Oxygen Scavenger
The Oxygen Scavenger is used for removing
oxygen from boiler feed water straight away. This catalyzed scavenger
converts itself to sodium bisulfate and remove oxygen instantly from
boiler feed water. It is also responsible for buffering pH and reducing
alkalinity of the feed water. Having precise pH value, this chemical is
acknowledged for its attributes like saving power energy, minimize
oxidation corrosion, removes oxygen and precise pH value. This
formulation range is idyllically utilized in food & beverage,
dairies, pharmaceutical, poultry and sugar industries.
Boiler Oxygen Scavenger
Key Features and Benefits
- Catalyzed Oxygen Scavenger for instant oxygen removal
- Minimizer or eliminates oxidation corrosion (corrosion due to presence of oxygen)
- Concentrated powder product
- Buffers pH
- Imparts power saving
Application and Dosage
Chemtex’s Boiler Oxygen Scavenger should be dissolved with water in a separate tank with slow agitation and dosed continuously to the boiler feed water line after the deaerator. For every 1 ppm of dissolved oxygen, 24ppm of Chemtex’s Boiler Oxygen Scavenger should be ideally dosed. However, the dosage varies with feed water temperature, for exact dosage refers the below table:-
| Feed Water Temperature | CHEMTEX’S BOILER OXYGEN SCAVENGER (gms/ton of steam) |
| More than 80oC | 45 |
| 60oC to 80oC | 90 |
| 40oC to 60oc | 180 |
| Less than 40oC | 300 |
Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapor respirator, gloves and boots should be worn while handling and applying chemicals. Splashes on skin should be washed off with water immediately. In case of splashing into the eyes, flush it with fresh water and obtain medical attention. Should not be injected. Please refer MSDS for more details.
Storage
This product should be stored in original containers in cool and dry place, away from sources of heat, flame and direct sunlight. Please refer Technical Data Sheet, Label and MSDS for more details and shelf life.
Packing
Chemtex’s Boiler Oxygen Scavenger is available in 35kgs, 50 kgs HDPE jars and 220kgs barrels.
Catalyzed Sodium Sulfite
Key Features and Benefits
- Catalyzed Oxygen Scavenger for instant oxygen removal
- Minimize or eliminates oxidation corrosion (corrosion due to presence of oxygen)
- Concentrated powder product
- Buffers pH
- Imparts power saving
Application and Dosage
CHEMTEX’S CATALYZED SODIUM SULFITE should be dissolved with water in a separate tank with slow agitation and dosed continuously to the boiler feed water line after the deaerator.
For every 1 ppm of dissolved oxygen, 8-10ppm of Catalysed Sodium Sulphite should be ideally dosed. However, the dosage varies with feed water temperature, for exact dosage refers the below table:-
| Feed Water Temperature | S100 (gms/ton of steam) |
| More than 80oC | 15 |
| 60oC to 80oC | 30 |
| 40oC to 60oc | 60 |
| Less than 40oC | 100 |
Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapor respirator, gloves and boots should be worn while handling and applying chemicals. Splashes on skin should be washed off with water immediately. In case of splashing into the eyes, flush it with fresh water and obtain medical attention. Should not be injected. Please refer MSDS for more details.
Storage
This product should be stored in original containers in cool and dry place, away from sources of heat, flame and direct sunlight. Please refer Technical Data Sheet, Label and MSDS for more details and shelf life.
Packing
CHEMTEX’S CATALYZED SODIUM SULFITE is available in 50kgs air-tight open mouth HDPE jars.
Hydrazine Hydrate
Here we discuss the use of Hydrazine Hydrate as Oxygen Scavenger in Boiler water treatment.
Hydrazine Hydrate is a clear colorless liquid. It generally comprises of a 80% assay product, that is used for removing dissolved oxygen in boiler treatment.
Key Features and Benefits
- Removes dissolved oxygen
- Prevents oxidation corrosion
- Causes mild steel passivation
- Does not add to TDS of boiler water
- Completely volatile
Application and Dosage
Hydrazine Hydrate is dosed in the aerator of the boiler at the recommended dosage that is prescribed after analysis of dissolved oxygen in the water and other system parameters.
Please refer your CSL representative to recommend exact dosage.
Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapor respirator, gloves and boots should be worn while handling and applying chemicals. Splashes on skin should be washed off with water immediately. In case of splashing into the eyes, flush it with fresh water and obtain medical attention. Should not be injected. Please refer MSDS for more details.
Storage
This product should be stored in original containers in cool and dry place, away from sources of heat, flame and direct sunlight. Please refer Technical Data Sheet, Label and MSDS for more details and shelf life.
Packing
This product is available in 200kgs HDPE drums and 50kgs jars.
