It can treat wastewater containing organic matter from sewage treatment plants, especially phenolic compounds and acidic organic compounds containing benzene rings; It can undergo quaternization reactions to form quaternary ammonium salts, which can be used for precious metal extraction and as phase transfer catalysts, and can also be used as extractants for pharmaceutical intermediates; In precious metal refining, it can be used as an extractant to extract lanthanides, nickel, cobalt, actinides, and other precious metals, and also has applications in the rare earth industry; It can also be used as a metal corrosion inhibitor and detergent for metal surface treatment.
