Water softening

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kannersja

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Can anyone expand on example 5.14 in the WRE depth manual (current edition). I'm not sure how they're determining the lime and soda ash amounts in the second step...

 
water softening wasn't really my strong topic so I'm not going to try and explaining because I don't want to confuse you. But, you might find the "Water and Wastewater Calculations Manual" by Lin helpful (http://www.amazon.com/Water-Wastewater-Calculations-Manual-2nd/dp/0071476245/ref=sr_1_1?s=books&ie=UTF8&qid=1453382042&sr=1-1&keywords=water+and+wastewater+calculations+manual)

There is a small discussion in chapter 5 on water softening.

Hopefully someone smarter than me can help you here.

 
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