In the process of dyeing has elements related to the production process are fabric water, chemicals and dyes. Every manufactured product uses a lot of water so wastewater is the results of manufacturing systems includes dirt from fabric, chemicals and dye in the water.
Focus on dye affecting on health and environment example ; the hazard causes by dye , how does it damage to ecosystem etc. you can find these from research articles that I gave to you. The dye are difficult to remove from wastewater by biological treatment because cannot be