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Chemcial Industry and Engineering 2024, Vol. 41 Issue (2) :35-46    DOI: 10.13353/j.issn.1004.9533.20230807
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Intrinsic safety method for synthesis of aniline and toluene diamine
DING Xiaoshu, REN Xiaoliang, LIU Wei, GUO Liming, WANG Shufang, ZHAO Xinqiang, WANG Yanji
School of Chemical Engineering, Hebei University of Technology, Tianjin 300401, China

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Abstract The current process of catalytic hydrogenation of nitrobenzene and dinitrotoluene to produce aniline and toluene diamine have the drawbacks of safety hazards and low utilization rate of catalyst metal atoms. To deal with these problems, we suggest a reaction system with the intrinsic safety, environmentally friendly which reduces the amount of catalytic precious metals based on the atomic-scale features of supported metal catalysts and liquid-organic hydrogen carrier. This paper reports some catalysts and evaluates the catalytic performance of toluene diamine, such as the preparation method of stainless steel-based single-atom platinum metal catalyst and its application in the hydrogenation of nitrobenzene, a catalyst for the coupled liquid phase reaction of dinitrotoluene hydrogenation-isopropanol dehydrogenation with isopropanol as the hydrogen source to synthesize toluene diamine, active metal sintered membrane reactor and liquid-phase micro-continuous flow catalytic hydrogenation synthesis of aniline and toluene diamine, and preparation of nanotube (pit) array platinum catalyst on zirconium-based materials and synthesis of toluenediamine. It provides the basis for green and safe production of aniline and toluenediamine.
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Articles by authors
DING Xiaoshu
REN Xiaoliang
LIU Wei
GUO Liming
WANG Shufang
ZHAO Xinqiang
WANG Yanji
Keywordsatomic scale   metal catalyst   toluene diamine   isopropanol   micro-continuous flow   intrinsic safety     
Received 2023-09-07;
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DING Xiaoshu, REN Xiaoliang, LIU Wei, GUO Liming, WANG Shufang, ZHAO Xinqiang, WANG Yanji.Intrinsic safety method for synthesis of aniline and toluene diamine[J]  Chemcial Industry and Engineering, 2024,V41(2): 35-46
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