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For many industrial sectors (energy, chemistry, agro-food, automobile, metallurgy, paper production, etc.), water is a major strategic resource. Water is used for a wide range of processes (cleaning, disinfection, rinsing, cooling, heating, cutting, surface treatment, producing steam and vapor, etc.) and to generate a large number of finished products.
In response to European directives (particularly the CE framework directive of October 23, 2000), which requires users to manage the use of natural resources in a sustainable and responsible manner, the issues raised by using an industrial water cycle have therefore become an integral part of environmental progress and performance measures implemented at production sites. Minimizing consumption, reducing the generation of polluting waste products, ecological treatment of effluents, recycling residual water, using rain water, managing health risks associated with water…the strategies used tend towards using water in a circular manner, while preserving resources, health and the environment.
Preserving water quality therefore constitutes a fundamental concern. Recycled, treated or stored water has a reduced technical quality due to the development of a complex biological flora (including bacteria, protozoa, algae, etc.) that most often takes the form of biofilms or gelatinous aggregates.
This biological burden not only interferes with equipment function (blockage, reduced output or performance, increased corrosion and scaling), but also affects finished products (changes in texture, color, viscosity, activity, stability, etc.). Water that is not carefully managed in terms of the microbiological content inevitably leads to a variety of economic losses:
• maintenance costs: cleaning, disinfection, part replacement, etc.;
• overuse of input materials: water, detergents, disinfectants, biocidal agents, etc.;
• treatment of polluting effluents and substances that are harmful to waterways (Rejets de Substances Dangereuses dans l’Eau, RSDE);
• decreased output or impaired performance;
• decreased product quality: lack of uniformity, technical and commercial risks, returned merchandise, etc.
• use an efficient indicator to track the biological quality of water used in a process or product in real time;
• quickly identify biological shifts and thereby increase responsiveness in decision making, take corrective action efficiently and optimize treatments both economically and ecologically;
• evaluate the biological risk associated with Legionella pneumophila in water cooling towers and processes that generate vapors and aerosols;
• measure the impact of a chemical or ecological biocidal agent on plankton or biofilms.
• Measuring the total biomass of clean water used in industrial processes or technical water incorporated in non-food products;
• Continuous monitoring of the microbiological quality of a complex water-based network, particularly by creating a microbiological map of the installation;
• Optimizing cleaning-disinfection of water circuits to minimize the dose of chemical biocidal agents needed, closely define the zone to be treated or evaluate the effectiveness of a disinfection procedure.
• DSA 2G Refill for analyzing the interior surfaces of equipment (vats, reservoirs, filters) and evaluating samples (from collection devices embedded in the network to facilitate evolution of the level of contamination with biofilms and their speed of formation).
• Industrial cooling towers: managing the risk of Legionella contamination in water cooling networks for industrial processes in the energy sector (thermal and nuclear power centers), the chemistry sector, the agro-food sector, etc.
• Technical water production: quality management in producing water used in the industrial sector (deionized, distilled, reverse osmosis-filtered water, etc.).