COLLOIDAL SILICA IN BOILER WATER - LinkedIn

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  • How Do You Remove Silica from Industrial Water and Wastewater?

    Feb 14, 2020 · Silica removal is deployed for a variety of industrial applications, including treatment of raw water, cooling tower makeup water, boiler feed and blow down water. Silica can be present in the form of granules, colloids, or reactive ions, and selecting the appropriate silica removal technology depends on which physical forms of silica are Get Price

  • Gopi Kanta Nayak - HOD -Water & Power Plant - LinkedIn

    Dec 31, 1988 · Although a demineralizing plant existed for the boiler feed water make up, the ion exchange resins were not able to retain the colloidal silica. Also, the First Unit operation was held at 25% of its rated capacity; in trying to raise the output to 50%, the silica concentration in the boiler water went over the allowed limits, resulting in a concentration of 1,500 ppb in the boiler …Get Price

  • Divya Sagar Muppana - Process Engineer - SUEZ - Water

    De mineralised water to be produced for the High Pressure Boilers at Sterlite Industries. Project comprises of handling high reactive silica, colloidal silica and TDS of 7000 mg/L . During the tendering stage to execution phase, Scheme was framed …Get Price

  • Water Treatment – NEU. - NEUCHEMIE

    Boiler system components, and the mechanisms by which deposits form and corrosion occurs, are varied and complex. A complete boiler water treatment program may include: 1. Chemicals to react with feedwater hardness 2. Sludge conditioners to prevent suspended solids from sticking to the boiler metal 3. Oxygen scavengers to prevent corrosion 4.Get Price

  • Silica Scaling in Boilers - Lenntech

    colloidal silica at high pressure and temperature gets converted into reactive silica due to which the silica level in the Boiler drum increases. In order to avoid scaling of silica on the turbine blades, lower level of total silica has to be maintained in the boiler drum and this calls for increase in blowdown from normal from 1% to 2%, due to Get Price

  • Water Handbook - Water Sources, Impurities and Chemistry

    High boiler water silica and low feedwater values are often a first sign that colloidal silica is present in the makeup. One method of identifying colloidal silica problems is the use of atomic emission or absorption to measure feedwater silica.Get Price

  • How Much Should a Boiler Feed Water System for a Thermal

    Jun 02, 2016 · A typical system at a 100 GPM flow with an UF/double-pass RO primary system can run about $750,000 to $1.2 million depending upon the materials of construction, the layout and design, and conditions of the feed water. If a thermal power plant requires a polishing unit, this can add $250,000 to $1 million. Although figuring out what your boiler Get Price

  • .Water Treatment - O.r.urete | Boiler | Water Purification

    If colloidal silica is more, Boiler Water silica will increase even if CBD is open. IN BOILER WATER SO THAT ENTRY OF CHLORIDE IN STEAM IS RESTRICTED - DO NOT USE ATTEMPERATION SPRAY - OPERATE CBD TO CONTROL BOILER WATER SILICA AND CHLORIDE LEVEL. CONDENSER LEAK IDENTIFICATION Share on LinkedIn, opens a new window. LinkedIn.Get Price

  • Solution to the colloidal silica problem in the San Luis

    How many types of silica are present in boiler water? - QuoraGet Price

  • Yasfa Yatikhan - my.linkedin.com

    The raw water used as the boiler feedwater contains suspended solids such as organic particles from the plants' fiber and biological solids such as algae and bacteria. Other than that, it may also contain oil, grease, heavy metals and minerals such as calcium carbonate, potassium chloride, colloidal silica, lead, arsenic, cadmium and selenium.Get Price

  • Why is the pH in my boiler water high

    All of the non-reactive, or colloidal, silica is rendered soluble above 600 psig and hence all of the silica in the boiler is, theoretically, capable of being vaporized. Boiler water will always test positive for silica because of the small reactive SiO2 leakage by the demin plant.Get Price

  • Solution to the colloidal silica problem in the San Luis

    Although a demineralizing plant existed for the boiler feed water make up, the ion exchange resins were not able to retain the colloidal silica. Also, the First Unit operation was held at 25% of its rated capacity; in trying to raise the output to 50%, the silica concentration in the boiler water went over the allowed limits, resulting in a Get Price

  • Silica Scale Inhibition for Steam Generation in OTSG Boiler

    Mar 16, 2004 · Silica removal is very expensive in terms of investment and operating costs. The risk of silica salt deposition in the boiler tubes becomes significant when the silica content in the feed water exceeds 100 mg/l (OTSG boiler supplier specifications). Deposition of silica increases local thermal resistance and can lead to tube failure.Get Price

  • Silica Scale Inhibition for Steam Generation in OTSG Boiler

    Mar 16, 2004 · Silica removal is very expensive in terms of investment and operating costs. The risk of silica salt deposition in the boiler tubes becomes significant when the silica content in the feed water exceeds 100 mg/l (OTSG boiler supplier specifications). Deposition of silica increases local thermal resistance and can lead to tube failure.Get Price

  • What is the difference between colloidal silica and

    Answer (1 of 2): In deionisation of water as boiler feed, for power generation, it is imperative to remove both the types of silica. Colloidal silica as the name suggests, is polymerised silica in an insoluble colloidal form without a charge and hence not …Get Price

  • How to measure concentration of colloidal silica in water?

