Oxytreat S: Advanced Oxygen Scavenger for Boilers
URSA Associates offers Rochem Oxytreat S, an advanced oxygen scavenger tailored for
boilers. This formulation, consisting of sodium sulfite with a specialized catalyst,
enhances the reaction with dissolved oxygen, especially effective at lower
temperatures.
Purpose
- Effective Oxygen Removal:Oxytreat S, composed of sodium sulfite with a
specialized catalyst, accelerates the reaction with dissolved oxygen,
particularly at low temperatures.
- Optimal for Boilers:Ideal for water tube boilers operating below 60
atmospheres (850 psi).
- Corrosion Prevention:Eliminates trace dissolved oxygen that can cause
corrosion and failures in boiler metal and tubes, even with modern deaeration
equipment.
- Versatile Use:Particularly useful in low-temperature feed water systems,
cold water systems, and for standby boilers to prevent corrosion during
downtime.
Feed Requirements
- Preparation:Solutions should be prepared with minimal stirring. Can be
fed alone or with other treatment chemicals not affected by a reducing agent.
- Dosage:Approximately fifty liters of Oxytreat S is required to react
chemically with one part of dissolved oxygen. Fresh feed solutions are
recommended daily.
Method of Feeding
- Continuous Feeding:Recommended to the storage section of the deaerator or
makeup tank. This ensures residual presence in the feed water system and boiler,
even during higher-than-normal makeup requirements.
- Equipment:Diaphragm or piston-type reciprocating positive displacement
pumps or bypass feeders are suitable for feeding. A floating lid helps prevent
reaction with atmospheric oxygen.
Control
- Monitoring: Controlled by the sulfite test, aiming for a free residual of
30 to 60 ppm in boiler water. Standard iodometric titration is used for
checking, with test units available from Rochem service engineers.
Dosage
- Usage Table: The dosage of Oxytreat S needed to achieve the desired free
sulfite reading in ppm as SO3 is provided in a table based on different pressure
ranges.
How to Use:
- Determine the sulfite as ppm SO3 in the boiler water through testing.
- Find the sulfite range in the table that contains the measured free sulfite
residual (ppm SO3).
- Read the required ml of Oxytreat-S per 1000 liters (or per metric ton) under the
appropriate pressure column.
For information on Oxytreat S price, or to find Oxytreat S suppliers in Mumbai and
Oxytreat S Distributors in Mumbai, please contact local Rochem representatives or
authorized dealers.
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