TECHNOLOGIES
Nenner Haeuser leverages cutting-edge water treatment technologies to deliver comprehensive solutions that meet the most demanding industrial and municipal requirements. Our integrated approach combines proven methodologies with innovative engineering to ensure optimal performance, sustainability, and cost-effectiveness.
Our Core Technologies
Advanced treatment solutions engineered for optimal performance and sustainability

Modular batch reactors for municipal/domestic and industrial wastewater with enhanced nutrient removal and energy efficiency.
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TRI3-O® represents the new standard in spent caustic treatment, combining innovative technologies in a compact, efficient system that transforms one of industry's most challenging waste streams into treatable water.
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LOCONIL is an innovative sludge treatment system for sludge volume reduction, enhanced dewatering and improved sludge stabilization.
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Mid-load reactors for medium-sized food facilities, handling COD up to 50,000 mg/L and TSS-rich wastewater.
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Innovative anaerobic reactor achieving 99% COD removal, ideal for high-COD effluents (200,000+ mg/L) and TSS (50,000+ mg/L).
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AnoxyMedia™ reactors ensure high COD removal with compact design, ideal for robust industrial effluent treatment.
Learn MoreWhy Nenner Haeuser?
Industry-leading expertise and innovative solutions
Single-Source Accountability
Turnkey delivery from process, mechanical and automation teams for seamless project execution
Proven Excellence
Successful implementations across food & beverage, petrochemical, pulp & paper and municipal sectors
Modular Approach
Reducing construction risks, accelerating commissioning and simplifying future expansion
Ready to future‑proof your water operations?
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