Sri Lanka Potable Drinking Water & Tube Well Iron Removal Specialists
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Water Lanka .
SLS 614:2013 Standards Certified Clean Water

Drinking Water Iron Removal Plants in Sri Lanka

Water Lanka Services (Pvt) Ltd provides turnkey Drinking Water Iron Removal Plants (IRP) and high-rate catalytic filtration systems engineered specifically for deep tube wells, dug wells, and groundwater sources across Sri Lanka. Eliminating high iron (Fe), manganese (Mn), turbidity, and unpleasant metallic tastes, our systems guarantee potable water compliant with SLS 614:2013 drinking water standards (< 0.3 mg/L Fe).

Drinking Water Iron Removal Filter Plant Sri Lanka

Turnkey Groundwater De-Ironing Technology

In many regions of Sri Lanka—including Gampaha, Colombo, Kalutara, Kurunegala, Anuradhapura, and Puttalam—tube well water contains dissolved ferrous iron (Fe2+) in concentrations exceeding 1.0 to 10.0 mg/L. When exposed to air, this oxidizes into reddish-brown insoluble ferric hydroxide, causing yellow staining on bathroom fixtures, ruined laundry, clogged pipe networks, and unacceptable drinking taste.

Our specialized Iron Removal Plants utilize a proven 4-stage process: Forced Aeration & Air Injection → Catalytic Oxidation Media (Birm / Manganese Greensand / DMI-65) → Heavy Sediment & Turbidity Filtration → Activated Carbon Taste Polish. The output is clear, sparkling, odor-free drinking water.

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How Water Lanka Removes Iron From Drinking Water

Engineered for maximum catalytic oxidation, automatic backwashing, and zero recurring chemical expense

1. Aeration & Pre-Oxidation

Converts invisible, dissolved ferrous bicarbonate (Fe2+) into insoluble ferric hydroxide (Fe3+) flocs using air injection, venturi injectors, or cascade splash aeration trays prior to filtration.

Aeration Specs

2. Catalytic Birm & Greensand Media

Utilizes catalytic granular filter media (Birm, Manganese Greensand, or DMI-65) to accelerate the oxidation rate and mechanically trap suspended iron particles down to 5–10 microns.

Filter Media Info

3. Automatic Multiport Backwash

Heavy-duty Runxin digital automatic valves or commercial multiport valves flush out trapped iron sludge regularly to maintain clean media beds with zero manual maintenance headaches.

Valves & Vessels

4. Carbon Polish & UV Disinfection

Granular activated carbon removes residual odors and organic tannins, followed by optional in-line stainless steel Ultraviolet (UV) sterilizers for 99.99% pathogen elimination.

UV & Carbon Polish

Drinking Water Iron Removal Plant Technical Matrix

Custom-engineered capacities available from domestic tube wells to large-scale municipal, hotel, and industrial complexes:

Model / Capacity Flow Rate (LPH / m³/hr) Vessel Sizing (FRP) Control Valve Type Target Raw Iron Treated Water Iron Best Suited Applications
WL-IRP-500 500 Liters / Hour 10" × 54" FRP Vessel Manual / Auto Multiport Up to 5.0 mg/L < 0.1 mg/L (SLS 614) Villas, Bungalows, Small Offices
WL-IRP-1500 1,500 Liters / Hour 13" × 54" FRP Vessel Runxin Digital Auto-Timer Up to 8.0 mg/L < 0.1 mg/L (SLS 614) Hotels, Restaurants, Small Factories
WL-IRP-3000 3,000 Liters / Hour 16" × 65" FRP Vessel Runxin Automatic Multiport Up to 10.0 mg/L < 0.1 mg/L (SLS 614) Schools, Hospitals, Commercial Laundries
WL-IRP-10000 10 m³ / Hour 24" × 72" Dual FRP Battery PLC Automated Pneumatic / Digital Up to 15.0 mg/L < 0.1 mg/L (SLS 614) Bottling Plants, Food Processing, BOI Factories
WL-IRP-CUSTOM 20 to 100+ m³ / Hour Mild Steel / SS304 Pressure Vessels Fully Automated PLC Control Heavy Industrial Feed < 0.05 mg/L Municipal Water Schemes, Tea/Rubber Estates

Common Well Water Iron Symptoms in Sri Lanka

  • Reddish / Yellow Water: Water turns yellow or cloudy brown after standing in overhead tanks.
  • Staining: Rust stains on tiles, sinks, sanitary ware, and yellow discoloration on washed linen.
  • Metallic Taste & Odor: Unpleasant iron metallic tang making tea, coffee, and cooking unpalatable.
  • Plumbing Clogging: Heavy sludge deposits in pipe fittings, solar water heaters, and booster pumps.
  • Boiler & RO Fouling: Dissolved iron irreversibly coats RO membranes and scales heat exchangers.

Why Choose Water Lanka Iron Removal Systems?

  • Zero Chemical Waste: Physical aeration and catalytic oxidation eliminate costly chemical feeding.
  • High Flow Rates with Low Footprint: Compact food-grade FRP vessels fit into tight spaces.
  • Guaranteed SLS 614 Compliance: In-house water testing and certified laboratory validation.
  • Automated Backwash Operation: Digital Runxin valves flush beds automatically without operator intervention.
  • Turnkey Islandwide Installation: Full piping, pumps, commissioning, and after-sales field support.

Frequently Asked Questions on Iron Removal in Sri Lanka

Expert answers from Water Lanka engineering specialists

What is the permissible iron limit for drinking water in Sri Lanka?

Under the Sri Lanka Standards Institute specification SLS 614:2013, the maximum allowable limit for total iron in potable drinking water is 0.3 mg/L (ppm), and manganese is 0.1 mg/L. Water Lanka iron removal plants are designed to reduce iron levels to below 0.1 mg/L.

Why is my well water clear when pumped but turns brown after a few hours?

In deep tube wells, iron exists in the dissolved, invisible ferrous state (Fe2+) due to lack of oxygen underground. Once pumped into your storage tank and exposed to atmospheric air, it oxidizes into insoluble ferric iron (Fe3+), turning the water reddish-yellow. Our aeration and catalytic filtration trap this iron before it ever reaches your storage tanks.

Does an iron filter require regular media replacement?

High-grade catalytic media like Birm and Manganese Greensand typically last 3 to 5 years when properly backwashed. Regular automatic backwashing flushes the accumulated iron out of the vessel, keeping the media active and operating at peak efficiency.

Can this system handle both iron and hard water together?

Yes. Water Lanka customizes dual-column treatment systems where the first column eliminates iron and turbidity, and the second column features food-grade ion exchange resin (Water Softener Plant) to eliminate calcium and magnesium hardness without fouling the resin.

Eliminate Tube Well Iron & Rust Water Today

Send us your water test report or book a site visit. Our water engineers provide turnkey plant sizing, flow rate calculations, and guaranteed SLS 614 compliance.

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