Antifoam Defoamer AF10

Product code RXSOL-51-2066-220

Generic name
PREMIUM ANTIFOAM SEA WATER DESALINATION
Pack size
Newly developed antifoam for seawater distillation plants.
Unit
Kg.Liq
Quantity per unit
220.00

New Generation with advanced formulation Antifoam Defoamer AF10 is a highly effective liquid product formulated to control foaming and priming in seawater distillation plants. Antifoam Defoamer  AF10 has proven effectiveness during many years use in distillation plants throughout the world.

Antifoam for Seawater Desalination systems or other aqueous systems by RXSOL is a high-performance antifoam formulation based on a synergistic blend of modified alcohols and polymerised glycol ethers, specifically developed to control foam formation in seawater intake, pretreatment, and desalination systems.

The product rapidly collapses existing foam while providing extended foam suppression in seawater streams containing natural organic matter, algae-derived surfactants, hydrocarbons, biological contaminants, and suspended solids. The combination of fast-acting antifoam component and persistent foam-control properties of the polymerised glycol ether delivers both immediate knockdown and long-lasting antifoam performance.

The product is designed for continuous or intermittent injection into seawater make-up lines to minimize operational problems associated with foaming in desalination plants.

Application

The foaming tendency of seawater in distillation plants is unpredictable. It is generally thought that foam is formed when organic compounds are concentrated in the brine, giving rise to surface active effects which increase the liquid film strength at phase interfaces. Antifoam Defoamer AF10 is not soluble in water. At use concentrations (0.05 - 0.1 mg/l) Antifoam Defoamer AF10 forms a micro-emulsion and during evaporation is incorporated into the surface liquid film of bubbles where it acts as a surfactant and reduces the film strength. The result is that the film readily ruptures and a stable foam does not form. In this way a uniform boiling or flashing action is achieved and carry-over is minimised.

Where to use ANTIFOAM AF10 for foam knockdown?

Desalination Plants
  • Reverse Osmosis (RO) Plants
  • Multi-Stage Flash (MSF) Plants
  • Multi-Effect Distillation (MED) Plants
  • Hybrid Desalination Facilities
Seawater Systems
  • Intake Channels
  • Seawater Make-up Lines
  • Pumping Stations
  • Equalization Basins
  • Clarifiers
  • Dissolved Air Flotation (DAF) Units
  • Pretreatment Systems
Industrial Water Systems
  • Power Plant Cooling Water Intakes
  • Refinery Seawater Systems
  • Petrochemical Facilities
  • Offshore Platforms
  • LNG Terminals

Technical Specifications

 

Appearance Clear to Pale Yellow Liquid

Water content
4-5% w/w
Aqueous Emulsion Ready dispersible white milky emulsion
Specific Gravity at 25°/25°C 1
Odour Slight
Specific Gravity <1
Saponifaction Value 11-15 mg KOH/g

Other Names

BELITE AF10 AntiFoam for SeaWater Distillation, Hydrex 9223 Antifoam For Desalination Unit 210 Ltr, Antifoam Seawater Desalination, Silicon Free Antifoam, Silicon Free Defoamer

Useful Area

How RXSOL ANTIFOAM AF 10 for DESALINATION PLANTS is beneficial for effective foam knockdown?
 
Dual Action Foam Control
  • Instant foam collapse through modified polyol action.
  • Long-term foam suppression through polymerised poly glycol ether technology.
Fast Dispersion
  • Rapid distribution throughout seawater systems.
  • Immediate contact with foam-generating zones.
Extended Foam Prevention
  • Reduces re-formation of foam after treatment.
  • Maintains stable process conditions.
Improved Plant Reliability
  • Minimizes overflow and air entrainment.
  • Reduces process interruptions.
Excellent Seawater Compatibility
  • Effective across a wide salinity range.
  • Suitable for open seawater intake systems.
Low Fouling Characteristics
  • Non-silicone formulation.
  • Minimal risk of membrane fouling compared with conventional silicone antifoams.
Easy Dosing
  • Suitable for automated dosing systems.
  • Can be continuously injected using standard metering pumps.

Industrial Area

What causes foam in aqueous systems like desalination plants?

