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gohiljayesh
Active Contributor

Join Date: Nov 2008
Location: gujarat
Posts: 14

cooling tower COC

01/29/2010 1:43 PM

Can anybody suggest what should be optimum COC for cooling tower.?

Presently we are maintaining 1500 ppm TDS of cooling tower and make up water TDS is about 200 ppm.We need to increase cooling water TDS upto 3000 ppm.Can we do this for saving water and chemicals used for treatment?
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Tornado
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Technical Fields - Technical Writing - New Member Engineering Fields - Piping Design Engineering - New Member

Join Date: May 2009
Location: Richland, WA, USA
Posts: 21017
Good Answers: 795
#1

Re: cooling tower COC

01/29/2010 11:06 PM

It will save water, it will save on treatment chemicals, and it will deposit scale faster. This will make your process require more energy (such as compressors working against higher pressures). Economically, you must calculate (or at least estimate) how much you save on water and chemicals, versus how much you lose in decreased efficiency.

There is a rule of thumb for this--bleed off as much water as is evaporated in the cooling tower or condenser. But it is only a rule of thumb; specific conditions may lead you to revise this "rule."

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