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Manufacturers, Exporters, Suppliers of High Silica RO Antiscalant
High Silica RO Antiscalant (Extreme Scale Control for 325 ppm Silica & High Iron Feedwater)
Silica doesn't dissolve — it deposits. And once it deposits on an RO membrane, it forms a glass-hard, amorphous layer that resists every conventional acid or alkaline cleaner. By the time plant operators notice the pressure drop, the damage is usually already permanent. Most generic antiscalants stop working effectively above 100–150 ppm concentrate silica. Innova Corporate (India) engineers High Silica RO Antiscalants for exactly the opposite scenario — the extreme end of the spectrum, where silica, iron, and LSI all peak at the same time.
Our formulation is a broad-spectrum antifoulant designed to inhibit inorganic scales, metal oxide fouling, and reactive silica polymerisation simultaneously. It delivers stable performance at silica levels up to 325 ppm in concentrate, iron levels up to 1.5 ppm in reject, and LSI values up to +2.5. That is a range conventional products simply cannot reach.
The result is not just scale prevention — it is recovery expansion. Plants that previously operated at 60–65% recovery to avoid silica risk can push operation to 75% or higher without compromising membrane integrity. Fewer CIP cycles, longer membrane life, and stable flux — three metrics that directly impact your bottom line.
Key Features & Strategic Advantages:
- Extreme Silica Inhibition: Effectively controls reactive silica up to 325 ppm in the concentrate stream — a range most antiscalants cannot handle.
- Iron Sequestration: Advanced formula prevents iron fouling by keeping metallic oxides in suspension, effective up to 1.5 ppm in reject.
- High LSI Tolerance: Stable performance at LSI values up to +2.5, ideal for high-hardness feedwater without acid dosing.
- Higher Recovery Rates: Enables systems to operate at 75%+ recovery without compromising membrane integrity — direct OPEX savings.
- Broad Spectrum Efficiency: Works across a wide range of pH, TDS, and high SDI water, plus compatibility with downstream coagulants and biocides.
- Low Dosage Efficiency: Concentrated formula with recommended dosage of 2–20 ppm (5–7 ppm for high iron water) — significant operational savings.
- Environmental Safety: Completely organic, biodegradable, and compatible with all Polyamide, TFC, and NF membranes.
- Reduced CIP Frequency: Drastically lowers chemical cleaning cycles, cutting downtime, labour, and chemical consumption.
- No Acid Dosing Required: Replaces hazardous acid dosing for LSI control — safer workplace, lower chemical handling risk.
- Potable Water Compliant: Certified and safe for use in systems producing drinking water from challenging feedwater sources.
Technical Specifications
| Parameter | Value / Description |
|---|---|
| Product Type | High Silica RO Antiscalant & Antifoulant |
| Appearance | Clear to pale yellow, free-flowing liquid |
| Odour | Mild, characteristic — non-offensive |
| pH (1% solution) | 2.0 to 3.5 |
| Specific Gravity (at 25°C) | 1.10 to 1.25 |
| Water Solubility | Completely soluble in all proportions |
| Chemical Type | Organic, broad-spectrum, super-threshold stabilizer |
| Silica Control | Up to 325 ppm in concentrate |
| Iron Control | Up to 1.5 ppm in reject |
| LSI Tolerance | Up to +2.5 |
| Recommended Dosage | 2–20 ppm (5–7 ppm for high iron water) |
| Foaming Tendency | Low — suitable for high-pressure RO systems |
| Storage Temperature | 5°C to 40°C — protect from direct sunlight |
| Shelf Life | 24 months from date of manufacturing |
| Packaging Options | 5L, 20L, 50L, 200L HDPE drums & IBC tanks |
Application & Dosage: The product should be dosed directly into the RO feed water tank or line, downstream of any pretreatment (filtration, softening, cartridge filtration). The dosage typically ranges from 2 ppm to 20 ppm, depending on the specific water chemistry — particularly Calcium Hardness, Alkalinity, and Silica content. For water with high iron (0.5 to 1.0 ppm), a dosage of 5–7 ppm is recommended to ensure full stabilisation.
Applications
| High-Silica Borewell Water | Feedwater with silica above 50 ppm requiring aggressive silica control |
| Industrial RO Plants | Textile, pharmaceutical, food processing, and power generation units |
| High LSI Water | Water with LSI above +1.5 requiring high-threshold scale inhibition |
| High Iron Water | Feedwater with iron levels 0.5–1.5 ppm in reject |
| Municipal & Surface Water | High SDI water from rivers, lakes, and municipal sources |
| High-Recovery Systems | RO plants operating above 75% recovery without scale issues |
| ZLD & MEE Plants | Pre-treatment stage for Zero Liquid Discharge systems |
| Desalination Pretreatment | Challenging SWRO and BWRO feedwater with high scaling potential |
Storage & Stability: Store in original, tightly sealed containers in a cool and dry environment. Protect from direct sunlight and heat sources to maintain chemical potency. For detailed application guidelines and safety protocols, please refer to the Technical Data Sheet (TDS) and Material Safety Data Sheet (MSDS).
