1) accelerated deactivation
催速失活
1.
Deactivation kinetics of AB-97 alkylation zeolite was studied in a plug flow reactor by means of accelerated deactivation.
用催速失活的方法研究了AB -97分子筛催化剂的失活动力学。
2) power series equation
催化剂失活速度常数
1.
The pragmatical significance of power series equations is emphasized for the more practical macrokinetics.
对重庆市化工研究院进行的3种气-固相催化反应的宏观反应速度常数与催化剂失活速度常数进行测定,其值如下
3) catalyst deactivation
催化剂失活
1.
The recycle of catalyst and the cause of catalyst deactivation were studied.
催化剂失活的原因在于,原料中以及反应过程中产生的水对催化剂结构有破坏作用;另外,反应过程中产生的重组分副产物对催化剂的配合或包裹是造成催化剂失活的主要原因。
2.
Factors of catalyst deactivation for straight-run gasoline aromatization upgrading have been tested and studied and the result shows that nitride,water-soluble alkali in the feedstock and catalyst coking in the re- action process are the main factors.
对石脑油芳构化改质催化剂失活的因素分别进行了研究,结果表明:原料油中的氮化物、原料油含有水溶性碱类物质及反应过程中催化剂的结焦是导致石脑油芳构化改质催化剂失活的主要因素。
3.
Progress in research of catalyst deactivation in ethylbenzene dehydrogenation was reviewed.
对乙苯脱氢制苯乙烯催化剂失活的研究进展进行了综述,分析了催化剂的活性相,分别探讨了积碳、钾的流失与重新分布、Fe3+的还原、催化剂物理结构的变化和中毒等5个因素对催化剂失活的影响及其失活机理,其中,钾的流失和Fe3+的还原是造成催化剂失活的重要因素。
4) deactivation of catalyst
催化剂失活
1.
Based on test and analysis of Chinese - made Pd/C catalyst used in terephthalic acid plants , the causes for deactivation of catalyst were discovered : block of the micro pores of catalysts by organics , cover of active component Pd by organics , sulfur intoxication , and decrease of Pd crystallites dispersion degree due to its large size.
对在工业装置上使用的国产钯碳催化剂进行了测试和分析,发现导致催化剂失活的原因是:催化剂微孔被有 机物堵塞,活性组分钯被有机物覆盖,硫中毒和钯晶粒长大而使其分散度降低。
5) Deactivated Catalyst
失活催化剂
1.
Study on the Determination of Metal Impurities in Deactivated Catalyst;
失活催化剂中金属杂质测定方法研究
6) deactivation
[di:ækti'veiʃən]
催化剂失活
1.
The causes for deactivation of the catalysts for liquid-phase hydrogenation of furfural to furfurol were investigated by means of XRF, XRD and SEM.
结果表明,催化剂失活的主要原因是糠醛加氢过程中生成的高聚物附着在催化剂的活性表面。
2.
The performance of the novel reactor is compared with that of theconventional fixed-bed reactor using the mathematical model of fixed-bed reactor withcatalyst,deactivation.
利用催化剂失活的固定床反应器的数学模型和在分子筛催化剂上苯气相乙基化过程的失活动力学模型,对常规固定床反应器和变床层高度固定床反应器的性能进行了比较,表明变床层高度固定床反应器对延长反应器操作周期和改善反应选择性均有显著作用。
3.
Deactivation of AF-5 zeolite during alkylation of benzene with ethylene is studied by means of a adiabatic fixed-bed laboratory reactor.
在和工业反应器类似的操作条件下系统测定了由催化剂失活引起的乙烯转化率随操作时间的变化。
补充资料:X染色体失活
X染色体失活
参看里昂假说。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条