糠醛树脂化结焦是导致催化剂失活的主要原因。
Resinification of furfur al on the catalyst was the main cause of deactivation.
同时，研究发现焦化二甲苯中含有二甲基噻吩硫化物是致使离子液体催化剂失活的主要因素。
Dimethylthiophene was found to be one of the toxic components in coking xylene lead to the deactivation of ILs catalyst.
另外，在反应过程中，催化剂部分晶相发生破坏以及晶胞尺寸的增大，也对其失活有一定的作用。
Meanwhile, part of crystalline disaggregation and increase of crystalline size are also due to the catalysts deactivation.
分析了导致催化剂失活的原因以及催化剂的再生方法。
The reason resulted in catalyst deactivation and the regeneration of catalyst was analyzed.
催化反应的转化率和选择性以及催化剂本身的失活速率均对温度十分敏感。
Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature - sensitive.
基于催化剂高温失活机理，分析了不同快速老化方法对催化剂劣化强度的影响。
Based on the mechanism of catalyst deactivation at high temperature, the effect of accelerated aging method on deactivation was studied.
对3-羟基丙醛加氢催化剂的失活原因进行了研究。
The deactivation of hydrogenation catalyst of 3 - hydroxy propionic aldehyde was studied.
并对催化剂的使用寿命和失活机理进行了考察。
The lifetime of the catalysts and the mechanism of deactivation were also investigated.
从生产mtbe的各种催化树脂的使用、消耗情况出发，分析了催化剂失活的主要原因，并针对性地提出了相应的解决措施。
On the basis of application and consumption of various resins catalysts for MTBE production, the causes of deactivation of MTBE catalyst were analyzed and corrective measures were recommended.
讨论了固体超强酸催化剂理论及催化剂现代表征方法，催化剂酸中心形成、失活机理，固体超强酸催化剂的应用。
Catalytic theory of solid superacid catalysts and modern analysis methods for the catalysts, structure of acidic centers, mechanisms of deactivation, applications of solid superacid are discussed.
对常温COS水解催化剂的失活与再生进行了研究。
The deactivation and regeneration of ambient temperature COS hydrolysis catalyst were studied.
结果表明，保护床催化剂失活的主要原因是原料中的有机碱性氮化物引起的树脂催化剂交换容量的损失。
It was found that loss of exchange capacity of the resin catalyst caused by basic nitrates was the main cause behind the deactivation.
提出了一个新的基于原料性质和操作条件的裂解催化剂失活模型。
A new catalyst deactivation model was also put forward, which based on feed properties and operating conditions.
探讨了催化剂的失活机理。
重点介绍了代替浓硫酸催化该反应的固体酸催化剂、催化剂的失活与再生、反应器工业化的方法的进展。
The progress in the solid acid catalyst for the replacement of corrosive sulfuric acid, catalyst deactivation and regeneration, and reactor engineering was introduced.
重点介绍了影响该工艺过程工业化的关键问题———催化剂失活的原因和改进措施。
The key problem affecting the industrialization of this process, catalyst deactivation, and the measures to solve this problem are discussed in detail.
通过对实验数据的处理，得到了该模型的反应级数、速率常数、表观活化能以及催化剂失活因子等参数。
According to experimental results, the model parameters, such as the order of reaction, the rate constants, the apparent activation energy and the inactivation factor of catalyst were obtained.
催化剂因积炭失活后，可通过器内烧焦再生使催化剂活性得到恢复，降低了生产成本。
After deactivation due to coking, catalyst could be regenerated by in-situ regeneration so as to reduce producing cost.
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。
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.
考察了催化剂的重复使用效果，探讨了催化剂的失活原因。
Reuse of the catalyst has been studied and the reason of deactivation has been discussed.
并对催化剂的失活原因进行了初步探讨。
介绍目前国内外对羰基硫水解催化剂机理及催化剂失活原因的研究进展与发展趋势。
This paper introduces the progress and development tendency of the researches in catalytic mechanism and deactivation phenomenon of COS hydrolysis catalyst at home and abroad.
针对甲烷化催化剂中毒失活的原因，介绍改用J107型甲烷化催化剂升温还原和开车情况。
In accordance with the cause of deactivation of methanation catalyst, a summary of heating up, reduction and test run of J107 catalyst is introduced.
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。
The results showed that adhesion of higher polymers formed during the hydrogenation process onto surface of the catalyst was the main cause for deactivation of the catalyst.
积炭是引起催化剂失活的主要原因。
积炭是引起催化剂失活的主要原因。
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