T.U.T.O.R.
Technical Updates, Tips, or Reviews
Select Questions From Inquiring Minds About Cooling Towers By Robert Ferguson, French Creek Software
Over the past 46 years, several questions have been asked by generations of water treaters. This article describes these queries and provides practical answers. These questions are of interest because they cover concepts important to successful water reuse and maximizing cycles of concentration. Although these queries deal with cooling water systems, the concepts are applicable to other areas of water treatment. Each of the following sections will investigate relevant questions appropriate for successful water treatment. Table A: Determining Ions That Will Precipitate
How Can I Tell What Is Depositing in My System? One of the first lessons for new cooling water chemists deals with determining what scales are precipitating from a particular water. Determining what ions are precipitating is straightforward and can be done using a pad and paper, Excel spreadsheet, or intense computer water modeling program. Table A summarizes the process. Note that there is a cooling tower schematic under Table A to illustrate the system used for the chemical dosage and feedrate calculations.
75 the ANALYST Volume 28 Number 1
