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Paint and Coatings Wastewater Treatment: Achieving 92% COD and 99% TSS Reduction

2 June 2026
Paint and Coatings wastewater treatment system reducing COD and TSS levels

Paint and Coatings Wastewater Treatment Solutions for Regulatory Compliance

The paint and coatings industry generates wastewater containing high levels of Chemical Oxygen Demand (COD), turbidity, suspended solids, and other contaminants. Without effective treatment, these pollutants can lead to environmental non-compliance, costly municipal fines, production interruptions, and operational risks.

Advanced wastewater treatment technologies can significantly reduce pollutant levels while creating opportunities for water reuse, improved sustainability, and long-term cost savings. Blue Reef Water Solutions provides specialised treatment programmes designed to address the unique challenges faced by the paint and coatings sector.

Challenges in Paint and Coatings Wastewater Management

Wastewater from paint and coatings manufacturing processes is often complex and highly variable. The presence of pigments, resins, additives, solvents, and suspended solids makes treatment particularly challenging.

Common issues include:

  • High COD levels
  • Elevated Total Suspended Solids (TSS)
  • Excessive turbidity
  • Regulatory non-compliance
  • Municipal penalties and discharge restrictions
  • Increased operational downtime

Without an effective treatment strategy, these challenges can negatively impact production efficiency and profitability.

Case Study: Restoring Compliance for a Paint and Coatings Manufacturer

A leading paint and coatings manufacturer faced a critical situation when its effluent discharge repeatedly exceeded allowable COD and TSS limits. Continuous notices from municipal authorities and escalating fines placed the company at risk of operational shutdown.

Blue Reef Water Solutions partnered with the manufacturer to develop a tailored wastewater treatment programme. Our technical team conducted comprehensive effluent analyses to identify the specific chemical characteristics of the wastewater stream.

Using this data-driven approach, we designed a customised treatment solution incorporating specialised Blue Reef technologies, treatment chemistries, and dosing systems engineered for high-load industrial applications.

Results Achieved

The implementation of the treatment programme delivered exceptional performance:

  • 92% reduction in COD
  • 99% reduction in TSS
  • Improved discharge compliance
  • Reduced risk of municipal penalties
  • Enhanced operational sustainability

These results enabled the manufacturer to maintain production while meeting environmental discharge requirements.

Advanced Treatment Solutions for Paint and Coatings Wastewater

Blue Reef Water Solutions offers advanced treatment systems specifically developed for the paint and coatings industry. Our solutions effectively reduce key wastewater parameters and help facilities comply with environmental regulations.

PSP-L50P Coagulant Technology

Recommended Dosage: 2,000–5,000 ppm

PSP-L50P is a specialised coagulant designed for the clarification of raw water and industrial wastewater streams. It is particularly effective in treating wastewater with high concentrations of suspended solids, making it ideal for paint and coatings applications.

Key benefits include:

  • Effective suspended solids removal
  • Improved clarification performance
  • Minimal increase in Total Dissolved Solids (TDS)
  • Enhanced treatment efficiency

LSF Series Flocculants

Recommended Dosage: 5–10 ppm

The LSF Series consists of high-performance polyacrylamide-based flocculants used for post-clarification treatment of industrial effluent streams.

Benefits include:

  • Enhanced particle aggregation
  • Improved settling and clarification
  • Reduced turbidity levels
  • Increased treatment plant efficiency

Sustainable Paint and Coatings Wastewater Treatment

By implementing the right treatment technologies, paint and coatings manufacturers can reduce environmental impact, achieve regulatory compliance, and unlock opportunities for treated water reuse. Effective wastewater management not only protects operations from fines and shutdowns but also supports long-term sustainability objectives.

Blue Reef Water Solutions delivers customised treatment programmes that help manufacturers overcome complex wastewater challenges and achieve consistent, measurable results.

Why Effective Wastewater Treatment Matters

Effective wastewater treatment is essential for the paint and coatings industry to maintain compliance, protect the environment, and reduce operating costs. By implementing tailored treatment programmes, manufacturers can improve water quality, minimise discharge risks, and support long-term sustainability initiatives.

Contact Blue Reef Water Solutions

Looking for a reliable wastewater treatment solution for your paint and coatings facility? Contact Blue Reef Water Solutions at to discuss a customised treatment programme designed to improve compliance, reduce costs, and enhance sustainability.

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