Project Description

Defoamer for Wastewater Treatment | Industrial Water Solutions

Water treatment processes often face significant foam challenges that disrupt operational boundaries, impair hydraulic drainage efficiency, and increase overall processing costs. Foam layer build-up within wastewater treatment systems, caused by high-affinity anionic surfactants, residual detergents, and organic impurities, yields poor sedimentation performance, equipment overflow damage, and stringent environmental discharge non-compliance.

To control these operational disruptions, INVINO® wastewater treatment antifoams are synthesized to regulate interfacial surface tension gradients without generating secondary chemical oxygen demand (COD) distortions. Our portfolio delivers continuous defoaming persistence across distinct aqueous sectors, including industrial circulating circuits, biological sewage basins, membrane bioreactors (MBR), landfill leachate processing cells, and thermal/RO desalination treatments.

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INVINO wastewater treatment antifoams addition during biological aeration sewage basin processing

Key Application Areas for Wastewater Defoamers

Industrial Circulating Water

Controls surface macro-foam accumulation in cooling towers, power plant backwater networks, and high-velocity circulation loops to maintain continuous heat exchange coefficients and unhindered metering pump volumes.

Biochemical Sewage Treatment

Secures stable macro-bubble collapse across activated sludge basins, sequencing batch reactors (SBR), and biological tanks without altering biomass sludge sedimentation rates or causing toxicological stress to micro-organisms.

Other Water Applications

Formulated for high-salinity multi-stage flash (MSF) desalination boilers, complex vacuum filtration cells, and heavy high-charge anionic chemical effluent plants where silicone carryover limits are strictly regulated.

INVINO® Wastewater Treatment Antifoam Products

PRODUCT CODE INGREDIENT ACTIVE SOLID (%) APPLICATION PARAMETERS TECHNICAL FILES
INVINO-1920 Modified PDMS Emulsion 30.0±1.0 Industrial circulating cooling towers, thermal heat-exchange water loops, and continuous processing backwater channels. DOWNLOAD
INVINO-2430 Organosilicone Composite 20.0±1.0 High-charge anionic wastewater neutralization pools, centralized chemical smelting plant effluent basins, and corrosive industry grids. DOWNLOAD
INVINO-5023 Non-Ionic Structural Emulsion 25.0±1.0 Biological aeration basins, activated sludge reactors, and sequential SBR loops; entirely safe from biomass toxicological decay. DOWNLOAD
INVINO-4000 Non-Ionic EO/PO Block Copolymer 100% High-concentration landfill leachate filtration lines, multi-effect evaporators, and vacuum dewatering setups requiring zero membrane fouling. DOWNLOAD
INVINO-103 Alkylene Oxide Block Copolymer 100% Severe high-salinity desalination evaporators, multi-stage flash (MSF) distillation tubes, and high-vacuum thermal treatment elements. DOWNLOAD
INVINO-1920B Modified PDMS Emulsion 30.0±1.0 General municipal water treatment layouts across secondary auxiliary manufacturing loops and basic collection reservoirs. DOWNLOAD
Technical Guide: Foam Causes & Defoamer Selection

Understanding the precise interfacial catalyst of industrial foam matrices (e.g., biological sludge filament overgrowth versus dynamic chemical surfactant loading weights) and tracking the regulatory compliance thresholds for allocating the molecular polymer backbone is vital. Read our field guide: What Causes Foaming in Wastewater Treatment?

Frequently Asked Questions (FAQ)

Q: Will the defoamer affect the activity of the activated sludge (bacteria)?

A: No. Our dedicated biochemical sewage grades, such as INVINO-5023, are formulated utilizing organic non-ionic active matters that possess completely bio-inert properties. They purge air matrices cleanly without degrading the respiratory rate or cell integrity of active biological sludge micro-organisms.

Q: Does adding defoamer increase the COD or BOD values of the effluent?

A: When evaluated inside calibrated industrial addition limits (10–100 PPM standard parameters), INVINO® antifoam agents undergo standard chemical trapping and separate cleanly into dry scum layers. This isolates the active compounds from adding fractional loading weights to downstream Chemical Oxygen Demand (COD) or Biochemical Oxygen Demand (BOD) discharge indices.

Q: Is it safe for Membrane Bioreactor (MBR) systems?

A: Yes. Traditional high-affinity mineral oils or heavy silicone fluids carry tendencies to foul PVDF/PES filter walls, plugging pores and reducing flux lines. Our customized non-silicone block polyether grade INVINO-4000 dissolves into the liquid fraction cleanly without building sticky resin layers on MBR membrane filters.

Q: How long does the defoaming effect last in aeration tanks?

A: Our structural formulations are calibrated with high alkali-tolerance and mechanical shear resistance profiles. This maximizes active bubble persistence, preventing premature compound emulsification and providing continuous chemical knockdown thresholds across full 24-hour aeration loops.

Q: Where is the best injection point for the defoamer?

A: To secure rapid macroscopic active dispersion boundaries, introduce the agent compound via continuous metering directly at the entrance weir of the pump cavity, or immediately before turbulent fluid drop junctions. Avoid dumping into dead zones with stagnant fluid layouts.

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Standard Protocol for Industrial Water Sample Verification

1
System Parameter Submission

Provide data tracking your wastewater source (e.g., landfill leachate), chemical shear limits, system fluid temperatures, and target pH baselines.

2
Laboratory Evaluation via Cyclic Bubbling & COD Verification

Our water application lab reviews your tech profile to compile a target grade countertype sheet, running dynamic cylinder bubbling and secondary COD filtration checks.

3
Physical Sample Freight Dispatch

Validated technical sample trial lots are shipped via expedited global express freight lines to support immediate onsite trial execution.


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    Free Sample & Lab Testing: Get a free sample and technical dosage report for your specific water/liquid system.