boiler water ph 12 danger

What is boiler water PH? And why so maintained? - Quora

> Natural water is usually between 6.5 and 7.5 pH. A common recommendation is to maintain boiler water at 8.5 pH.Acidic water is corrosive. Alkalinic water is more prone to scaling.Alkalinity is a measure of the bicarbonate (HCO3) carbonate (CO3...

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Boiler Water - an overview | ScienceDirect Topics

Boiler Water. Boiler water returned to the feed system by methods 2 and 3 does not reduce the dissolved solids in the boiler and must not be accounted as part of the blowdown for deconcentration ... 23.1.12 Accumulator. ... Maintaining the pH of boiler water in the range of 911 decreases the rate of corrosion; 9.2 to 9.8 is ideal. In low ...

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What will happen if pH value increases in a boiler? - Quora

Nice question If it's higher the boiler water won't corrode metal but it may begin to foam. Also too high pH may result in attack on copper containing parts ...

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The importance of pH in steam-boiler water

Jun 24 2014 · If the pH is lower than that the water will start eating the pipes. If its higher than that the water wont corrode metal but it may begin to foam and thats not good. Hold that thought for a moment. Youre on a job and you have a steam boiler thats taking on a lot of feed water because the system has leaks.

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pH Treatment |

Caustic attack on boilers is a localized attack due to extremely high pH (12.9 +). It can take two forms: caustic gouging or caustic cracking also called caustic embrittlement. Caustic attack or caustic corrosion is often encountered in phosphate treated boilers in which deposits of phosphates or other scale occur in high heat transfer areas.

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Jun 01 2017 · The pH control of the feedwater and boiler water is important to protect the iron from chelant attack. One (1) ppm excess chelant in the boiler water is usually satisfactory. All-volatile treatment

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