deactivation of catalyst
英
美
网络 催化剂失活
双语例句
- Study on deactivation of hybrid catalyst for dimethyl ether direct synthesis from syngas in a fixed-bed reactor
固定床合成气一步合成二甲醚复合催化剂失活现象的研究 - In this paper, the research on the catalytic distillation process of alkylation of benzene with ethylene, aiming at slowing down the deactivation of the catalyst, has been reported.
针对苯烃化催化精馏过程，围绕减缓催化剂失活的问题，采用过程数学模拟与试验研究相结合的方法，考察了进料苯烯物质的量比对过程结果和催化剂失活的影响。 - This process is endothermic with rapid carbon deposition and deactivation of the catalyst.
此过程是吸热的，同时很快发生碳积沉并使催化剂活性减低。 - Deactivation of TS-1 catalyst for one-step production of phenol by oxidation of benzene with hydrogen peroxide
苯一步法制苯酚反应中TS-1催化剂失活研究 - The deactivation of the catalyst of furfural decarbonylation is mainly due to carbon deposition attached to the catalyst surface, it leads to the active site embedded, so the catalyst losed activity.
糠醛脱羰催化剂失活的主要原因是大量积碳附着于催化剂表面使活性中心被包埋从而使催化剂失去活性。 - Investigation on Deactivation Reasons of Catalyst for FCC Light Gasoline Etherification
催化裂化轻汽油醚化催化剂失活原因考察 - The results of commercial tests showed that the main reason of temporary deactivation of catalyst was the adsorption of organics and covering of organics on the active sites of the catalyst.
工业试验结果表明，大分子有机物吸附和覆盖了催化剂活性中心是催化剂暂时性失活的主要原因。 - Through these research, the deactivation of catalyst had been studied about alkylation of benzene with long chain alkenes in supercritical phase.
通过这些研究工作，研究超临界状态下苯与烷烯混合烃烷基化反应的固体酸催化剂失活规律。 - Because of much higher ratio of SO 2 to O 2 and operation pressure, the conversion in the first bed was so high as to cause deactivation of catalyst.
由于SO2经加压干燥空气稀释后的氧硫比较高、压力较大，一段转化率过高，催化剂存在烧毁的危险。 - To find the reason for gradual deactivation of zeolite catalyst in the pilot test making ethylbenzene from FCC off gas by catalytic distillation technology, some simulation experiments were carried out and the deactivated catalyst was examined by GC-MS.
针对催化精馏法炼厂干气制乙苯模试试验中存在的沸石催化剂缓慢失活现象，在固定床反应器上考察了低润湿率时催化剂失活情况，对失活催化剂进行了GC-MS分析。 - The selectivity to benzene and naphthalene in liquid products showed different tendency with the deactivation of catalyst.
在973K下，液体产品中苯的选择性与萘的选择性随着催化剂的失活呈现不同的变化趋势。 - The active sites and deactivation of NKC-03A catalyst for ethanol dehydration to ethylene have been studied by means of TPD, IR, SEM, ESR and BET methods.
用TPD，IR，SEM，BET，ESR，MR和碳氢元素分析方法，研究了NKC-03A催化剂对乙醇脱水制乙烯反应的活性位和失活规律。 - The results reveal that sulfur poisoning, carbon deposition, growth of copper particles and deposition of impurities cause the deactivation of catalyst for methanol synthesis.
结果表明，硫中毒、积炭、铜粒长大和杂质金属沉积等是造成甲醇合成催化剂失活的因素。 - Study on Product Distribution and Deactivation of TiO_2 Catalyst in Gas Phase Photocatalytic Oxidation of Trichloroethylene
TiO2气相光催化氧化降解三氯乙烯的产物分布及失活机理研究 - Study on Deactivation of Catalyst for Selective Oxidation of Hydrogen from Ethylbenzene Dehydrogenation
乙苯脱氢-氢选择性氧化催化剂失活机理的研究 - A liquid phase catalytic oxidation process was carried out continuously for 223 hours and no deactivation of the catalyst was observed during the period.
试验中注意到了催化剂的流失，实验结果表明是可以被忽略的。对催化剂还进行了223小时连续处理偏二甲肼废水水相催化氧化试验，催化剂仍保持着稳定的催化活性。 - The deactivation of zeolite catalyst QZ-2000 was researched in phenol installation of Jilin Petrochemical Company.
对吉林石化公司双苯厂苯酚丙酮装置异丙苯单元中使用的QZ-2000分子筛催化剂的失活问题进行了研究。 - Study on Deactivation of Catalyst for Amination of Fatty Alcohols
脂肪醇胺化催化剂失活的研究 - Catalyst is the most important factor in catalytic pyrolysis method. In this paper, the factors such as selection, preparation, grain size, deactivation of catalyst etc which have effects on the growth rate, diameter, density, content of CNTs are studied.
在催化裂解法中最重要的是催化剂，主要从催化剂的选取、制备、颗粒大小、失活等方面对碳纳米管生长速度、管径、密度、产物含量的影响进行浅析。 - The deactivation of catalyst for propene hydration etherification was discussed in three aspects: coke deposition, loss of the modifier as well as hydrothermal condition.
从积炭、改性剂流失和水热效应3个方面探讨了丙烯水合醚化催化剂的失活原因。 - Deactivation of catalyst in benzene alkylation with propene under different reaction conditions
不同条件下苯与丙烯烷基化反应的催化剂失活研究 - After the second cycle, the activity, selectivity and rate of deactivation of the catalyst remained almost unchanged.
二次再生的催化剂同一次再生的基本保持了相同的活性和选择性。 - Study on the deactivation of zeolite catalyst during alkylation of benzene with olefins
苯与烯烃烷基化反应过程中催化剂失活的研究 - The control of deactivation of catalyst and development of long life catalyst
催化剂失活的控制及长寿命催化剂的开发 - The morphological analysis by X-ray diffraction and XPS showed that the deactivation of catalyst was attributed to the leaching of chloride ion.
通过XRD、XPS、SEM及CO-TPD表征分析表明，氯离子的流失是催化剂失活的主要原因； - TPR studies on the deactivation of Cr-containing catalyst in the full oxidation of toluene
甲苯完全氧化反应中含铬催化剂的TPR研究 - The deactivation of the catalyst is not due to coke formation but Pt sintering in the presence of O2.
催化剂的失活不是因为积碳而是因为Pt聚集引起的。 - However, Fe3+ is activation center of ethylbenzene dehydrogenation, thus excess reduction will cause deactivation of catalyst. Hence, a certain ratio of Fe3+ to Fe2+ could make catalytic activity excellent.
但Fe3+是乙苯脱氢的活性位，过度还原会导致催化剂失活，所以Fe3+与Fe2+达到一定比例时，反应活性最大。 - Causes of deactivation of the catalyst were analyzed systematically.
本研究对催化剂失活的原因进行了系统的分析，提出了催化剂的再生方法。