erythorbic acid in high pressure boiler

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θrion Gas Fired Steam Boiler

Capacity:1-20t/h

Rated thermal efficiency: 100-104%

Fixed working pressure: ≤1.6MPa

Applicable fuel:natural gas etc.

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Capacity:0.7-14MW

Rated thermal efficiency:96-98%

Fixed working pressure:≤1.25MPa

Applicable fuel:Natural gas, light oil, etc.

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Capacity:0.7-2.8Mw

Rated thermal efficiency: 97.2-106%

Fixed working pressure:0.1MPa

Applicable fuel:Natural gas, etc.

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Capacity:2.8-7.0Mw

Rated thermal efficiency:≥105.5%

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Applicable fuel:Natural gas, etc.

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Capacity:99Kw

Rated thermal efficiency:97.2-104.4%

Fixed working pressure:1.0MPa

Applicable fuel:Natural gas, etc.

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Electric Steam Boiler

Capacity:0.5-4.0 t/h

Rated thermal efficiency:98%

Fixed working pressure:≤1.25MPa

Applicable fuel:electric energy

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  • Water and steam chemistry deposits and corrosion-

    May 25, 2016 · Traditional oxygen scavengers have been sodium sulfite for low pressure boilers and hydrazine for high pressure boilers. Sulfite must not be used where the boiler pressure is greater than 900 psig (6.2 MPa). Other oxygen scavengers (erythorbic acid, diethylhydroxylamine, hydroquinone and carbohydrazide) are also used.Get Price

  • Dissolved oxygen corrosion

    Erythorbic acid and its sodium salt are replacing sulfite and hydrazine as oxygen scavengers in boiler water treatment. Based upon the stoichiometric relationship, it should take about 13 parts of sodium erythorbate to react with one part of dissolved oxygen.Get Price

  • Oxygen scavenger for boiler water and method of use

    Oxygen scavenger for boiler water and method of use. An oxygen scavenger for boiler water includes ascorbic acid neutralized with diethylaminoethanol. The diethylaminoethanol provides condensate treatment for the long and short steam lines and improves the scavenging of the ascorbic acid. 252/178, 252/188.28, 252/392, 422/16, 422/17.Get Price

  • Carbohydrazide vs Hydrazine: A Comparative Study

    The core of the powerhouse is the boiler, which produces high-pressure (HP) steam that drives the turbines for (DEHA), hydroxyquinone and erythorbic acid [3–7]. Hydrazine has been Get Price

  • Oxygen Absorbers | Oxygen Scavengers

    Mar 14, 2018 · Ø Boiler Oxygen Scavenger is a catalyzed oxygen scavenger in a liquid form based on catalyzed sodium bisulfite. It helps to instantly remove oxygen from the boiler feed water by converting itself to sodium bisulfate and also reduces alkalinity. common in high-pressure systems. Ø Erythorbic acid and its sodium salt can replace Sodium Get Price

  • Oxygen Absorbers | Oxygen Scavengers

    Mar 14, 2018 · Ø Boiler Oxygen Scavenger is a catalyzed oxygen scavenger in a liquid form based on catalyzed sodium bisulfite. It helps to instantly remove oxygen from the boiler feed water by converting itself to sodium bisulfate and also reduces alkalinity. common in high-pressure systems. Ø Erythorbic acid and its sodium salt can replace Sodium Get Price

  • Performance of Erythorbic Acid as an Oxygen Scavenger in

    at high temperatures and pressures (boiler conditions). Furthermore, ascorbic acid (L-ascorbic acid) has also Erythorbic acid, commonly known as a stereoisomer of ascorbic acid (vitamin C), plays a significant role in the human body and food industries. It is widely used as a supplement, additive, preservative, and an antioxidant inGet Price

  • Water Treatment Boiler but good Flashcards | Quizlet

    Start studying Water Treatment Boiler but good. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. o Uses a high pressure pump to increase the pressure on the salt side of the RO membrane to force the water across the semi-permeable membrane Erythorbic Acid o 6 - Methylethylketoxime o 7 - DEHA.Get Price

