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6. Treatments to inhibit bacterial growth and biofilms
Whatever the type of cooling circuit, whatever the nature of the make-up water, the biocidal treatments are the same:
Biocides must be selected from those authorized by law;
treatments must comply with the regulations specific to each industry concerning discharge standards;
treatments must ensure that heat exchange is maintained;
treatments must not increase corrosion.
The authorized treatments are :
-
oxidizing treatments :
using chemicals,
thanks to oxidant generators ;
treatments based on organic biocides...
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Treatments to inhibit bacterial growth and biofilms
Mineral deposits and their treatment
Bibliography
Websites
Cooling towers http://www.picardie.developpement-durable.gouv.fr/.../GUIDECETIAT_cle6fa…
Solubility products http://www.periodni.com/fr/constantes_du_produit_de_solubilite.html
...Standards and norms
- Water quality – Legionella enumeration - ISO 11731 - 2017
- Water quality – Detection and quantification of Legionella spp. and/or Legionella pneumophila by gene concentration and amplification using quantitative polymerase chain reaction (qPCR) - ISO/TS 12869 - 2019
- Corrosion of metals and alloys – Corrosion and scaling of industrial water cooling circuits – Part 1: Guidelines for pilot evaluation of anticorrosion...
Regulations
Regulation n° 9872008 of October 8, 2008 amending Annexes IV and V of Regulation (EC) n° 19072006 of the European Parliament and of the Council concerning the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH) (OJEU n° L 268 of October 9, 2008)
Regulation (EU) No. 528/2012 of May 22, 2012 concerning the placing on the market and use of biocidal products (OJEU No. L 167 of...
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