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This is most common oxygen treatment as a scavengers used to effectively remove dissolved OXYGEN from your feedwater. By the presence of dissolved oxygen in system, corrosion and pitting caused on metal surface. Removes dissolved oxygen, By acting as an oxygen scavenger.
A fast-acting, catalyzed sodium sulphite (Na₂SO₃) oxygen scavenger for low- and medium-pressure boiler systems. The product reacts stoichiometrically with dissolved oxygen to prevent corrosion in boilers, feed lines, and condensate systems by converting oxygen to inert sulfate.
Reaction (overall):
Na₂SO₃ + ½ O₂ → Na₂SO₄
Catalyst accelerates the reaction at lower temperatures and shorter residence times (e.g., in deaerator outlets and feedwater lines)
Feedwater DO = 0.10 mg/L (100 ppb) at 20 m³/h.
Stoichiometric Na₂SO₃ = 0.10 × 7.88 = 0.788 mg/L.
With 1.3× safety factor → ~1.0 mg/L Na₂SO₃.
At 20 m³/h → 20 g/h Na₂SO₃ (as pure).
Using 38% liquid: 20 / 0.38 ≈ 52.6 g/h (~40 mL/h) (SG 1.32 ⇒ ~30 mL/h by mass; verify on site).
Fine-tune to maintain target sulfite residual in boiler.
Product Description:
Oxygen Scavenger – Sodium Sulphite is a highly effective oxygen scavenging chemical formulated to remove dissolved oxygen from boiler feed water, injection water, and industrial water systems. It rapidly reacts with dissolved oxygen, preventing corrosion in pipelines, boilers, heat exchangers, storage tanks, and water injection systems.
The product is widely used in the oil & gas, power generation, petrochemical, refinery, and water treatment industries to maintain low dissolved oxygen levels and protect critical equipment from oxygen-induced corrosion.
Rapidly removes dissolved oxygen from water.
Prevents corrosion in boilers and water injection systems.
Protects pipelines, heat exchangers, and storage tanks.
Improves equipment reliability and service life.
Suitable for high-pressure and low-pressure boiler systems.
Easy to dose and compatible with most water treatment programs.
Reduces maintenance and operating costs.
Boiler Feed Water Treatment
Water Injection Systems
RO Permeate Treatment
Condensate Systems
Industrial Water Treatment
Oil & Gas Production Facilities
Power Plants
Petrochemical Industries
| Property | Specification |
|---|---|
| Chemical Name | Sodium Sulphite |
| Appearance | Clear Liquid / White Powder (as applicable) |
| Active Content | As per customer specification |
| Function | Oxygen Scavenger |
| Application | Boiler & Injection Water Treatment |
Maintains dissolved oxygen (DO) below the specified operating limit.
Effectively prevents oxygen-induced corrosion.
Suitable for continuous dosing in industrial water treatment systems.
Compatible with membrane and boiler water treatment programs (where applicable).
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Control test methods:
Oxygen Scavenger Sodium Sulphite, OXYGEN SCAVENGER SCAV TREAT
RXSOL Oxygen Scavenger is soluble in water. It is noncombustible. It is corrosive to aluminum. It is a strong irritant to skin and mucous membranes. It is toxic by skin absorption.
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