Why Choose Innova Corporate
| Manufacturing Expertise | In-house production with strict quality control at every stage |
| Global Export Network | Serving Middle East, Africa, and Southeast Asia with reliable logistics |
| Technical Support | Free dosing guidance and water chemistry assessment from our Delhi team |
| Custom Formulations | Tailor-made silica antiscalant blends for extreme water chemistry challenges |
| Bulk Supply Capability | Consistent stock availability for high-volume industrial buyers |
| Competitive Pricing | Factory-direct rates with transparent, no-hidden-cost invoicing |
Pricing & Supply
| Starting Price | From ₹550 per litre (bulk order slabs apply) |
| Custom Pricing | Special rates for 200L+ drums, IBC tanks, and export consignments |
| Minimum Order Quantity | 20 litres (sample quantities available on request) |
| Delivery Timeline | Pan-India dispatch within 3–5 working days |
| Payment Terms | Flexible options for regular and export buyers |
| Export Packaging | UN-approved HDPE drums & IBC totes for international shipping |
Dosing & Handling Guidelines
| Dosing Point | Injected into RO feedwater upstream of the cartridge filter |
| Dilution | Can be dosed neat or diluted with demineralised water |
| Dosing Equipment | Standard chemical dosing pumps (PP/PVDF wetted parts) |
| Handling Safety | Use gloves and eye protection; avoid skin contact |
| Storage | Store in a cool, dry, ventilated area away from direct sun |
Frequently Asked Questions (FAQ)
| Q1. What is a High Silica RO Antiscalant? | A High Silica RO Antiscalant is a specialised liquid chemical dosed into RO feedwater to prevent the polymerisation and deposition of reactive silica on reverse osmosis membrane surfaces. It is designed specifically for feedwater with elevated silica concentrations — typically 50 ppm and above — where conventional antiscalants fail. |
| Q2. Why is silica scaling so difficult to remove from RO membranes? | Silica scale is a glass-hard, amorphous deposit that is highly resistant to both acid and alkaline cleaning agents. Once it polymerises on the membrane surface, it cannot be removed without damaging the membrane. Prevention through a specialised High Silica Antiscalant is the only practical solution. |
| Q3. At what silica concentration should I use this antiscalant? | As a general guideline, if your feedwater silica exceeds 50 ppm, or if your concentrate silica approaches 100 ppm at your designed recovery, you should use a High Silica Antiscalant. For silica above 150 ppm, a specialised high-capacity formulation is strongly recommended. |
| Q4. What is the recommended dosage? | The typical dosage ranges from 2 to 20 ppm in RO feedwater, depending on feedwater silica concentration, pH, temperature, recovery rate, and membrane type. For high iron water (0.5–1.0 ppm), a dosage of 5–7 ppm is recommended. Free site-specific guidance is provided by our technical team. |
| Q5. What silica level can this product handle? | Our High Silica RO Antiscalant effectively controls reactive silica up to 325 ppm in the concentrate stream — a range that most generic antiscalants cannot handle. |
| Q6. Does it also control iron and other scales? | Yes. In addition to silica, it effectively controls iron (up to 1.5 ppm in reject), calcium carbonate (LSI up to +2.5), calcium sulfate, barium sulfate, strontium sulfate, calcium fluoride, and other metal oxide scales. |
| Q7. Is it safe for drinking water plants? | Yes. Our High Silica Antiscalant formulation is certified and classified as safe for use in systems producing potable or drinking water, complying with industry-recognised health and safety standards. |
| Q8. Which membranes are compatible with this product? | Our High Silica Antiscalant is fully compatible with all leading RO membrane brands including Dow FilmTec, Hydranautics, Toray, and LG, as well as Polyamide, TFC, and NF membranes. |
| Q9. What is the shelf life of High Silica Antiscalant? | The product has a shelf life of 24 months from the date of manufacturing when stored in its original sealed container at temperatures between 5°C and 40°C, away from direct sunlight. |
| Q10. In what packaging sizes is this antiscalant available? | We supply in 5L, 20L, 50L, and 200L HDPE drums, along with IBC tanks for bulk industrial requirements. Custom packaging is available for export orders. |
| Q11. How is High Silica Antiscalant dosed into the RO system? | It is injected into the RO feedwater upstream of the cartridge filter using a standard chemical dosing pump with PP or PVDF wetted parts. It can be dosed neat or pre-diluted with demineralised water. |
| Q12. Do you supply High Silica Antiscalant outside India? | Yes. Innova Corporate (India) exports High Silica RO Antiscalant to the Middle East, Africa, and Southeast Asia, with UN-approved export packaging and reliable logistics support. |