DEACTIVATION

作品数:152被引量:433H指数:10
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相关领域:理学更多>>
相关作者:辛峰杨何平沙国河冷静李绍芬更多>>
相关机构:胡斯可国际股份有限公司中国科学院天津大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金天津市自然科学基金更多>>
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A comprehensive review of deactivation and modification of selective catalytic reaction catalysts installed in cement kilns
《Journal of Environmental Sciences》2025年第2期451-467,共17页Yang Zheng Yi Xing Guoliang Li Jiajia Gao Rui Li Qi Liu Tao Yue 
supported by the Basic Research Business Fund Grant Program for University of Science and Technology Beijing (No.0650);the Fundamental Research Funds for the Central Universities (No.FRF-TP-22-091A1);the Interdisciplinary Research Project for Young Teachers of USTB (Fundamental Research Funds for the Central Universities) (No.FRF-IDRY-22-010).
After the ultralow emission transformation of coal-fired power plants,cement production became China’s leading industrial emission source of nitrogen oxides.Flue gas dust contents at the outlet of cement kiln preheat...
关键词:Cement Flue Gas NH_(3)-SCR CaO Poisoning Mechanism Anti-poisoning Modification 
Thermal stable Pt clusters anchored by K/TiO_(2)—Al_(2)O_(3)for efficient cycloalkane dehydrogenation
《Chinese Journal of Chemical Engineering》2024年第8期187-198,共12页Zhendong Wang Bofeng Zhang Guozhu Liu Xiangwen Zhang 
supported by the National Natural Science Foundation of China(22025802)。
Catalytic dehydrogenation of cycloalkanes is considered a valuable endothermic process for alleviating the thermal barrier issue of hypersonic vehicles.However,conventional Pt-based catalysts often face the severe pro...
关键词:Cycloalkane dehydrogenation Pt clusters Oxygen vacancy defects COKING Stability DEACTIVATION 
Understanding the catalytic performance and deactivation behaviour of second-promoter doped Pt/WO_(χ)/γ-Al_(2)O_(3) catalysts in the glycerol hydrogenolysis for selective and cleaner production of 1,3-propanediol
《Journal of Energy Chemistry》2024年第7期486-507,共22页Rafik Rajjak Shaikh Sittichai Damruang Rais Ahmad Khan Supareak Praserthdam Piyasan Praserthdam 
funded by the National Research Council of Thailand (NRCT);the Second Century Foundation (C2F),Chulalongkorn University,Thailand;Researcher Supporting Project RSP2024RR400,King Saud University,Saudi Arabia
The selective aqueous-phase glycerol hydrogenolysis is a promising reaction to produce commercially useful 1,3-propanediol(1,3-PDO).The Pt-WOx bifunctional catalyst can catalyse the glycerol hydrogenol-ysis but the ca...
关键词:Glycerol hydrogenolysis 1 3-PROPANEDIOL Metal-support interaction Second promoter Liquid phase Catalyst deactivation 
Poisoning effect of polyvinyl chloride on the catalytic pyrolysis of mixed plastics over zeolites
《Science China Chemistry》2024年第7期2265-2273,共9页Jiangchun Yuan Wenjie Wang Weixiao Sun Zhirong Yang Yueqiang Cao Wenyao Chen Xiaohu Ge Gang Qian Xiang Feng Xuezhi Duan Xinggui Zhou Kevin M.Van Geem Jing Zhang 
supported by the National Natural Science Foundation of China(21991103,21991104,22008074,22378117);the Fundamental Research Funds for the Central Universities。
Nowadays,the chemical recycling is applied for only 1%of total waste plastics,largely due to contaminants in plastic waste and difficulty in product control.As the major contaminant,polyvinyl chloride(PVC)often forms ...
关键词:polyvinyl chloride POLYETHYLENE ZEOLITE AROMATICS DEACTIVATION 
Shedding light on the reversible deactivation of carbon-supported single-atom catalysts in hydrogenation reaction被引量:1
《Nano Research》2024年第6期4807-4814,共8页Runze Chen Xiaoying Wang Jianfei Dang Songjie Yun Liqiang Wang Fangong Kong You-Nian Liu 
the National Natural Science Foundation of China(Nos.22008221 and 22238013);the Foundation of State Key Laboratory of Biobased Material and Green Papermaking,Qilu University of Technology,Shandong Academy of Sciences(No.GZKF202010).
