The ketorenazone method, also known as Bergbau-Bayer-Whiffen method, was developed in the 1960s. It was first patented by Bergbau-Farsching, a subsidiary of the German Coal Mining Association. The process was improved by Bayer and Whiffen & Sons. Respectively, in the mid 1970s, large-scale industrialization and rapid development, is actually an improvement of the original Lacey law.
Hydrazine hydrate, as an important fine chemical raw material, is mainly used in the synthesis of AC, D1PA, TSH and other foaming agents. Also used as boiler and reaction kettle deoxidation and carbon dioxide cleaning treatment agent; In the pharmaceutical industry for the production of anti-tuber