Effective cooling water treatment
Correct treatment of industrial cooling systems protects against deposits and corrosion and keeps the microbiological growth under control.
Industrial cooling requires a controlled and balanced system
To ensure optimum operation with optimised energy consumption from cooling systems, three primary parameters must be under control:
Scale formation (precipitation of salts, such as calcium carbonate)
Coatings inhibit the cooling effect
In cooling towers it is also important to keep the packing material in the tower free from deposits, which are typically caused by biofilm. Biofilm captures and builds deposits of particles from the water and from the air that is sucked through the tower.
Norlex Chemicals’ programme ensures proper cooling
All this is achieved by selecting the right combination of inhibitors and biocides based on analyses of the available water resource. Generally speaking, the programme may either be based on a near-neutral pH (about 7.0–7.4) or a weak alkaline pH (about 7.8–8.2) in the system.
Programmes based on a near-neutral pH will be more intensive protection against corrosion and will be able to use oxidising (halogen-based) biocides. Programmes that, on the other hand, are based on a weak alkaline pH will be more intensive protection against scales and will generally be using non-oxidising biocides.
Programme selection depends on water quality, system structure and other factors. Both approaches can be effective, but requires a different approach.
Monitoring, analysis, test kits and servicing
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