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磷酸铝基Zn/HZSM-11催化剂用于苯和二甲醚烷基化反应
磷酸铝黏结剂 二甲醚 苯 烷基化 Zn/HZSM-11 积炭
2014/4/6
在Zn/HZSM-11中添加不同磷/铝摩尔比(n(P)/n(Al))的磷酸铝黏结剂制备了系列催化剂(ZnZPAlO-x),并对其进行X射线衍射、N2吸附-脱附、NH3-TPD和O2-TPO表征,同时用于催化苯和二甲醚烷基化反应。结果表明,ZnZPAlO-x催化剂的比表面积、总孔体积以及酸量均随其n(P)/n(Al)的增加而降低。与含氧化铝黏结剂的催化剂(ZnZAl)相比,ZnZPAlO-x催化剂的...
Zn与Mn复合改性HZSM-5催化低浓度乙醇脱水制乙烯
HZSM-5 改性 乙醇 脱水
2009/11/13
对浸渍法锌锰复合改性HZSM-5分子筛用于催化低浓度乙醇脱水制备乙烯进行了研究. 探讨了改性溶液类型、HZSM-5原粉硅/铝比和改性条件(改性溶液浓度、浸渍时间、浸渍温度、焙烧温度)对Zn/Mn/ZSM-5催化乙醇脱水效果的影响,通过XRD、孔体积与比表面积、微观形貌分析等方法对改性前后的HZSM-5进行了表征. 结果表明,当HZSM-5原粉硅/铝比为25,改性温度为40℃, Zn(NO3)2和M...
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...
FCC汽油不同馏分在P-Zn/HZSM-5上的芳构化研究
P-Zn/HZSM-5催化剂 催化裂化汽油 降烯烃 芳构化
2008/1/16
在连续固定床反应器上考察了P-Zn/HZSM-5催化剂对FCC汽油不同馏分芳构化的反应性能,探讨了原料对芳构化反应的影响。结果表明,在一定的反应条件下,P-Zn/HZSM-5催化剂对50~100℃馏分芳构化反应具有很高的活性和稳定性。在反应16 h后,液相产品中烯烃及芳烃的质量分数分别为 5.23%和79.9%,得到了低烯烃、高芳烃的汽油调合产品。在50~100℃馏分芳构化反应中,液相产品中的苯、...