Project Description

Defoamer for Wastewater Treatment | High-Performance Solutions for Efficient Water Treatment

Water treatment processes often face significant foam challenges that can disrupt operational efficiency and increase costs. Foam in wastewater treatment systems, caused by detergents, surfactants, and other chemicals, can lead to poor performance, equipment damage, and environmental concerns. To overcome these challenges, INVINO® wastewater treatment antifoams are specifically designed to control foam in various wastewater treatment processes, including industrial water, biochemical sewage, and desalination treatments.

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Defoamer for Wastewater Treatment

Key Application Areas for Wastewater Defoamers

Our solutions are engineered for specific applications within the water treatment industry. Find your specific solution below.

Industrial Circulating Water Treatment

Controlling foam in large-scale industrial water systems (like cooling towers and circulating water) is essential for ensuring smooth operations and high treatment efficiency.

View Circulating Water Defoamer Solutions

Biochemical & Sewage Treatment

Effective foam control in biological treatment systems (like activated sludge, MBR, and SBR) is key. Our defoamers prevent foam build-up, ensure accurate dosing, and maintain system stability.

View Biological Sewage Defoamer Solutions

Other Water Treatment Applications

We also provide specialized defoamers for complex processes such as Anionic Wastewater Treatment, Landfill Leachate, and Desalination Treatment to ensure optimal performance.

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INVINO® Wastewater Treatment Antifoam Products

PRODUCT CODE INGREDIENT ACTIVE SOLID (%) APPLICATION TDS
INVINO-1920 Silicone 30.0±1.0 Industrial circulating water treatment DOWNLOAD
INVINO-2430 Silicone 20.0±1.0 Anionic wastewater treatment DOWNLOAD
INVINO-5023 Non-Silicone 25.0±1.0 Biochemical aerated sewage treatment DOWNLOAD
INVINO-4000 Non-Silicone 100 landfill leachate DOWNLOAD
INVINO-103 Non-Silicone 100 Desalination treatment DOWNLOAD
INVINO-1920 Silicone 30.0±1.0 Water treatment in other industries DOWNLOAD

Technical Guide: Foam Causes & Defoamer Selection

Understanding the root cause of foam (e.g., biological vs. chemical) and the technical criteria for selecting the right product is key. Our experts have prepared a comprehensive guide to help you.

Read our Guide: What Causes Foaming in Wastewater Treatment?

Frequently Asked Questions (FAQ)

Q: Will the defoamer affect the activity of the activated sludge (bacteria)?
No. Our wastewater defoamers are formulated to be biologically inert. They effectively control foam without inhibiting the growth or metabolic activity of aerobic/anaerobic bacteria, preserving the health of your biological treatment system.
Q: Does adding defoamer increase the COD or BOD values of the effluent?
The impact is negligible. Due to the high efficiency and low dosage rate (typically 10-100 ppm) of our products, they do not significantly contribute to the Chemical Oxygen Demand (COD) or BOD load in the final discharge.
Q: Is it safe for Membrane Bioreactor (MBR) systems?
For MBR systems, we recommend our specialized **non-silicone** or **modified polyether** series. Unlike traditional silicone oils which can cause irreversible membrane fouling, these grades are water-dispersible and safe for UF/RO membranes.
Q: How long does the defoaming effect last in aeration tanks?
Our products typically offer "Long-Lasting Hold." Even under continuous, intense aeration and agitation, the defoamer maintains its surface tension properties, preventing foam regeneration for extended periods compared to standard agents.
Q: Where is the best injection point for the defoamer?
The ideal dosing point is usually at the turbulence zone where foam starts to generate, such as the inlet of the aeration basin or the effluent channel. We recommend using a metering pump for continuous, automated dosing to maximize efficiency.


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