
In this paper , the style and the method of biocatalyst immobilization with membrane were reviewed in detail , the development tendency and the application fields were also introduced in brief .
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目前,由分子筛膜包覆在催化剂颗粒表面而形成的具有核壳结构的复合催化剂因其良好的性能而引起研究者的广泛关注。
Recently , the core-shell structured composite catalyst , which is produced by coating a zeolite layer over the surface of the catalyst particles , attracts wide attention of the researchers for its excellent performance .
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通过比较各种不同类型的固体电解质膜和阴极催化剂的优缺点以及它们对甲醇渗透的影响,指出了目前甲醇渗透研究中存在的一些问题,并提出了未来甲醇渗透的研究方向。
Some problems in researches of methanol crossover were pointed out by comparing different types of solid electrolyte membranes and cathode catalysts and their effect on methanol crossover . Future research directions in methanol crossover were suggested .
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以钛板为基材,采用溶胶-凝胶法制备固定膜TiO2/Ti光催化剂,并对其施加一定的阳极偏电压,对苯甲酰胺溶液进行了电助光催化氧化处理。
The electrically assisted photocatalytic oxidation treatment of benzamide solution was studied with Ti plate as radical material and adopting solidified membrane Tio2 / Ti photocatalyst prepared by sol-gel method and applying definite anode bias voltage to it .
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综述了直接醇类燃料电池的工作原理及最新进展,简述了此类电池存在的主要问题及关键技术,对发展质子交换膜和电催化剂技术提出了建议。
Reaction principles and research progress of direct alcohols fuel cell are presented . The main problems and key techniques of these types of fuel cell are briefly reviewed . The development of proton exchange membrane and electro-catalysis technique are suggested .
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膜电极包含的催化剂层、材料和结构等对PEMFC的性能影响很大。
Therefore , including the catalyst layer , the materials and structures of the MEA are considered to have most effects on PEMFC performance .
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评述纳米TiO2光催化剂制备方法及成膜条件,光催化剂用于降解有机废水的负载方式和改性手段,指出光催化用于制药废水降解存在的问题。
To summarize the preparation methods of nanometer TiO 2 photocatalyst and the factors of forming membrane and the ways of support and modification of TiO 2 . To point out the problems of the degradation in manufacturing medicine wastewater with photocatalyst .
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氯丙烯环氧化法膜分离实验表明催化剂的ECH产能较为理想,且能满足过氧化氢的转化率、ECH的收率和选择性。
The membrane separation experiments in the epoxidation of chloropropene showed that the epoxy chloropropane product was ideal and it could satisfy the invert ration of hydrogen peroxide , yield and selection of epoxy chloropropane .
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陶瓷微滤膜滤除骨架镍催化剂微粒的研究
Removal of Raney nickel catalysts fine particles by ceramic microfiltration membrane
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溶剂热法制备质子交换膜燃料电池电催化剂
Preparation of Electro-Catalysts of Proton Exchange Membrane Fuel Cell by Solvothermal Method
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尼龙6膜固定化生物催化剂及其应用
Nylon 6 Membrane Immobilized Biology Catalyst and Its Applications
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陶瓷膜微滤骨架镍催化剂的膜污染机理分析
Analysis of fouling mechanisms of ceramic membranes in microfiltration of Raney nickel catalysts suspension