cfb boiler Agent in thailand

  • REPLACING HYDRAZINE WITH POLYAMINES FOR ALUMINA …

    boiler treatment was based on 150 kg per month of hydrazine 1%, injected after the deaerator, and on 600 kg per month of ammonia, an adequate dosage rate proportional to feed water was proposed, to be injected after the deaerator. Boiler 1 105 TPH 100 TPH 17 bar 250 °C Boiler 2 120 TPH 100 TPH …Learn More

  • Afroze Textile Industry Report - SlideShare

    Dec 12, 2016 · Oil used: At afroze we use mineral oil forthe oil,heatflow systemfromoil boiler;the oil isthe productof shell petroleumAVPOLYSOFTHLC heat transferoil. Oil boilerspecs: Flowrate= 200m3/hr Max pressure=10 bar Max testpressure=21.4 bar 9 KW air blower.Learn More

  • US4269717A - Boiler additives for oxygen scavenging

    US4269717A US06/194,349 US19434980A US4269717A US 4269717 A US4269717 A US 4269717A US 19434980 A US19434980 A US 19434980A US 4269717 A US4269717 A US 4269717A Authority US United States Prior art keywords carbohydrazide hydrazine oxygen boiler ppm Prior art date Liming Legal status (The legal status is an assumption and is not a legal conclusion.Learn More

  • Boiler additives for oxygen scavenging - Nalco Chemical

    The hydrazine control showed a loss of approximately 10% of its initial concentration after 6 days, possibly due to oxidation, venting or reaction with the rubber stopper of the Nessler tube. Results for carbohydrazide at room temperature and 120° F. indicate that no …Learn More

  • Hydrazine Hydrate 25 Kg | East India Chemicals

    Hydrazine is a convenient reductant because the by-products are typically nitrogen gas and water. Thus, it is used as an ANTIOXIDANT, an oxygen scavenger, and a corrosion inhibitor in water boilers and heating systems. Hydrazine is mainly used as a foaming agent in preparing polymer foams.Learn More

  • Boiler Water Treatment for LP,MP and HP Boiler

    Dec 11, 2015 · Maintain 10-15 ppm PO4/SO3 residual, avoid overdosing 9. Filming amine treatment is a good alternative 10. Blow down water should be clean and colourless 11. Rely more on prevention than regular acid cleaning 12. In oil fired boiler use fuel additives to improve efficiency 13. In biomass fired boiler use fuel additive to avoid deposits 08 9.Learn More

  • DECOMPOSITION OF HYDRAZINE IN PRESERVED BOILERS

    Initial: 10 mg PO q6hr for 2-4 days; may increase gradually by 10-25 mg/dose every 2-5 days up to 50 mg PO q6hr (some patients require 300 mg/day) See also combo with isosorbide dinitrateLearn More

  • WO2012101844A1 - Anti-corrosive agent for boilers - Google

    An anti-corrosive agent for boilers, which comprises diethanolamine, can additionally contain a deoxidizer such as hydrazine, 1-aminopyrrolidine, N,N-diethylhydroxylamine, ascorbic acid and a salt thereof and another anti-corrosive agent comprising a neutralizing amine, and can be added to mainly boiler water having a superheater and a steam turbine.Learn More

  • HYDRAZINE TEST KIT TM - LIFECHEMS

    Calculating Boiler Chemical Requirements – Water Technology ReportLearn More

  • Dosing Calculaion-Hydrazine/ammonia-Boiler - Industrial

    HYDRAZINE TEST KIT TM - LIFECHEMS CANARY ISLANDSLearn More

  • Hydrazine Test Reagent TK - 17 | East India Chemicals

    HYDRAZINE TEST POWDER TK-17 Colorimetric Procedure. The objective is to maintain a hydrazine residual between 0.05-0.2 ppm depending on operating pressure and boiler designe. Actual consumption is determined under operating conditions. A normal dosage is …Learn More

  • Hydrazine Hydrate | West India Chemicals

    A normal dosage is approximately 1 ltr. per day, depending of system layout. Hydrazine is a convenient reductant because the by-products are typically nitrogen gas and water. Thus, it is used as an ANTIOXIDANT, an oxygen scavenger, and a corrosion inhibitor in water boilers and heating systems. Hydrazine is mainly used as a foaming agent in Learn More

  • The Easy Way to Minimize Corrosion Control Hydrazine

    May 02, 2010 · Hydrazine injection into BFW (boiler feed water) of 7 mg O2/l was recently specified for residual content of 0.2-0.6 mg/l in boiler drums, but hydrazine was replaced by …Learn More

  • Technical Performance Chemicals Product Hydrazine

    A typical dosage of 0.2 ppm of N2H4 (0.57 ppm Scav-Ox residual of from 0.01 to 0.10 ppm of hydrazine in the boiler. The rate may be higher at first, when rust is being reduced hazard. However, hydrazine is a strong reducing agent, as well as a base. Therefore, it should not be stored near oxidizing agents or acids. Exposure to direct Learn More

  • What are the chemicals that are used in a thermal power

    There are a variety of chemicals used in a thermal power plant. They include: 1. Ammonia for dosing in the boiler steam-water cycle system to control the pH. 2. Hydrazine for oxygen scavenging from the boiler. 3. Sodium hypochlorite or any bacteriLearn More

  • Hydralazine Dosage Guide + Max Dose, Adjustments - Drugs.com

    A normal dosage is approximately 1 ltr. per day, depending of system layout. Hydrazine is a convenient reductant because the by-products are typically nitrogen gas and water. Thus, it is used as an ANTIOXIDANT, an oxygen scavenger, and a corrosion inhibitor in water boilers and heating systems.Learn More

  • Calculating Boiler Chemical Requirements – Water

    of Hydrazine content in the Boiler's Water. The test must be performed when in the vessel's Boiler Water Treatment program MARZINE PLUS is used. This is an activated hydrazine solution (Hydrazine with a catalyst for faster reaction with Dissolved Oxygen,) and applied for marine and industrial Boilers in low, medium and high pressures.Learn More

  • Technical Performance Chemicals Product Hydrazine

    A typical dosage of 0.2 ppm of N2H4 (0.57 ppm Scav-Ox residual of from 0.01 to 0.10 ppm of hydrazine in the boiler. The rate may be higher at first, when rust is being reduced hazard. However, hydrazine is a strong reducing agent, as well as a base. Therefore, it should not be stored near oxidizing agents or acids. Exposure to direct Learn More

  • boiler chemical compound dosage calculation

    Boiler Feed Water Chemical Dosage - YouTube Click to view1:27. Dec 14, 2016· Learn How and Where Dosing(injection) of chemicals are done Boiler system. Require the calculation for Hydrazine dosing in Boilers based on O2 content. Similarly for amine dosing in boiler based on PH. 1. Reaction of hydrazine NH2NH2+O2-->2H2O+N2 indicates dosing Learn More

  • Hydrazine Reaction In Boiler Water - Dales Accommodation

    Standard Test Method for Hydrazine in Water. 5.1 Hydrazine is a man-made chemical and is not found in natural waters. The determination of hydrazine is usually made on boiler feedwaters, process waters, and other waters that have been treated with hydrazine (N 2 H 4) for the purpose of maintaining residuals to prevent corrosion by dissolved oxygen.This reducing chemical reacts with dissolved Learn More