Research progress on nitrification of aromatic compounds catalyzed by ionic liquids
Liu Yueming1, Liu Chen1, 2, Liu Ran1, Zhang Ke1, Zhang Juan1, Zhao Dishun1
1. Hebei Science and Technology University, New Energy International Joint Laboratory of Hebei Science and Technology University- South AfricaUniversity, Shijiazhuang 050018, China; 2. Shijiazhuang Technology and Information Vocational College, Shijiazhuang 050000, China
The nitrification products of aromatic compounds are widely used in industry. The traditional nitrification reaction process was using concentrated sulfuric acid as catalyst. Although the operation condition is mature, it has strong corrosivity and is difficult to treat. In recent years, as the study of green catalysts, the green catalytic nitrification system which could replace the traditional nitrification system of mixed acid has attracted wide research interests. So, using new green functional ionic liquids as environment-friendly nitrification catalyst for realizing green and clean nitrification reaction become a research hotspot. The research progress of ionic liquids used in aromatics nitration reaction was reviewed, and the ionic liquids showed an ideal green catalytic prospect.
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