    Colloidal silica slips through the demineralisation (DM) plant to get converted into reactive silica at high temperature and pressure leading to severe problems in boilers. When reverse osmosis (RO) plants are used in water treatment, colloidal silica and associated impurities can foul RO membranes leading to drop in productivity.Get Price

  • Water Treatment – NEU. - NEUCHEMIE

    Boiler system components, and the mechanisms by which deposits form and corrosion occurs, are varied and complex. A complete boiler water treatment program may include: 1. Chemicals to react with feedwater hardness 2. Sludge conditioners to prevent suspended solids from sticking to the boiler metal 3. Oxygen scavengers to prevent corrosion 4.Get Price

  • Quick Answer: How Do You Treat Silica In Water 2

    After silica enters the boiler water, the usual corrective action is to increase boiler blowdown (to decrease the boiler water silica to acceptable levels) and then to correct the condition that caused the silica contamination. The other form of silica in the water is known as "Colloidal Silica". This form is a polymeric form of silica Get Price

  • Efficiency Improvement | NTPC

    Development of technique for online monitoring of colloidal silica in steam water cycle Colloidal silica is difficult to be analysed and causes severe problems in boilers and turbines. NETRA is developing an online method for detection of colloidal silica in DM water so that preventive measures can be taken.Get Price

  • Water Handbook - Water Sources, Impurities and Chemistry

    High boiler water silica and low feedwater values are often a first sign that colloidal silica is present in the makeup. One method of identifying colloidal silica problems is the use of atomic emission or absorption to measure feedwater silica.Get Price

  • Silica Monitoring TECHNICAL NOTE On Power Plant

    Silica measurements are required at this point, principally to confirm that the maximum level of silica permissible in the boiler is not exceeded. 9 – Boiler Drum Silica build-up is monitored inside the boiler drum. The silica concentration is distributed between the water and vapour phases in a boiler. As the temperature andGet Price

  • zahid Ali satkut - Petroleum Chemist - KNPC | LinkedIn

    • Analysis of industrial effluents treated water, Cooling Tower & Boiler water as well as other utility samples. • Preparation and standardization of analytical solutions. • Wet Analysis of Silica content in Colloidal Silica Sol. • Analysis of Ethyl Silicate.Get Price

  • Boiler Feed Water Treatment for Industrial Boilers and

    Nov 01, 2004 · Silicate and colloidal deposits decrease boiler efficiency and also result in premature failure of turbines. Ultrafiltration can remove greater than 99% of colloidal silica, as well as precipitated iron and aluminum. The reduction in particulate matter, suspended solids and total organic carbon (TOC) also enhance turbine and boiler efficiency.Get Price

  • COLLOIDAL SILICA IN BOILER WATER

    Oct 01, 2018 · Boiler water will always test positive for silica because of the small reactive SiO2 leakage by the demin plant. A colloidal silica slip will significantly increase the SiO2 levels in …Get Price

  • Colloidal Silica Problem??? - Chemical plant design

    Jun 08, 2005 · Even those lab results have poor resolution. The cutoff for detectability at one lab was 100 ppb colloidal silica. Obviously we could have been adding 99 ppb colloidal silica in our make-up water that the boiler was converting to reactive silica. So the lab results were not the definitive CSI: results we would have liked to have :).Get Price

  • Carlos Miguel Batallas Guerra - General - ec.linkedin.com

    COLLOIDAL SILICA IN BOILER WATER Recomendado por Carlos Miguel Batallas Guerra. Foto Foto Compartido por Carlos Miguel Batallas Guerra. Unirse para ver toda la actividad Experiencia General Manager GRUPO QUÍMICO INDUQUIM jul. de 1992 - actualidad 29 años 6 meses Get Price

  • Silicate Scale Inhibitor Evaluation and Applications

    Apr 19, 2021 · The formation of silica and silicate scales have been problematic issues in numerous operation systems, such as sour water stripper system, boiler and cooling tower, geothermal wells, steam generators, alkaline surfactant polymer (ASP) flood, and waste water disposal systems. 1-21 Silicates are primary deposit concerns in cooling tower systems with …Get Price

  • Why is it necessary to remove Silica from Industrial Water

    Aug 03, 2021 · Silica removal is installed in a variety of industrial applications, this includes raw water treatment, cooling tower makeup water, boiler feed treatment, and blowdown water treatment. Silica can exist in different forms of granules, colloids, or reactive ions, and choosing the right silica removal technology relies on which physical forms of Get Price

  • De-mineralization of Water - SlideShare

    Mar 06, 2015 · Ion exchange resins do provide some colloidal silica reduction through the filtration mechanism, but they are not very efficient at this process. Silica is a problem for high-pressure boilers, causing precipitation on the blades, which reduces efficiency. Both types of silica, colloidal and reactive, can cause this problem. 44. MIXED BED Get Price

  • THE REMOVAL OF SILICA FROM WATER FOR BOILER FEED …

    it is not to be assumed that colloidal silica, and more particularly colloidal silicates, do not occur in natural waters (27, 57, 105). Such occurrence undoubtedly exists, but it is reasonably certain that complete clarification will remove this form of siliceous material. A paper to be presented before the meeting of the Joint Boiler Feed WaterGet Price

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