Polyether Polyol Defoamer for Papermaking Black Liquor Wastewater Treatment, 25L/200L Plastic Drums

Product Specifications

Polyether Polyol Defoamer: Solving Black Liquor Wastewater Foaming Challenges in Papermaking

We’ve witnessed countless papermaking facilities struggle with persistent foam in black liquor wastewater treatment—foam that disrupts filtration systems, reduces processing efficiency, and even leads to equipment downtime. Traditional defoamers often either fail to control foam in alkaline conditions or leave residues that complicate subsequent treatment steps. In our 10+ years serving paper mills across Asia and Europe, this remains one of the most frustrating operational hurdles.

Stable Defoaming Performance for Papermaking Black Liquor

Our Polyether Polyol Defoamer is engineered to address these specific challenges. As a non-ionic surfactant with controlled viscosity (200~1000MPa.S) and neutral pH (7-8), it delivers rapid foam suppression and long-lasting antifoaming action even in the high-temperature, high-alkalinity environment of black liquor systems. Unlike silicone-based alternatives, its transparent liquid form ensures no staining or residue buildup on processing equipment, maintaining the integrity of your wastewater treatment流程. With our flexible production system, we can fulfill small-batch trial orders (starting from 25L) within 7-15 days, allowing you to validate performance before full-scale deployment.

Key Applications in Papermaking Wastewater Treatment

This defoamer finds primary application in the aerobic and anaerobic treatment stages of papermaking black liquor, where organic matter decomposition generates persistent foam. It is also effective in pulp washing processes and wastewater recirculation systems, where foam can reduce heat transfer efficiency and contaminate recycled water. The product’s versatility extends to other industrial wastewater scenarios with similar foam characteristics, making it a valuable addition to any chemical treatment portfolio.

Critical Parameters for Optimal Defoaming Efficacy

The non-ionic nature of this defoamer is crucial for compatibility with both cationic and anionic additives commonly used in papermaking, preventing undesirable chemical interactions that could compromise treatment efficiency. Its viscosity range (200~1000MPa.S) ensures easy dilution and uniform dispersion in water-based systems, while the 7-8 pH guarantees stability in the alkaline conditions typical of black liquor (pH 10-12). The one-year shelf life under cool, dry storage conditions minimizes product waste and ensures consistent performance from first to last use.

Benefits of Choosing Our Polyether Polyol Defoamer

Using a substandard defoamer can cost papermills significantly through increased chemical usage, equipment maintenance, and production delays. Our product, manufactured under strict quality control protocols, reduces these risks by providing reliable foam control at lower dosage rates. The 25L and 200L plastic drum packaging options minimize storage space requirements while ensuring product freshness. As a factory-direct supplier with 15,000 tons/year production capacity, we guarantee consistent supply even during peak demand periods, eliminating the operational disruptions caused by material shortages.

Our Commitment to Quality and Reliability

Certificate of Analysis & Documentation

Each order includes a batch-specific COA and Material Safety Data Sheet (MSDS) containing handling precautions, storage guidelines, and emergency procedures. For customers requiring additional documentation, we can provide detailed product specifications and compatibility charts with common papermaking chemicals upon request.

Storage & Handling

• Store in a cool, dry, well-ventilated area, sealed and away from direct sunlight.
• Keep away from incompatible materials, food and feed sources.
• Handle with appropriate personal protective equipment (gloves, goggles, lab coat).
• Follow good industrial hygiene practices. Avoid inhalation and skin contact.
• Refer to MSDS for detailed storage and safety instructions.

Streamlined Order Process for Your Convenience

To place an order, simply contact our sales team with your required quantity and delivery timeframe. We offer sample quantities (25L) for performance testing, with bulk pricing available for 200L and larger orders. All shipments include proper labeling and documentation for regulatory compliance. Our customer service team responds to inquiries within 24 hours, ensuring your procurement process proceeds without unnecessary delays.

Frequently Asked Questions