  • All-in-one boiler water treatment composition - DuBois

    Ascorbic acid is preferred over erythorbic acid since it acts synergistically with the diethylaminoethanol to provide effective oxygen scavenging. The concentration of polyhydroxy acid should be from about 1 to about 40 parts per million. Again, ascorbic acid …Get Price

  • BOILER WATER TREATMENT CHEMICALS AND ITS COMPOSITION

    Apr 29, 2020 · Erythorbic Acid (Sur-gard) R 1 -C (OH) An effective oxygen scavenger and metal passivator. It is the only non-volatile scavenger which can be used with spray attemperation. does not add measureable solids to the boiler water. May be used in boilers up to 122 bar. Officially recognised as a Safe Substance.Get Price

  • BOILER WATER TREATMENT CHEMICALS AND ITS COMPOSITION

    Jun 22, 2020 · Erythorbic Acid (Sur-gard) R 1-C(OH) An effective oxygen scavenger and metal passivator; It is the only non-volatile scavenger which can be used with spray attemperation; does not add measureable solids to the boiler water; May be used in boilers up to 122 bar; Officially recognised as a Safe SubstanceGet Price

  • Performance of erythorbic acid as an oxygen scavenger in

    Nov 01, 2018 · May (1989) stated that erythorbic acid (d-isoascorbic acid) could scavenge oxygen rapidly at high temperatures and pressures (boiler conditions). Furthermore, ascorbic acid ( l -ascorbic acid) has also been investigated and recommended as an antioxidant in food industries due to its rapid reaction with oxygen ( Christensen and Steimel, 1990 Get Price

  • CORROSION INHIBITORS – Boiler Systems (Amines & …

    DIETHYL HYDROXYLAMINE AS OXYGEN SCAVANGER FOR BOILER WA…Get Price

  • US8728392B2 - Method of using an amine compound as

    US8728392B2 US14/025,340 US201314025340A US8728392B2 US 8728392 B2 US8728392 B2 US 8728392B2 US 201314025340 A US201314025340 A US 201314025340A US 8728392 B2 US8728392 B2 US 8728392B2 Authority US United States Prior art keywords boiler water corrosive amine compound amine Prior art date Liming Legal status (The legal status is an …Get Price

  • Research Evaluation of Polyamine Chemistry For Boiler

    Mar 13, 2011 · These programs have been used in both high and low-pressure systems. 1-11 Although there is a considerable body of literature that reports on the results obtained from the application of polyamine programs in operating boilers, there is a lack of detailed research comparisons between a "traditional" boiler water treatment program and a Get Price

  • Plant Engineering | It's not the heat; it's the humidity

    Aug 08, 2002 · The boiling water produces humidification steam at atmospheric pressure. This system avoids the problems presented by volatile amines in boiler steam since there is no contact between boiler steam and humidification steam, barring failure of the heat exchanger. Fig. 2. Steam-to-steam humidifiers avoid problems with volatile amines in boiler water.Get Price

  • Why is hydrazine used in boiler water treatment? - Quora

    Answer (1 of 2): Many boiler water treatments depend on maintaining low levels of dissolved oxygen in the boiler water to avoid corrosion. Mechanical deaeration will only get you so far and so chemical oxygen scavengers are also used. Hydrazine (N2H4) …Get Price

  • Oxygen scavenger chemicals for boiler feed water by

    Feb 03, 2018 · Boiler Oxygen Scavenger is a catalyzed oxygen scavenger in liquid form based on catalyzed sodium bisulfite. common in high pressure systems Sodium Erythorbate Erythorbic acid and its Get Price

  • Water Treatment for the Pharmaceutical Industry Part 3

    Feb 10, 2021 · Water Treatment for the Pharmaceutical Industry Part 3: Boiler Condensate/Feedwater. Posted by ChemTreat On 02/10/2021. Steam is widely utilized in the pharmaceutical industry for many heat transfer and sterilization processes. Rigorous control of steam generation chemistry is also necessary to prevent corrosion and fouling of equipment …Get Price

