Treatment of three wastes in alcohol precipitation stage of traditional Chinese medicine extraction workshop

1, the first is the main treatment wastewater, that is, the wastewater generated in the process, for example, drug washing wastewater, concentrated wastewater from extraction section, etc. , for high concentration wastewater;

2. Auxiliary engineering wastewater, ground and equipment cleaning wastewater, pure water preparation wastewater, circulating cooling water, boiler softening wastewater, etc. , medium concentration;

No.3 and No.3 wastewater is daily life and initial rainwater, and the wastewater concentration is low.