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- However,the conversion of NB was influenced by the presence of DNB,and the deactivation of catalyst became rapid in the presence of DNB. 但与单纯的硝基苯加氢过程相比,间二硝基苯的加入使催化剂的失活加快,催化剂的比表面积随催化剂上积碳量的增加而线性下降。
- 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。
- It is indicated that both the coverage of the bulkier molecules in active centre of catalyst and the loss of the active component in catalyst by the reaction of chloric species with water in feed contribute to the deactivation of catalyst. 通过对失活催化剂的分析发现,在苯与烯烃烷基化反应中,固载化AlCl_3催化剂的失活主要是因为反应过程中生成的大分子物质覆盖在催化剂的活性中心上,以及担载在催化剂上的含氯活性物种的流失和原料中的水使催化剂活性组分分解所致。
- The metho ds of regeneration and preventing deactivation of catalysts are reviewed briefly . 简要介绍了催化剂的再生和防失活等方面的技术。
- The deactivation of a device, program, or system. 使一个设备、程序或系统停止工作。
- DEACTIVATION OF CATALYST FOR HYDROGENATION OF C_3 FRACTION IN LIQUID PHASE AND COUNTERMEASURES 碳三液相加氢催化剂失活原因的分析及对策
- Keywords aerogel;xerogel;stability;carbon deposition;sintering of nickel crystallite;deactivation of catalyst; 干凝胶;气凝胶;稳定性;积碳;烧结;催化剂失活;
- Keywords Pd/C catalyst;purification of terephthalic acid;4-CBA;deactivation of catalyst;catalyst token; 钯碳催化剂;对苯二甲酸精制;4-CBA;催化剂失活;催化剂表征;
- deactivation of catalyst [化] 催化剂减活作用
- Research %26 Development of Catalyst and Refinery of Feul Oil. 燃料油精制工艺及催化剂的研究与发展。
- The activity of catalyst depends on the loading amount of Cu. 催化剂中Cu的担载量是影响催化剂的活性的一个重要因素，在0-4.;35%25的范围内，伴随着担载量的增加，吲哚的选择率同步增加。
- 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。
- Initial temperature of catalyst bed is wholly too high. 提高起始反应温度使催化剂床层温度整体过高导致飞温。
- Coke deactivation of alkylation catalyst exhibited independent deactivation mechanism basically in supercritical phase. 反应器出口与入口处催化剂结焦量相近，在超临界条件下烷基化反应催化剂结焦失活基本上符合独立失活机制。
- Study on Reaction Kinetics of Coke Deposition and Deactivation of Catalysts 催化剂积炭失活宏观反应动力学的研究
- 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。
- Investigation was made on activity variance and deactivation of reforming catalyst. 介绍了所用催化剂以及工艺流程的概况。
- A proper amount of catalyst will speed up the reaction. 添加适量的催化剂，会加快反应的速度。
- The coking and deactivation of virgin naphtha aromatization catalyst are studied on isothermal reactor. 利用等温固定床反应器研究了直馏汽油芳构化改质催化剂的结焦失活规律。
- Shuttle Tydirium requesting deactivation of the deflector shield. 运货船请求消除防护罩