  • Boiler/Cooling Systems, Alkalinity/Hardness/Orthophosphate

    Erythorbic acid, sulfide and ferrous iron may cause positive interference; to prevent, test for suspected interfering agent, dilute sample with DI water as necessary, and retest. Copper and nitrite may cause negative interference; to prevent, test for suspected interfering agent, dilute sample with DI water as necessary, and retest.Get Price

  • Oxygen Scavengers - SUBSPORT Pages 1-4 - Flip PDF Download

    Oct 03, 2016 · Erythorbic acid is non-volatile. It oxygen. Catalyzed sodium sulfate is by far the most reac-will remain in the boiler, and will not travel with the stream tive oxygen scavenger available in the industry whichto control oxygen corrosion in the condensate. accounts for its use in low pressure systems.Get Price

  • Maximizing percent in limits for chemistry parameters at

    Wisconsin, has three coal fired boilers and two gas turbines. Large differences in production costs dictate running the coal fired boilers for base-loadoperation (near continuous) and utilizing gas turbines only when needed due to unavailability of purchase power and high customer demand (peaking operation).Get Price

  • Organic Impurities and Organic Conditioning Agents in the

    erythorbic acid, oxalic acid, acetic acid, formic acid and finally carbon dioxide; pressure boilers. Traditional dispersants are tannins, lignins and other natural organic derivates. Heat stable The first condensate can have a high concentration of such impurities [7]. Depending on the condensation ofGet Price

  • overlay on boiler tubes

    Aug 13, 2003 · However, actual lab and field test data shows that much less erythorbate is needed than what the theoretical results to scavenge oxygen (DO). Further scavenging occurs from the breakdown products of the erythorbic acid. Field trials in large utility boilers show the intermediate breakdown products to be lactic and glycolic acids.Get Price

  • Research Evaluation of Polyamine Chemistry For Boiler

    Mar 13, 2011 · These programs have been used in both high and low-pressure systems. 1-11 Although there is a considerable body of literature that reports on the results obtained from the application of polyamine programs in operating boilers, there is a lack of detailed research comparisons between a "traditional" boiler water treatment program and a Get Price

  • US Patent for Trihydroxybenzene boiler corrosion inhibitor

    BACKGROUND OF THE INVENTION. This invention relates to a method for inhibiting corrosion in boiler feedwater systems and boilers due to dissolved oxygen comprising adding to the boiler feedwater an effective amount of at least one trihydroxybenzene compound, alone or in combination with conventional boiler corrosion inhibitors such as hydroquinone, …Get Price

  • Power Inverter to run boiler? — Heating Help: The Wall

    Zone valves 20 watts. Boiler 40 watts. Total watts 156 watts. If you convert that to 12 volts DC (156/12), you get 13 amp/hours. You lose a bit in the inversion process so let's call it 15 a/h. A typical 12 volt deep cell battery is rated for 200 a/h. In …Get Price

  • Lecture 34: Food Technology

    High Pressure Pulsed Electric Fields Packaging Filling, Closing Metallic, Plastic Packages The produced steam and steam from a gas-fired boiler is used to heat the fryer through a heat exchanger. To conserve energy, Ascorbic acid,Erythorbic acid Bulking agents:eg. Polydextrose Coloring agents: Get Price

  • Closed Circuit Boiler Water Treatment Course

    • Covers steam at any pressure, gases which exert a pressure in excess of 0.5 bar above atmospheric pressure. Fluids [that can be a mixture of liquids, gases and vapour] too • Only applies to storage over 250 Bl [bar Litres] • Does apply to mobile systems [hire boiler for example] • Provision of competent persons isGet Price

  • overlay on boiler tubes

    Aug 13, 2003 · However, actual lab and field test data shows that much less erythorbate is needed than what the theoretical results to scavenge oxygen (DO). Further scavenging occurs from the breakdown products of the erythorbic acid. Field trials in large utility boilers show the intermediate breakdown products to be lactic and glycolic acids.Get Price