搜索结果: 1-10 共查到“石油与天然气工程 Cu”相关记录10条 . 查询时间(0.093 秒)
环氧丙烷是一种重要的石油化工原料。目前工业上生产环氧丙烷的方法主要有两种：氯醇法和Halcon法。氯醇法对环境造成严重污染,Halcon法又面临联产物的问题。利用分子氧为氧化剂进行丙烯气相催化环氧化是生产环氧丙烷最理想的方法,同时也是催化领域最具挑战性的课题之一,尤其在Cu催化剂上开展丙烯环氧化反应是近年来兴起的1个研究方向,相关报道并不多。本文首先简单介绍了Ag、TS-1/H2O2、Au体系上环...
Synthesis of Mixed Alcohols from Syngas over Cs-modified Cu/Ce1−xZrxO2 Catalysts
Coprecipitation decomposition method Copper catalyst Ceria-zirconia support Cesium promoter
2010/9/8
Cu/Ce1−xZrxO2 (x = 0-1) was prepared by a coprecipitation-decomposition method using NH3 · H2O as precipitant (to avoid residues of alkali metals), followed by a boiling process to eliminate NH3...
Steam Reforming of Dimethyl Ether over Cu/ZnO/ZrO2 and γ-Al2O3 Mixed Catalyst Prepared by Extrusion
Dimethyl ether Steam reforming Hydrogen production Copper zinc catalyst
2009/8/4
Steam reforming of dimethyl ether, DME, over Cu/ZnO/ZrO2 and γ-Al2O3 mixed catalysts prepared by the extrusion technique was investigated. The catalysts were characterized by BET, pore-size distribut...
Screening Using Artificial Neural Network of Additives for Cu-Zn Oxide Catalyst for Methanol Synthesis from Syngas
Methanol synthesis Neural network Physicochemical property
2009/7/24
The activity of Cu-Zn oxide catalysts for methanol synthesis from syngas varies depending on the additives to the oxide, and optimum composition is sensitive to the reaction conditions. An artificial ...
Design of Cu-Zn-Al-Sc Oxide Catalyst for Methanol Synthesis Using Genetic Algorithm Based on Radial Basis Function Network as the Evaluation Function
Combinatorial chemistry High throughput screening Genetic algorithm
2009/7/24
Optimization of catalyst composition using a genetic algorithm (GA) is intended to increase the activity in a series of repetitive steps consisting of determination of the composition, catalyst prepa...
Application of Genetic Algorithm to Optimize the Composition of Cu-Zn-Al-Sc Oxide Catalyst for Methanol Synthesis
Genetic algorithm Catalyst optimization Combinatorial chemistry
2009/7/24
A genetic algorithm (GA), which is based on the theory of biological evolution, was applied to optimize the composition of Cu-Zn-Al-Sc oxide catalyst for methanol synthesis to identify high performan...
Optimization of Cu-based Oxide Catalyst for Methanol Synthesis Using a Neural Network Trained by Design of Experiment
Combinatorial chemistry High-throughput screening Neural network
2009/7/23
Cu-Zn oxide catalyst for methanol synthesis was optimized using an activity map by neural network method. The catalyst composition was determined randomly and the training data were measured in a hig...
Optimization of Cu-based Oxide Catalyst for Methanol Synthesis by the Activity Map Envelope Derived from a Neural Network
Combinatorial chemistry High-throughput screening Genetic algorithm
2009/7/23
The combinatorial approach is a successful tool for material development and for heterogeneous catalyst development. Combinatorial tools were developed consisting of a high-throughput screening react...
Ni-Cu/La2O3催化剂上甲烷部分氧化制合成气
甲烷 部分催化氧化 合成气 催化剂 Ni-Cu/La2O3
2008/3/2
摘要用浸渍法制备了不同Cu质量分数的NiCu/La2O3双金属催化剂，考察了金属浸渍顺序和Cu质量分数对催化剂甲烷部分氧化性能的影响,并通过BET、XRD、TPR和SEM等技术对催化剂进行了表征。结果表明,在甲烷部分氧化制合成气反应中，Cu助剂的添加对Ni/La2O3催化剂的活性有一定的改进作用，其中浸渍顺序对催化剂的性能影响很大，共浸渍制备的催化剂活性相对较好；Cu质量分数为5%~7%时催化剂...