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Part 1 of 3
Minerals may attach to cooling system surfaces resulting in plugging of pipes, water distribution nozzles, drift eliminators and condenser tubes. This build up or scaling occurs from inadequate reduction of dissolved minerals. Decreases in temperature and/or pressure may also contribute to scaling. Ultimately, scaling diminishes the system’s heat transfer efficiency.
Scale prevention often involves the addition of softeners and scale inhibitors in the water chemistry matrix and/or the use of Zeolite or lime softening systems. Reducing the total dissolved solids (TDS) by increasing blowdown is also an option, but an expensive one due to increased raw water costs, wastewater treatment charges and chemical usage.
|Key parameters to monitor in the battle against scaling include:|
|Automatically regulate softening level||SP510 Hardness Analyzer|
|Field test for scaling||Digital titrator for hardness
Complete Boiler and Cooling Water Test Kit
|Test for difficult to remove silica||Series 5000 Silica Analyzer|
|Manage automatic sulfuric acid addition for alkalinity control||Differential pH Digital Sensor|
|Lab check for alkalinity||Alkalinity test kit|
|Control TDS and optimization of cycles||Digital Inductive Conductivity Sensor with gateway and sc200 or sc1000
Pocket Pal TDS Tester
HQ30d Single-Input Multi-Parameter Meter
HQ40d Dual-Input Multi-parameter Meter
|Automatically regulate disinfectant level||CL17 Chlorine Analyzer
CLF10 sc Free Chlorine Sensor
|Monitor to ensure disinfectant effectiveness||Differential ORP Digital Sensor|
Hach has a complete portfolio of instruments and chemistries with support and services to help you get the right results.