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.
The downstream of the hydrazine hydrate industry chain is mainly in chemical, pharmaceutical, pesticide, power, water treatment, aerospace and other industries.Hydrazine hydrate, also known as hydrazine hydrate, pure product appearance for colorless transparent oily liquid, a light ammonia taste, to