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00329 Is There Enough Polymer In The Tower?

Product Number: 51300-00329-SG
ISBN: 00329 2000 CP
Author: Suresh Patel, Patrick J Sullivan, Frank O'Brien, Mark T Muldoon, Dale V Onisk and James W Stave
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The concentration of active chemical components that control deposits and corrosion in cooling water systems is often derived from a combination of techniques ranging from mass balance to measuring "traceable" components of the formulation. An example of the latter would be the use of molybdate which can be easily measured in cooling water systems but does not provide any corrosion or deposit inhibiting activity at the dose concentration. As it is a "tag" to the cooling water formulation its concentration does not necessarily directly reflect the concentration of active components in the system. In order to accurately monitor the active components of a cooling water formulation, a test that is specific for the components in question must be utilized. To address this issue, an immunoassay-based test has been developed which uses antibodies that specifically bind to the functional polymer. Polymer concentration can be determined by a color reaction that takes place on a test strip. The test requires 10 minutes to conduct and it is user fi'iendly. Laboratory results demonstrating detection specificity as well as quantifying polymer concentration present under typical cooling water conditions is presented. The information shows that it is possible to accurately monitor active chemical components of a cooling water formulation with an easy to use field method. Keywords : detection, test kit, immunoassay, polymer, polymaleic acid, monitor, scale, calcium carbonate, cooling water, fouling, corrosion, water treatment programs, cooling tower.
The concentration of active chemical components that control deposits and corrosion in cooling water systems is often derived from a combination of techniques ranging from mass balance to measuring "traceable" components of the formulation. An example of the latter would be the use of molybdate which can be easily measured in cooling water systems but does not provide any corrosion or deposit inhibiting activity at the dose concentration. As it is a "tag" to the cooling water formulation its concentration does not necessarily directly reflect the concentration of active components in the system. In order to accurately monitor the active components of a cooling water formulation, a test that is specific for the components in question must be utilized. To address this issue, an immunoassay-based test has been developed which uses antibodies that specifically bind to the functional polymer. Polymer concentration can be determined by a color reaction that takes place on a test strip. The test requires 10 minutes to conduct and it is user fi'iendly. Laboratory results demonstrating detection specificity as well as quantifying polymer concentration present under typical cooling water conditions is presented. The information shows that it is possible to accurately monitor active chemical components of a cooling water formulation with an easy to use field method. Keywords : detection, test kit, immunoassay, polymer, polymaleic acid, monitor, scale, calcium carbonate, cooling water, fouling, corrosion, water treatment programs, cooling tower.
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