Foam formation in seawater is typically caused by naturally occurring surfactants generated from:
  • Algae and plankton
  • Organic decomposition products
  • Hydrocarbon contamination
  • Biological activity
  • Turbulent mixing and aeration

Quick foam knockdown plus extended foam prevention properties in RXSOL Antifoam AF10

Parameter Performance
Foam Knockdown Speed Excellent
Foam Suppression Duration Excellent
Seawater Compatibility Excellent
Non-Silicone Performance Excellent
Residue Formation Very Low
Membrane Compatibility Good
Continuous Dosing Suitability Excellent

Precautions & Remarks

Low dose levels, typically in the range 0.05 to 0.1 mg/l in the seawater feed stream, depending on feed water quality. Activity is not dependent on temperature. No need to alter dose level if top brine temperature (TBT) changes. Negligible steam volatility and carry over into the distillate.

RXSOL-51-2066-220 is antifoam emulsion and its more concentrated antifoam emulsion. It has excellent candidates for controlling foam in amine and glycol dehydration units. This is suitable products for gas plants and have excellent stability in the presence of salts, resulting in reduced deposits on the plant’s equipment. RXSOL-51-2066-220  help preserves foam control under the severe conditions of a dehydrating unit. These conditions can remove water from other antifoam emulsions, rendering them immediately inactive.

Identification

#Antifoam_Defoamer
#Defoamer_ManufacturerSupplier

#Antifoam_for_Seawater_Distillation_Plants_in_UAE

#Antifoam_for_Seawater_Distillation_Plants_in_OMAN

#Antifoam_for_Seawater_Distillation_Plants_in_INDIA

#AntifoamM8ManufacturerinDubai

#AntifoamM8ManufacturerinSohar

Keywords

DESALINATION PLANTS ( ANTISCALANT & ANTIFOAM )  PRODUCT DESCRIPTION FEATURES & BENEFITS
 
RXSOL-33-3325-230 is a ANTISCALANT & ANTIFOLUANT FOR MULTISTAGE FLASH DISTILLATION PLANTS : Premium product, a neutralized antiscalant/antifoulant for use in MSF units operating at high temperature.
 
RXSOL-16-2066-200 is a ANTIFOAM SEA WATER DISTILLATION : Highly effective antifoam for seawater distillation plants.

Supply Locations

Antifoam Defoamer Elite M8 manufacturer, exporter and supplier in India Mumbai, Kolkata, Chennai, Vizag, Gandhidham, Surat, UAE Middle East Dubai, Sharjah, Ajman, ABudhabi, Iraq, Kuwait, Oman Muscat Barka, Canada

Dosage

Antifoam Defoamer AF10 can be used to control foaming in all types of seawater distillation plant and is particularly suitable for use in multi-stage flash plants. Antifoam Defoamer AF10 is a formulated product containing ethylene oxide / propylene oxide block copolymer.  Antifoam Defoamer AF10 is typically dosed as a 1% w/w emulsion in distillate prepared as follows:
  • Add 50% - 70% of required distillate volume into dosing tank;
  • Start the dosing tank agitator/mixer;
  • Add the required Antifoam Defoamer AF10 volume into the dosing tank;
  • Add the remaining volume of distillate to give the required concentration of Antifoam Defoamer AF10 solution;
  • Continue agitation for a further 10 - 15 minutes;
  • The resulting emulsion will be stable and will not normally separate

The dose level required will depend on the quality of the seawater feed (e.g. dissolved organics, suspended solids) but is typically found to be in the range 0.05 to 0.1 mg/l and is subject to optimisation as operating experience is gained. Dose level is not dependent on operating temperature of the distillation plant. Recommended injection points are either into the seawater make-up line after any external de-aeration and decarbonation equipment, or into the recycle brine stream at a suitable point after the blowdown and typically into the discharge of the recycle brine pump.

General-purpose antifoams have a wide range of applicability, but not all of them are suitable for use in the treatment. Some foam control agents can aggravate the problem. Foam control in gas scrubbers is only one of the process parameters to be monitored. It is equally important to prevent or slow the fouling of the unit, because dismantling of the gas-scrubbing units is manually intensive. Incorrectly specified antifoams can easily lead to increased fouling and clogging, particularly in the heat exchangers. Momentive Performance Materials RXSOL antifoams are designed to provide foam control with a minimum of such problems.

 

Dosing for Desalination plants/aqueous systems

Actual dosage requirements depends upon:
  • Organic loading
  • Algal concentration
  • Turbulence level
  • Intake water quality
  • Seasonal variations
Application Condition Recommended Dosage
Normal Operation 0.5 - 5 ppm
Moderate Foaming 2 - 10 ppm
Severe Foaming 5 - 20 ppm
Shock Treatment 10 - 50 ppm