Method of intersecting point locus for calculation of isothermal effectiveness factor in a spherical porous catalyst pellet

Study on the properties of a new spherical support catalyst for polyethylene has been touched.

对一种采用球型载体合成的聚乙烯催化剂的性能进行研究。

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A random network model for spherical porous catalyst pellet

多孔球形催化剂颗粒的随机网络模型

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When the intrinsic reaction rate is non-first order, the differential equation describing the distribution of the concentration of a reactant in spherical catalyst at isothermal condition is a second order non-linear ordinary differential equation and does not have analytical solution.

等温情况下，当本征反应速率是非一级反应，描述球形催化剂内反应组分浓度分布的微分方程为二阶非线性常微分方程，无解析解。

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According to the pellet models constructed in the first part of this paper, the diffusion reaction performance in a spherical catalyst pellet, and the effects of operation conditions and pellet size on reactivity and product selectivity were systematically investigated.

在催化剂颗粒模型化的基础上，考察了费托合成多重反应体系中球型催化剂的颗粒尺寸、操作条件及反应物在催化剂颗粒内的扩散反应行为等对反应性和选择性的影响。

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The structure and properties including polymer stereoregularity, relative molecular mass and distribution and thermal behavior of polypropylene produced with DQ spherical catalyst on industrial batch reactors were studied by 13 C NMR, GPC and DSC.

采用13c NMR、GPC和DSC等分析测试方法对用DQ型球形催化剂在间歇法聚丙烯生产装置上所生产的聚丙烯的规整性、相对分子质量及其分布、聚合物的热行为等进行了研究。

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A high efficiency spherical catalyst HDC developed by Research Institute of Petroleum Processing firstly used in a 140kt/ a polypropylene unit with a loop reactor at Maoming Petrochemical Ethylene Industrial Company was introduced.

介绍了石油化工科学研究院研究开发的高效球型聚丙烯HDC催化剂在茂名石化乙烯工业公司140kt/a环管聚丙烯装置上首次工业应用的情况。

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This paper evaluated the performance of spherical catalyst HDC for propylene polymerization and explored the influences of prepolymerization, polymerization temperature, time and hydrogen concentration on the polymerization behaviour of HDC.

对聚丙烯高效球形催化剂HDC进行了性能评价，并探讨了预聚合、聚合温度、时间、氢气浓度等因素对HDC聚合行为的影响。

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The key influence factor on the performance of DQ spherical catalyst had been described. The synthetic process and recipe, the stereo specificity and the activity of the catalyst had all been improved.

分析了影响DQ催化剂性能的关键因素，改进了DQ催化剂的制备工艺及配方，提高了DQ催化剂的立体定向性及聚合反应活性。

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The effectiveness of seven-channel spherical catalyst is 0. 2369~ 0.3550. The average absolute deviation between the calculated effectiveness and those of experiments is 8.22%.

模拟结果表明七孔球形催化剂效率因子从0.2369到0.3550之间，与实验值相比较，平均相对误差8.22%；

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Three-robed catalyst: Spherical catalyst: In addition, internal and external effective wetting of porous catalyst in a rotating packed bed was considered in the same system.

此外，在相同的实验体系中，通过稳态降阶示踪剂法对旋转床内催化剂颗粒内外部的有效润湿进行研究，实测气液流量和转子转速对催化剂表面润湿率的影响。

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Spherical Catalyst DQ-1 for Propylene Polymerization

球形催化剂DQ-1的丙烯聚合行为

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In order to improve the stereospecificity of DQ spherical catalyst, the synthetic process and recipe of the catalyst had been studied.

为了解决DQ催化剂立体定向性方面存在的问题，对DQ催化剂的合成工艺及配方进行了研究。

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Spherical catalyst HDC for propylene polymerization

HDC高效球形催化剂用于丙烯聚合

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The influences of spherical catalyst pellets with δ-function activity profiles on the selectivity of multi-component parallel reactions were studied.

本文分析了活性具有δ&函数分布的多孔球形催化剂对多组分平行竞争反应选择性的影响。

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Polymerization of Propylene on TiCl_4/ MgCl_2 Spherical Catalyst

球形TiCl4/MgCl2催化剂催化丙烯聚合

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Spherical Catalyst DQ-1 for Polypropylene

聚丙烯球形催化剂DQ-1

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On the properties of a_ ( 110-5q) spherical catalyst for ammonia synthesis

A（110-5Q）球形氨合成催化剂性能的初步考察

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Studies on the surface characterization of spherical catalyst of ammonia synthesis by scanning auger microprobe

扫描俄歇微探针对氨合成球形催化剂表面特征的研究

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Studies on Spherical Catalyst in Ethylene Copolymerization

球形催化剂的乙烯共聚合研究

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Commercial trial of HDC spherical catalyst in batch bulk polypropylene unit

HDC球形催化剂在间歇式本体丙烯聚合装置上的工业应用

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