甲醇氧化
- 网络Methanol Oxidation
![甲醇氧化](/bd-dict/cache/1082009.jpg)
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抗CO中毒的Pt-HxWO3电沉积制备及其对甲醇氧化的催化作用
Electrodeposition Preparation and Activity of CO-Resistant Catalyst Pt-H_xWO_3 for Methanol Oxidation
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Pt纳米花/ZnO复合阵列的制备及对甲醇氧化催化的研究
Preparation of Pt Nanoflower / ZnO Composites Arrays and Their Electrocatalysis for Methanol Oxidation
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Cu(Ⅰ)Y催化剂催化甲醇氧化羰基化合成碳酸二甲酯
Oxidative carbonylation of methanol to dimethyl carbonate over Cu (ⅰ) zeolite catalyst
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炭气凝胶负载Pt基催化剂的制备及其甲醇氧化催化性能
Preparation and catalytic performance of Pt catalyst supported on carbon aerogels for methanol oxidation
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在Mo-Bi-Ce/SiO2催化剂上内扩散对甲醇氧化制甲醛Redox机理动力学的影响
The effect of intraparticle diffusion on the kinetics of redox mechanism of oxidation to formaldehyde
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甲醇氧化羰基化洁净合成DMC催化反应研究
Study of Clean Synthesis of Dimethyl Carbonate by Catalytic Oxidative Carbonylation of Methanol
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利用这种方法制得的胶态Pt/C催化剂对甲醇氧化的电催化活性与用固相反应法制得的Pt/C催化剂相近,但这种方法的制备工艺简单、稳定,有利于大规模生产。
However , the preparation technique of the colloidal Pt / C catalyst is simple , stable and suitable for the production on a large scale .
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甲醇氧化的动力学服从甲醇及甲醛吸附的Redox机理方程。
The kinetics of oxidation of methanol obeyed the equation of redox mechanism with adsorption of methanol and formaldehyde .
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水和氧在电解银表面上存在着竞争吸附,水的加入能抑制甲醇氧化为甲醛的副产物CO2的产生,提高反应选择性。
It has also been found that there exists competitive adsorption between water and oxygen on silver and water can increase the selectivity of methanol oxidation to formaldehyde .
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不同载体负载的Cu2(OH)3Cl催化剂对甲醇氧化羰基化的催化性能
Catalytic Performance of Cu_2 ( OH ) _3Cl Catalysts Supported on Various Supports for Methanol Oxidative Carbonylation
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Pd和Pt具有相似的晶格常数和电子性质,且地壳储量较Pt丰富,同时Pd在酸性介质下对甲醇氧化呈非活性。
Pd has similar lattice constant and electronic properties with Pt , being more abundant than Pt and inactive toward methanol oxidation under acid medium .
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研究结果表明:硅钨酸修饰多晶铂电极提高了甲醇氧化的催化活性和抗CO中毒性。
The results show that the Pt electrode modified by Silicatungstic acid has not only the higher catalytic activity to methanol oxidation , but also the effect decreasing CO poison .
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CuZn(Zr,Ce)AlO在甲醇氧化水蒸气重整制氢中的研究
Oxidative Steam Reforming of Methanol over CuZn ( Zr , Ce ) AlO Catalysts
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DMFC多孔Pt-Ru阳极甲醇氧化宏观动力学模型化
Modeling of macro kinetics of methanol oxidation in porous Pt-Ru anode for DMFC
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综述了碳酸二甲酯的合成工艺及催化剂,尤其是Cu基催化剂的研究进展,深入探讨了甲醇氧化羰基化反应中载体和助剂对Cu基催化剂活性和选择性的影响。
The synthetic process of dimethyl carbonate by oxidation and carbonylation of methanol was studied . Influences of supports and promoters on activity and selectivity of the catalysts were discussed in detail .
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结果表明,这六种催化剂都具有良好的酸性条件下电化学催化甲醇氧化的功能,MWCNT/Pt(Cu)催化剂具有最好的催化活性和较好的抗中毒能力。
The results indicated that all the catalysts were able to catalyze methanol oxidation in acid condition . MWCNT / Pt ( Cu ) owned the best catalytic activity and good anti-poisoning ability .
