Leather waste water for pharmaceutical 1, the company specifically for leather waste water treatment independent research and development of high-tech products. The agent can effectively improve the interface temperature of leather waste water, so that the colloidal particles within the sewage loss of a strong repulsive force and attractiveness, and ultimately lose stability and the formation of flocs, and further through the chemical bridge, the final completion of the sewage in a variety of Organic separation and separation of harmful impurities, shorten the separation time, can be miscible with water, and in a wide range of pH value.