Wastewater Treatment Defoamer & Antifoam Supplier | INVINO®
Foam behavior changes with the treatment stage, surfactant load, aeration intensity and water chemistry. INVINO® supplies wastewater treatment defoamer and antifoam grades for activated sludge and SBR basins, MBR systems, industrial effluent, cooling and circulating water, landfill leachate, and high-salinity thermal treatment.
Compare silicone emulsion, polyether and non-silicone candidates by treatment stage. Final selection should use the lowest effective dose confirmed by beaker, aeration and site testing, together with TDS/SDS review and checks relevant to the process, membrane and discharge requirements.
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Key Application Areas for Wastewater Defoamers
Controls foam in cooling towers, power-plant backwater, and high-flow circulation loops — keeping heat exchange efficient and metering pumps running freely.
For activated sludge basins, sequencing batch reactors (SBR) and biological tanks. Verify the selected grade and dose by monitoring respiration, settling or SVI, foam rebound and effluent quality.
For MBR trials, high-salinity multi-stage flash (MSF) desalination, vacuum filtration and high-anionic chemical effluent. Review silicone restrictions and downstream compatibility for each system.
Select a Defoamer by Treatment Stage
Use this table to shortlist chemistry and define the validation plan before continuous dosing.
| Treatment stage | Shortlist | Verify | Test approach |
|---|---|---|---|
| Activated sludge / SBR | Silicone emulsion or compatible aqueous grade | Respiration, settling or SVI, foam rebound, effluent | Beaker plus aeration test; start at the lowest effective dose |
| MBR | Non-silicone or polyether candidate, or a compatible low-residue grade | Membrane material, TMP, flux, permeate quality | Compatibility and fouling trial before continuous dosing |
| Chemical / industrial effluent | Silicone or polyether according to surfactant load, pH and temperature | COD contribution, separation and downstream process compatibility | Compare blank and treated water across a dose ladder |
| Cooling / circulating water | Silicone emulsion candidate for rapid knockdown and persistence | Heat exchange, carryover and circulating-water chemistry | Loop simulation or an onsite side-stream trial |
INVINO® Wastewater Treatment Antifoam Products
| PRODUCT CODE | INGREDIENT | ACTIVE SOLID (%) | Application / Best For | TECHNICAL FILES |
|---|---|---|---|---|
| INVINO-1920 | Silicone Emulsion | 30.0±1.0 | Industrial circulating cooling towers, thermal heat-exchange water loops, and continuous processing backwater channels. | DOWNLOAD |
| INVINO-2430 | Silicone Emulsion | 30.0±1.0 | High-charge anionic wastewater neutralization pools, chemical plant effluent basins, and corrosive industrial systems. | DOWNLOAD |
| INVINO-5023 | Silicone Emulsion (Modified) | 25.0±1.0 | Candidate for biological aeration, activated sludge and SBR loops. Confirm the lowest effective dose and monitor respiration, settling or SVI, foam rebound and effluent. | DOWNLOAD |
| INVINO-4000 | Non-Ionic EO/PO Block Copolymer | 100% | High-concentration landfill leachate, multi-effect evaporator and MBR trials; confirm compatibility and track TMP, flux and permeate quality. | DOWNLOAD |
| INVINO-103 | Alkylene Oxide Block Copolymer | 100% | High-salinity desalination evaporators, multi-stage flash (MSF) distillation tubes, and high-vacuum thermal treatment elements. | DOWNLOAD |
| INVINO-1920B | Silicone Emulsion | 30.0±1.0 | General municipal water treatment, secondary auxiliary manufacturing loops, and basic collection reservoirs. | DOWNLOAD |
Frequently Asked Questions (FAQ)
Q: How should I select a defoamer for activated sludge or SBR treatment?
A: Shortlist a compatible chemistry, then compare a blank and treated sample in beaker and aeration tests. Use the lowest effective dose and monitor respiration, settling or SVI, foam rebound and effluent quality during the site trial.
Q: Does wastewater defoamer increase COD or BOD?
A: The contribution depends on the chemistry, dose and wastewater matrix. Compare blank and treated samples at the lowest effective dose, and include COD or BOD checks when discharge limits or downstream biology make them relevant.
Q: Is a wastewater antifoam suitable for MBR systems?
A: No grade is universally suitable for every MBR. Review the membrane material and supplier guidance, run a compatibility and fouling trial, and track transmembrane pressure (TMP), flux and permeate quality before continuous dosing.
Q: How long does the defoaming effect last in an aeration tank?
A: Persistence varies with foam load, aeration shear, feed variation, temperature and dosing point. Determine the interval in an aeration or onsite trial and adjust the feed rate from observed foam rebound rather than assuming a fixed cycle.
Q: Where should wastewater defoamer be injected?
A: A turbulent point upstream of the foam zone often improves dispersion, but the best location depends on retention time and process layout. Compare candidate points during the site trial and avoid stagnant dead zones.
Request Your Wastewater Defoamer Solution
Standard Protocol for Industrial Water Sample Verification
System Parameter Submission
Share your wastewater source (e.g. landfill leachate), shear level, temperature, and target pH.
Free Lab Test (Cyclic Bubbling + COD Check)
Send us your wastewater and our lab runs a dynamic bubbling test and a secondary COD check to match a grade — free of charge.
Free Sample Dispatch
Free trial samples ship via air express for on-site testing. No MOQ at sample stage; buyer covers freight, refunded on the first bulk order.
