Russian Pigment Manufacturing Plant Achieves 95% Color Removal Using CW-05 Dicyandiamide Wastewater Treatment

Project Overview

A leading pigment manufacturing facility in Russia faced persistent challenges with high-colority wastewater discharge from its organic pigment production lines. The plant processes pigments for the coatings, plastics, and printing ink industries, generating approximately 500 cubic meters of colored wastewater daily. Local regulations required effluent color below 50 Pt-Co units before municipal discharge.

Client Background

The client is one of Russia's largest pigment producers, operating multiple lines for organic and inorganic pigments including phthalocyanine blue, azo red, and carbon black dispersions. Located near Moscow with strict water discharge permits, the facility's existing ferric chloride coagulation system was no longer sufficient to meet compliance targets as production capacity grew and environmental standards tightened.

The Challenge

Before implementing our solution, the client faced several interconnected problems:

• Inconsistent decolorization: Ferric chloride achieved only 60-70% color removal with significant variability across pigment batches
• High sludge volume: Over 2.5 tons of wet sludge per day, creating expensive disposal costs
• Excessive chemical costs: Required extensive pH correction with caustic soda and acid
• COD non-compliance: COD remained at 350-450 mg/L after treatment, exceeding the 200 mg/L limit
• Operational downtime: Frequent filter press blockages reduced throughput by 15%

Our Solution: Cleanwater CW-05

After on-site wastewater analysis and jar testing, our technical team recommended Cleanwater CW-05, a specialized dicyandiamide formaldehyde resin-based cationic polymer designed for pigment and dye wastewater treatment.

CW-05 Product Specifications Applied

The low-viscosity formulation of CW-05 enables easy pumping and automated dosing, while its high cationic charge density provides superior neutralization of negatively charged pigment particles. CW-05 was deployed at only 150-250 ppm, a significant reduction from the previous 500-800 ppm chemical consumption.

Implementation Process

1. System audit: Two-week comprehensive wastewater characterization across all production shifts
2. Laboratory testing: Jar tests to determine optimal dosage, mixing, and pH range
3. Pilot trial: One-month validation at 10% of full flow under real production conditions
4. Full-scale deployment: Automated dosing equipment integrated with existing clarification infrastructure
5. Operator training: Hands-on training for dosing optimization and troubleshooting
6. Performance monitoring: Weekly water quality KPIs tracked over three months

Results and Performance Data

Key Benefits Achieved

• Regulatory compliance: Effluent color consistently below 50 Pt-Co units, fully compliant with local discharge permits
• 68% reduction in sludge disposal costs: Lower volume reduced handling, transport, and landfill fees
• Simplified operation: Single-agent CW-05 replaced the multi-chemical ferric chloride system, reducing operator workload by 30%
• Improved throughput: Elimination of filter press blockages restored 15% of lost operational capacity
• Enhanced sustainability profile: Reduced chemical consumption and lower carbon footprint aligned with ESG goals

Client Testimonial

"Switching to Cleanwater CW-05 has transformed our wastewater treatment operation. We achieved full regulatory compliance while reducing chemical costs and sludge handling burden significantly. The technical support from the Cleanwater team throughout implementation was outstanding."

About Cleanwater Chemicals

Yixing Cleanwater Chemicals Co., Ltd. is located in Yixing, Jiangsu Province, China, adjacent to Shanghai — the economic, financial, and trade center of China. Our strategic location provides convenient transport connections with customers at home and abroad.

Our products, with strong capacities of decolorization and removal of COD and BOD, are mainly used for wastewater treatment across diverse industries including textile, printing, dyeing, paper-making, mining, and ink. In addition, our flocculant agents also serve as effective retention agents in the production process of paper and pulp.

Guided by our principle of "promptness, action, quality, and credit", we are committed to satisfying the demands of both domestic and international customers through high-quality products, reasonable pricing, prompt delivery, and consummate service.

Contact Information

• Website: water-treatmentchemical.com
• Email: joy@holly-tech.net
• WhatsApp: +8618061580037

Conclusion

The deployment of Cleanwater CW-05 at this Russian pigment facility demonstrates the effectiveness of specialized cationic polymer technology for challenging industrial wastewater. With 95% color removal, 70% COD reduction, and 68% less sludge, CW-05 delivered a comprehensive solution exceeding expectations across environmental compliance, operational efficiency, and total cost of ownership.

This case study showcases Cleanwater Chemicals' capability to provide targeted water treatment solutions for the pigment and dyestuff industry, backed by technical expertise and measurable results.