91-04: Fail-Safe Cooling Water Operations Natural Draft Towers cleaned up algal masses and

cleaned up algal masses and reduced biofilms in the cooling systems

The final affluent is 1

employing an induced-draft cooling tower

A number of biocides were screened for their ability to inhibit growth of ammonia-oxidizing bacteria in both a mineral salts medium and the cooling water in a series of laboratory tests

In addition

91-04: Fail-Safe Cooling Water Operations Natural Draft Towers cleaned up algal masses andProper attention to cooling water systems operating and control parameters, and quick response to early warning signs of impending trouble can usually prevent sudden or unexpected problems. Cooling water programs and corresponding operating parameters must be evaluated and selected carefully, based on practical systems conditions. Regular chemical testing and trending of data will highlight undesirable effects before they become serious using the