Boiler Feedwater Pre-Treatment Equipment

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What is the main goal of municipal potable water treatment systems?

To remove pathogens

Where can the local water quality reports be found for most end-user facilities?

Online through the local water utility

What is one of the important factors in understanding what conditions have to be treated and how to size the pre-treatment equipment?

Local water chemistry

What are some of the aspects that municipal water requires further treatment for?

<p>Dissolved gases, dissolved solids, and pathogens</p> Signup and view all the answers

Where can one obtain the water report if it is not available online?

<p>Contacting the local utility</p> Signup and view all the answers

What are the three main steps commonly used in municipal potable water systems to purify their water?

<p>Remove pathogens, disinfect, and remove solids</p> Signup and view all the answers

What is the primary purpose of adding free chlorine to the water in the municipal treatment process?

<p>To disinfect the water</p> Signup and view all the answers

Why is it important to remove residual chlorine from municipal water before using it in a boiler?

<p>To prevent corrosion in the boiler</p> Signup and view all the answers

What could be a potential consequence of making municipal water too basic (high pH) for boiler use?

<p>Foaming and embrittlement can occur</p> Signup and view all the answers

What is the purpose of the clarification step in the municipal water treatment process?

<p>To remove solids and organic materials</p> Signup and view all the answers

Why is it essential to pre-treat makeup water from non-municipal sources before it goes to the boiler house?

<p>To prevent corrosion in the boiler</p> Signup and view all the answers

What is the function of activated charcoal filters and degasifier towers in a boiler system?

<p>To remove residual chlorine</p> Signup and view all the answers

What is the possible process solution for acidity (low pH) in boiler water?

<p>Neutralization</p> Signup and view all the answers

Which process solution is recommended for addressing alkalinity-related issues in boiler water?

<p>Lime and Lime-Soda or Zeolite Softening</p> Signup and view all the answers

What is the possible process solution for dealing with dissolved oxygen and carbon dioxide in boiler water?

<p>Chemicals</p> Signup and view all the answers

Which process solution is suitable for mitigating the formation of hydrocarbons in boiler water?

<p>Carbon Filtration</p> Signup and view all the answers

What process solution is recommended for addressing hardness (Ca and Mg ions) in boiler water?

<p>Softening (Ion-exchange, Precipitation)</p> Signup and view all the answers

What is the possible process solution for dealing with iron (Fe) and copper (Cu) deposits in boiler water?

<p>Filtration</p> Signup and view all the answers

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