Carbon-supported single-atom catalysts were found to suffer reversible deactivation in catalytic hydrogenation,but the mechanism is still unclear.Herein,nitro compounds hydrogenation catalyzed by N-doped carbon-suppor...
关键词:single-atom catalysts porous carbon support reversible deactivation mechanistic study hydrogenation reaction 
Deactivation induced by metal sulfate over MnCeOx catalyst in NH_(3)-SCR reaction at low temperature
《Journal of Rare Earths》2024年第6期1056-1065,I0002,共11页Qiao Xie Dongqi An Linsen Zhou Tingzhen Li Zhenghua Hu Menghan Chen Menglan Ma Lei Zhang Jingfang Sun Lin Dong 
Project supported by the National Natural Science Foundation of China(21607019);the Scientific andTechnological Research Program of Chongqing Municipal Education Commission(KJQN202101242,KJQN202001227);the Science andTechnology Project of Wanzhou(wzstc-2019034);the Open Project Program of Key Laboratory of Water Environment Evolution andPollution Control in the Three Gorges Reservoir(WEPKL2019ZD-04);the Project Program of Chongqing Postgraduate Research andInnovation(CYS21489)。
Sulfate adsorption is one of the factors that cause the poisoning of catalyst in the low-temperature NH_(3) selective catalytic reduction reaction(NH_(3)-SCR).In this paper,by controlling the co-adsorption time of SO_...
关键词:NH_(3)selective catalytic reduction MnCeOx catalyst SULFATION Low-temperature activity SO_(2)poisoning Rare earths 
Towards the insights into the deactivation behavior of acetylene hydrogenation catalyst被引量:2
《Petroleum Science》2024年第2期1405-1414,共10页Hai-Xia Su Yang Jiao Jian-Gong Shi Zhi-Wei Yuan Di Zhang Xu-Peng Wang Jing Ren Dan Liu Jian-Zhou Gui Hai-Yang Gao Xiao-Li Xu 
the financial support from the Sinopec Catalyst Co.Ltd.,China。
A series of model catalysts were obtained by treating commercial fresh and spent catalysts unloaded from the factory with different methods, including green oil dipping, extraction and high-temperature regeneration;fi...
关键词:ACETYLENE HYDROGENATION Green oil Carbon deposit SINTERING Catalyst deactivation 
Effect of Fe Addition on Dehydrogenation Performance of Methylcyclohexance over Pt/Al_(2)O_(3)
《China Petroleum Processing & Petrochemical Technology》2024年第1期12-18,共7页Tong Fengya Tian Hao Wang Hao Miao Changxi Song Lei 
Catalysts with varying Fe contents were prepared using a sequential impregnation method to investigate the effects of Fe addition on the physicochemical properties of Pt/Al_(2)O_(3) and their performance in methylcycl...
关键词:methylcyclohexane dehydrogenation hydrogen storage DEACTIVATION Fe addition 
A critical review towards the causes of the iron-based catalysts deactivation mechanisms in the selective oxidation of hydrogen sulfide to elemental sulfur from biogas被引量:1
《Journal of Energy Chemistry》2024年第3期388-411,I0010,共25页Mostafa Tarek Janaina S.Santos Victor Márquez Mohammad Fereidooni Mohammad Yazdanpanah Supareak Praserthdam Piyasan Praserthdam 
supported by Thailand Science Research and Innovation Fund Chulalongkorn University,Thailand(IND66210014)。
Hydrogen sulfide(H_(2)S) not only presents significant environmental concerns but also induces severe corrosion in industrial equipment,even at low concentrations.Among various technologies,the selective oxidation of ...
关键词:Selective oxidation of H_(2)S Iron-based Catalysts Mechanism of deactivation Sulfur or sulfate deposition Transformation of iron species Sintering SDG 7 
Aggregation-induced emission polymers via reversible-deactivation radical polymerization Special Collection:Distinguished Australian Researchers
《Aggregate》2024年第1期16-46,共31页Nicholas Kai Shiang Teo Bo Fan Aditya Ardana San H.Thang 
Australian Research Council,Grant/Award Number:CE200100009。
Aggregation-induced emission(AIE)is a unique phenomenon whereby aggregation of molecules induces fluorescence emission as opposed to the more commonly known aggregation-caused quenching(ACQ).AIE has the potential to b...
关键词:aggregation-induced emission atom transfer radical polymerization nitroxide-mediated polymerization reversible addition–fragmentation chain transfer reversible-deactivation radical polymerization 
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