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  2. Dealkalization of water - Wikipedia

    en.wikipedia.org/wiki/Dealkalization_of_water

    In general, a dealkalizer is best applied to boilers operating below 700 psi (48 bar). In order to justify installation of a dealkalizer on low-pressure boilers, the alkalinity content should be above 50 ppm with the amount of make-up water exceeding 1,000 gallons (approx. 4,000 litres) per day.

  3. Boiler feedwater - Wikipedia

    en.wikipedia.org/wiki/Boiler_feedwater

    Boiler water treatment is used to control alkalinity, prevent scaling, correct pH, and to control conductivity. [3] The boiler water needs to be alkaline and not acidic, so that it does not ruin the tubes. There can be too much conductivity in the feed water when there are too many dissolved solids.

  4. Alkalinity - Wikipedia

    en.wikipedia.org/wiki/Alkalinity

    Total alkalinity is not (much) affected by temperature, pressure, or pH, and is thus itself a conservative measurement, which increases its usefulness in aquatic systems. All anions except HCO − 3 and CO 2− 3 have low concentrations in Earth's surface water (streams, rivers, and lakes). Thus carbonate alkalinity, which is equal to [HCO − ...

  5. Steam and water analysis system - Wikipedia

    en.wikipedia.org/wiki/Steam_and_water_analysis...

    Steam and water analysis system (SWAS) [1] is a system dedicated to the analysis of steam or water.In power stations, it is usually used to analyze boiler steam and water to ensure the water used to generate electricity is clean from impurities which can cause corrosion to any metallic surface, such as in boiler and turbine.

  6. Analysis of water chemistry - Wikipedia

    en.wikipedia.org/wiki/Analysis_of_water_chemistry

    To ensure consistency and repeatability, the methods use in the chemical analysis of water samples are often agreed and published at a national or state level. By convention these are often referred to as "Blue book". [4] [5] Certain analyses are performed in-field (e.g. pH, specific conductance) while others involve sampling and laboratory ...

  7. Caustic embrittlement - Wikipedia

    en.wikipedia.org/wiki/Caustic_embrittlement

    The presence of sodium hydroxide makes the water alkaline in nature. This alkaline water enters minute cracks present in the inner walls of the boiler by capillary action . [ 2 ] Inside the cracks, the water evaporates and the amount of hydroxide keeps increasing progressively.

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