The system is 1200 m3/hr circulation of cooling water. We make up fresh water and blow down some of cooling water from the system to maintain its quality continuously.
In the past, we scooped off the foam from the surface of water. But, the foam had never used up. So, we decided not to do it again. It only wasted our time and efforts.
For make up water we use industrial water that is in good condition.I hope this could make thing clear.
This is the 4 years since I found foaming on the surface of cooling water system in our plant site. Until now I don't know the reason why such foaming appears. Charging a chemical to remove such foaming was not effective. I have also checked for leakage of oil or other organic material through heat exchanger or other equipment.
Could you suggest me what should I do to remove foaming from cooling water? Or may be some of you have the same problem in the past. Thanks for your help.
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