Crack the printing and dyeing wastewater treatment wisdom,lead the textile industry green moving future
Printing and dyeing industry is an industry with large water consumption in textile industry. Wa?ter is used as a media to participate in the whole dyeing and finishing process. Printing and dyeing wastewa?ter has the characteristics of large water quantity, high chromaticity and complex components. Wastewater contains dyes, slurries, additives, oils, acids and bases, fiber impurities and inorganic salts. Heavy metal ele?ments such as nitro and amino compounds and copper, chromium, zinc and arsenic are highly toxic in the structure of dyes, which seriously pollute the environment. The prevention and treatment of pollution of print?ing and dyeing wastewater deserves the attention of the people in the field.