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ScaleFree NP is a high-performance, environmentally responsible antiscalant formulated without phosphates or phosphonates. It is specifically engineered to prevent the formation and deposition of mineral scales such as calcium carbonate, calcium sulfate, barium sulfate, and iron fouling in reverse osmosis (RO) systems, SWRO Seawater Reverse Osmosis plants, cooling towers, and various industrial water circuits.
Utilizing a proprietary blend of low molecular weight polyacrylic and polymaleic acids along with sulfonated dispersants, ScaleFree NP offers superior threshold inhibition and crystal distortion. This allows for extended operational time, reduced downtime, and improved membrane efficiency—all while meeting stringent environmental regulations by eliminating phosphorus discharge.
Reverse Osmosis (RO) and Nanofiltration (NF) systems
Cooling water systems
Boiler feedwater pretreatment
Industrial water circuits (desalination, power plants, refineries)
Where phosphorus discharge limits are enforced
RO antiscant
Scaling is caused in membranes because the level of hardness salts in the water becomes highly concentrated as it passes through the RO unit. In smaller units scale formation can be prevented by base exchange softening the make-up water but for larger systems that is very expensive. We have developed a range of easy to handle, cost effective RO Antiscalant which increase the solubility of the hardness salts so they remain in solution rather than forming scale on the membrane. Our cost effective RO antiscalants will inhibit a wide range of foulants including: calcium carbonate, calcium sulphate, barium sulphate, strontium sulphate, calcium fluoride, silica and iron.
RO Antiscalants are dosed directly to the RO feed water tank or feed water line (after pretreatment) at the recommended dosage of 1-3 mg/L and maximum dosage at 8mg/L, subject to inlet water quality and parameters is respect of Calcium Hardness, Iron, TDS, Alkalinity, pH and silica content. Maximum dilution should be 10% with RO or DI water for temperature less than 30 deg C. For higher temperature the dilution ratio can increase.
Key Features and Benefits
It reduces the risk of scaling and eliminates the use of hazardous acids,resulting in efficient plant operation with highest possible conversion rate.
It is a very effective antiscalant . It is also compatible with RO CHEMICALS series of coagulant and flocculants (polyelectrolytes). Our RO Antiscalant (HIGH PH) is effective in minimizing scaling in presence of foulants like Calcium Carbonate, Sulfate salts of Calcium, Barium, Strontium and Magnesium, Calcium Fluoride, Iron and Silica.
Key Features and Benefits
Application and Dosage
Our RO Antiscalant (HIGH PH) is dosed directly to the RO feed water tank or feed water line (after pretreatment) at the minimum recommended dosage of 1ppm and maximum dosage at 15ppm, subject to inlet water quality and parameters is respect of Calcium Hardness, Iron, TDS, Alkalinity, pH and silica content.
In case of high iron content of about 0.5 to 1.0ppm, the dosing has to be increased by 10-15ppm for stabilizing Calcium.
At about 10-15ppm dosage our RO Antiscalant (HIGH PH) is capable of fully inhibiting iron and calcium, and silica up to 166ppm. For higher silica content RXSOL ANTISCALANT should be used.
Antiscalant RO RXSOL-33-3302-025
Antiscalant C.I ALKA RXSOL-33-2034-025
Membrane Antiscalant ALKA 191T RXSOL-33-3321-030
Antiscalant ORG EV 2030 RXSOL-33-3325-230
Antiscalant RXSOL ORG EV RXSOL-33-3327
Phosphorus-Free – Complies with discharge regulations, prevents eutrophication
Effective Scale Control – Inhibits calcium, barium, strontium, and iron scales
Membrane Compatible – Safe for use with all major RO membrane brands
Biodegradable Components – Environmentally sustainable formulation
Broad pH Range – Effective performance from pH 5.5 to 9.0
Low Dosage Requirement – Economical and efficient use
ALIFOS LS / Antifouling Disp / rochem membrane cleaner d For Membrance Preservation, Antiscalant WTC 501, Phosphorous Free Antiscalant, Antiscalant LF
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No Phosphorous water circulation system manufacturer and supplier in India UAE Oman Sudan Kenya Yemen. Antiscalant for COLD and HOT water circulation system major supplier in Mumabi, Fujairah, Muscat, Nairobi, Kolkata, Chennai, Visakhapatnam, Gandhidham Surat Gujrat, Andhrapradesh, Tamilnadu, Westbengal, Dubai, Sharjah, Ajman, Abudhabi, Ruwi, Fujairah, Barka