Phone:0086-371-55629010

deha boiler Agent chemical high pressure boiler Agent dosage

liquid oxygen scavenger chemicals liquid oxygen scavenger ...

high quality chemical agent oxygen scavenger OC6870 for high pressure boiler. US $1.00 / Kilogram. 1 Kilogram ... High quality NN-Diethylhydroxylamine DEHA 3710-84-7. US $4.00-$5.00 / Kilogram. ... A wide variety of liquid oxygen scavenger chemicals options are available to you such as chemical auxiliary agent. You can also choose from ...

Learn More

Boiler Chemistry Control and Treatment of Feed Water ...

May 05 2015 · Two types of AVT are; i) AVT (R) Using Ammonia (NH3) and as reducing agent like Hydrazine (N 2 H 4) ii) AVT (O) same as AVT ® minus reducing agent i.e. N 2 H 4. Ammonia is commonly used cheaper material to maintain pH in boiler water. N 2 H 4 is used to scavenge Dissolved Oxygen and protect Copper alloys from Ammonia. It may be good for Cu ...

Learn More

Determining or monitoring parameters in boiler systems ...

In other words thermal stability or sustained potency of internal boiler treatment at high temperature (e.g. up to 300°C) is affected by the time required to reach steady state calculated for example by the boiler percent life holding time especially in high pressure boilers in which the pressure may be 67.8kg/m² (2000 psi).

Learn More

Boiler Chemicals - Oxygen Scale and pH Adjustments

Hot Water Boilers - The most economical chemical to use is a blend of Sodium Nitrite. We have a more complex boiler system. Will these chemicals work for my boiler system? For more complex steam systems such as high steam pressure or turbine boilers more advanced boiler chemicals are used.

Learn More

Why recommend ammoniated citric acid for the chemical ...

Use of ammoniated citric acid for the chemical cleaning of high pressure boilers: Pre-commissional passivation. Before a boiler is put into service it is customary to follow a "pre-commissional" chemical cleaning procedure. A newly constructed boiler will be contaminated by particulate debris oils and greases and rust.

Learn More

Boiler water treatment - Chemed Corporation

The oxygen scavenging activity of NN-diethylhydroxylamine (DEHA) was determined at 68° F. without a catalyst and with a catalyst copper carbonate in a ratio of DEHA to catalyst of 100:1 parts by weight. A dosage of 10% excess DEHA was used based on 1 ppm of DEHA is

Learn More

OXYGEN SCAVENGERS - Guardian CSC-Flip eBook Pages 1 - 6 ...

1.24 ppm of DEHA for 1 ppm of oxygen however it has been found that the best results are found with a feed rate of 3 ppm of DEHA for every 1 ppm of oxygen. In the boiler the DEHA reaction also forms acetic acid to some degree. This is neutralized to acetate in the boiler and then eventually breaks down into carbon dioxide. This must be taken into

Learn More

EP0640747A1 - Boiler system pH/phosphate program control ...

A pH/phosphate program in a boiler water system is controlled by: (1) determining the feed rate of the phosphate to the boiler by adding to a phosphate-feed stream containing the phosphate feeding to the boiler a phosphate-feed tracer in known proportion to the phosphate determining the concentration of the phosphate-feed tracer in the phosphate-feed stream and correlating the phosphate-feed ...

Learn More

Boiler Water Treatment Chemicals | Steam Generator Inhibitors

Carbohydrazide or DEHA treatments can be found in Oxygen Scavengers. Next you need to decide whether you require a Phosphate Supplement in your boiler program this comes down to pressure and natural alkalinity in the make-up water and is highly recommended in the following situations: Where boilers operate at pressures above 19 bar (150 psi)

Learn More

Common Chemicals Used in Boiler Water Treatment - Sensorex

Dec 03 2019 · The exact dose of an oxygen scavenger that you should use in your boiler depends on the type of scavenger that youre using and whether the boiler is paired with a de-aerating heater. For testing purposes you should always maintain 20 ppm of an oxygen scavenger in your boiler feed water.

Learn More

Boiler Water Treatment Chemicals | Steam Generator Inhibitors

Carbohydrazide or DEHA treatments can be found in Oxygen Scavengers. Next you need to decide whether you require a Phosphate Supplement in your boiler program this comes down to pressure and natural alkalinity in the make-up water and is highly recommended in the following situations: Where boilers operate at pressures above 19 bar (150 psi)

Learn More

Boiler Treatment Chemicals - Condensate Line Protection ...

ACUTHERM 3101 is a superior quality DEHA and hydroquinone based boiler water oxygen scavenger and Condensate Line Protection chemical product scientifically formulated for steam boilers and boiler water treatment applications. ACUTHERM 3101 is a volatile liquid catalyzed solution of diethylhydroxylamine (DEHA).

Learn More

Boiler Feed Water Treatment for Industrial Boilers

Jul 31 2017 · A boiler is a closed device used largely in various industries business and modern procedures to generate steam by applying heat energy to water at a particular pressure. The principle function of boiler is efficient heat transfer to the feed water. The boiler feed water should be treated legitimately to avoid scale corrosion of the boiler system.

Learn More

Thermidaire high pressure boilers all in one treatment

- High anionic - Chemically stable - Low order of toxicity. DOSAGE: Thermatreat 309-Hdosage is to be added to the feed water at 7 PPM dosage based on a 50 cycle boiler water if the boiler water is running at a different cycle the dosage need to be adjusted to achieve 500 ppm product in boiler water. All guidelines for boilers operating at 900 PSI and higher should apply.

Learn More

CN102586772B - Passivation process after chemical cleaning ...

The process comprises preparing a passivation solution and adding the passivation solution after the cleaning of the boiler is passed and circulating at 15-35 DEG C for 8-12 hours wherein the...

Learn More