Effluent Treatment Plants for the Textile & Dyeing Industry

Textile and dyeing operations are the largest single source of industrial water pollution in Pakistan, according to the Pakistan Environmental Protection Agency, largely due to high colour load, BOD/COD, and chemical residues from dyeing and finishing processes. Universal Aqua Engineering designs effluent treatment systems specifically suited to these challenges.

The challenge

Treatment challenges specific to textile effluent

High colour load requiring chemical coagulation and flocculation (CEPT) for effective removal.

Elevated BOD/COD from dyes, sizing agents and finishing chemicals.

Variable flow and composition across dyeing, printing and finishing stages.

Our approach

How we treat it

01

CEPT

Chemically enhanced primary treatment for colour and suspended solids removal.

02

DAF pretreatment

Dissolved air flotation as a pretreatment stage.

03

Biological treatment

Activated sludge or extended aeration for organic load reduction.

Export compliance

NEQS and export frameworks

Many Pakistani textile exporters are required to meet international environmental frameworks such as ZDHC (Zero Discharge of Hazardous Chemicals) in addition to NEQS. A well-designed ETP supports both regulatory compliance and buyer/export requirements; talk to us about your specific compliance needs.

Questions

Frequently asked questions

Textile and dyeing processes generate wastewater with high colour, BOD/COD and chemical content that must be treated before discharge to meet NEQS limits and avoid environmental harm.

ZDHC (Zero Discharge of Hazardous Chemicals) is an international programme many global apparel brands require their suppliers to follow, covering wastewater quality among other things. It works alongside, not instead of, Pakistan's own NEQS requirements.

Cost depends on production volume, dye and chemical usage, and required effluent quality. Contact us for a site-specific assessment.

Delivered for

Textile & dyeing plants we've treated

Kohinoor Textile Mills Ltd, Rawalpindi — wastewater treatment plant, 300,000 gpd capacity

MIMA Knit Pvt. Ltd., Karachi — ETP (CEPT + EAAS), 250 cum/day capacity

Lucky Knit, Kathore — sewage treatment plant (EAAS), 50 cum/day capacity

See our full project history on the Clientele page.

Treating textile effluent, done right

Tell us about your dyeing and finishing processes, and we will design an ETP suited to your effluent.