Hydrazine Hydrate with Catalyst
O2+ N2H4 2H2O + N2 Oxygen + Hydrazine Water + Nitrogen Gas
The catalyst in the product helps to increase the rate of the above reaction and ensures complete removal of dissolved oxygen in boiler feed water in lesser time.
Chemtex’s Hydrazine Hydrate With Catalyst also prevents corrosion by forming a protective passive film on metal and by boosting the pH in condensate line.
Key Features and Benefits
- Catalyzed Oxygen Scavenger for instant oxygen removal
- Does not add to the TDS of boiler water, since the product is volatile
- Minimizes oxidation corrosion (corrosion due to presence of oxygen)
- Catalyst in the product reduces the requirement of hydrazine for oxygen removal
- Prevents corrosion by forming a passive protective film over the metal surface
- Increases the condensate pH and minimizes corrosion of steam lines
Application and Dosage
Chemtex’s Hydrazine Hydrate With Catalyst is dosed at the rate of 5ppm for every ppm of dissolved oxygen from boiler feed water. It is recommended to maintain an excess dosage of 1.1 to 1.2 times the desired dosage as reserve for compensating the variation in oxygen content.
Please refer to your CSL service engineer for exact product dosage and dosing practice.
Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapor respirator, gloves and boots should be worn while handling and applying chemicals. Splashes on skin should be washed off with water immediately. In case of splashing into the eyes, flush it with fresh water and obtain medical attention. Should not be injected. Please refer MSDS for more details.
Storage
This product should be stored in original containers in cool and dry place, away from sources of heat, flame and direct sunlight. Please refer Technical Data Sheet, Label and MSDS for more details and shelf life.
Packing
Chemtex’s Hydrazine Hydrate With Catalyst is available in 35kgs HDPE jars and 200kgs barrels.
Powder Antiscalant and Oxygen Scavenger
Key Features and Benefits
- Catalyzed Oxygen Scavenger for instant oxygen removal
- Minimizer or eliminates oxidation corrosion (corrosion due to presence of oxygen)
- Concentrated powder product
- Prevents scaling and thus overheating of coil
- Imparts power saving
Application and Dosage
CHEMTEX’S POWDER ANTISCALANT AND OXYGEN SCAVENGER is dosed at the rate of 15 to 100gms per ton of steam generation, depending upon the feed water temperature and type of boiler system.
Please refer to your CSL service engineer for exact product dosage.
Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapor respirator, gloves and boots should be worn while handling and applying chemicals. Splashes on skin should be washed off with water immediately. In case of splashing into the eyes, flush it with fresh water and obtain medical attention. Should not be injected. Please refer MSDS for more details.
Storage
This product should be stored in original containers in cool and dry place, away from sources of heat, flame and direct sunlight. Please refer Technical Data Sheet, Label and MSDS for more details and shelf life.
Packing
Chemtex’s Powder Antiscalant and Oxygen Scavenger is available in 25kgs air-tight open mouth HDPE jars.
DEHA
Chemtex’s Deha reacts with oxygen to form acetates, nitrogen and water. It passivates the metal surfaces in the boiler, and then passes out of the boiler with the steam, and act as a metal passivating agent in the return line system.
Key Features and Benefits
- Completely organic compound
- Volatile - Does not add TDS to blow down water
- Metal passivator and rust converter
- Effective condensate line treatment and pH booster
- Non-toxic and more safe than hydrazine and carbohydrazide based chemicals
- Compatible with other treatment chemicals
- Returns to the feed line with the condensate return so passivates total system
- High rate of reaction with oxygen compared with other oxygen scavengers
- It offers a vapor-liquid distribution ratio of 1.3 and thus distributes all along the condensate circuit, ensuring a total control of corrosion
- Single treatment for total corrosion control in boiler
Application and Dosage
Chemtex’s Deha is fed neat (undiluted) continuously to the boiler feed water depending upon the dissolved oxygen content, temperature and pressure of boiler. Theoretically the dosage is 1.3 parts active ingredient for every part of oxygen, but in application, a dosage of 3ppm active for every ppm of O2 is recommended.
Handling measures and precautions
Proper human safety products such as Splash goggles, lab coat, vapor respirator, gloves and boots should be worn while handling and applying chemicals. Splashes on skin should be washed off with water immediately. In case of splashing into the eyes, flush it with fresh water and obtain medical attention. Should not be injected. Please refer MSDS for more details.
Storage
This product should be stored in original containers in cool and dry place, away from sources of heat, flame and direct sunlight. Please refer Technical Data Sheet, Label and MSDS for more details and shelf life.
Packing
CHEMTEX’S DEHA is available in the following pack size of 35/200kgs HDPE jars and barrels.
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