The biggest characteristic of Chinese herbal medicine wastewater is that it contains high chroma. It may be the sewage mixed with a lot of herbs. We take the chroma of sewage water as an index, and the degree of hydrolysis is one of the indicators affecting decolorization of flocculant. In the experimental study, we found that with the increase of hydrolysis degree, the decolorization effect is also constantly improved, when the decolorization effect reaches the maximum When the value is high, the decolorization effect does not rise but decreases.
Environmental conditions also have certain influence on the decolorization effect of decolorizing flocculants. In our experiment, we found that the use of Decolorizing Flocculant has the best effect when the pH of Chinese medicine wastewater is neutral. The specific sewage test of each manufacturer shall prevail
The wastewater from the production of traditional Chinese medicine mainly comes from the washing of medicinal materials, equipment cleaning and cooking of medicinal materials. In the sewage, there are a large number of drug residues, detergents, various plant fibers and animal fibers. The COD value of the wastewater is high and has a high chroma. It is one of the wastewater difficult to treat in all industries. Decolorizing Flocculant is used to treat the wastewater with high concentration and high color Wastewater treatment, can be more perfect to remove the color of sewage, in addition, the water for COD, BOD also has excellent removal rate.
