How can dyes and pigments suppliers avoid polluting the environment?

dyes and pigments suppliers can reduce pollution through the following methods:
cleaner production
Adopting waterless printing technology (such as transfer printing) and cold rolling pile pretreatment technology to reduce water consumption and pollutant emissions. Cotton fabric treatment can use enzymatic techniques such as cellulase water washing and amylase desizing to reduce the use of chemical agents.  ‌
Environmentally friendly dye substitution
Gradually phasing out dyes containing carcinogenic aromatic amines, prioritizing the use of highly efficient reactive dyes and natural dyes (such as those extracted from plants), and reducing the use of heavy metals and formaldehyde.  ‌
waste gas treatment
The volatile organic compounds (VOCs) generated during production can be treated through technologies such as water spray towers, activated carbon adsorption, and catalytic combustion to ensure compliance with emission standards.  ‌
RESOURCE RECYCLING
Recycling dye, alkaline solution and other resources from dye wastewater, using ultrafiltration to recover reducing dyes, and achieving waste liquid recycling.  ‌