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本文旨在建立和求解DMFC多孔阳极甲醇氧化宏观动力学理论数模。
A theoretical model of macro kinetics for methanol oxidation in the porous anode of DMFC was developed .
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进而研究了ZnAl-LDH负载Pd催化剂对苯甲醇氧化反应的催化效果。
And then , the catalytic effect of Pd / ZnAl-LDH was investigated via benzyl alcohol oxidation .
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制备并优选了甲醇氧化重整的催化剂,实验表明在相同的温度下,Pd催化剂、Cr2O3ZnO氧化物催化剂和Cu催化剂相比,活性、选择性以及氢产率都表现为Cu>CrZn>Pd。
Catalysts for methanol oxidation reforming are prepared and selected . Tests show that at the same temperature catalysts in order of activity , selectivity and hydrogen yield are Cu > CrZn > Pd .
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Zn-Cr催化剂上甲醇氧化重整制氢研究气相氟化合成CFCs替代品的Cr基催化剂的表征与性能研究
Hydrogen Production Via Oxidative Steam Reforming of Methanol over a Zn-Cr Catalyst ; Characterization and Performance of Cr-based Catalysts for the Synthesis of CFCs Alternatives
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对甲醇氧化羰基化合成DMC的过程进行了热力学分析。着重计算了合成反应的平衡常数和平衡转化率。
A thermodynamic analysis of synthesis process of DMC by oxidation carbonylation of methanol was carried out with the emphasis on calculations of equilibrium constants and conversions for the reaction .
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杂化MCM-41固载催化剂的合成、表征及催化研究介绍了水滑石材料作为催化剂在苯酚羟化反应、烯烃环氧化反应和甲醇氧化反应等催化氧化反应中的应用。
Synthesis , Characterization and Catalytic Applications of Asymmetric Hydrogenation Catalyst Immobilized on Hybrid MCM-41 The catalytic applications of the hydrotalcite-like compounds used as catalysts in oxidative reaction were elaborated .
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Pt纳米结构的形貌受多种条件的影响,如,电解液种类,溶液浓度以及沉积时间等。不同形貌的Pt纳米粒子,对甲醇氧化表现出不同的催化活性和抗中毒性。
The morphologies of Pt nanostructure depended on varying the electrolytes , solution concentration , and deposition time , etc. The Pt nano-catalysts were prepared under different conditions , which exhibit different catalytic activity and poisoning-tolerance for the methanol electrooxidation .
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结果证明Cl对甲醇氧化的影响缘于它在Ag(111)上的吸附所引起的表面结构的改变进而改变表面氧吸附物种,从而使得甲醇氧化的中间产物发生变化。
The results showed that Cl affects methanol oxidation on Ag ( 111 ) through the surface changes induced by Cl adsorption , which in turn affects the type of surface oxygen species present . Hence the intermediates in methanol oxidation are different .
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此外,在酸性电解液中,甲醇氧化及氧还原反应低的动力学是另一个限制DMFCs商业化发展的因素。
Moreover , the low kinetics of reaction of methanol and oxygen reaction in acid electrolyte is another key issue that limits the commercialization of acid DMFCs .
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在Mo-Ce/SiO2催化剂上甲醇氧化制甲醛的动力学方程可表达为甲醇及甲醛吸附的Redox机理方程,当催化剂颗粒直径增大到3mm时,内扩散强烈地影响反应速度。
The kinetics of oxidation of methanol to formaldehyde over Mo-Ce / SiO2 catalyst might be described by the equation of Redox mechanism with adsorption of methanol and . formaldehyde . When the particle size of catalyst reached 3 mm in diameter , intraparticle diffusion affected the reaction rate strongly .
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甲醇氧化羰化制碳酸二甲酯产物气相色谱分析
GC analysis of product from methanol oxidative carbonylation to dimethyl carbonate
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甲醇氧化制甲醛铁钼催化剂研究开发
Development of Fe-Mo Oxides Catalyst for Formaldehyde production by Methanol Oxidation
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铂催化甲醇氧化开始步骤的研究
Study of the Initial Steps of Methanol Electrooxidation Catalyzed by Pt
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甲醇氧化重整制氢工艺条件的研究
Study on process conditions for hydrogen preparation by methanol partial oxidation