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Chemical cleaning

Cooling towers
Water side sanitation,
disinfection and descaling

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Applications
Chemical cleaning Cooling towers

In response to
the challenges
of offline cleaning

Preventive and curative cleaning of cooling towers and their related circuits represent services with significant challenges:

  • Health and environmental challenges: controlling the risk of Legionnaire’s disease, end-to-end management of by-products, etc.
  • Legal and image-related challenges: liability and brand image in the event of contamination, relations with the Regional Board for Industry, Research and Environment, etc.
  • Technical challenges: the effectiveness of cleaning and related work, site safety, etc.
  • Economic challenges: limiting production stoppages, the performance of facilities, the longevity of equipment, etc.

Experience and compliance with statutory requirements

CTP environnement has been performing these operations on behalf of its clients since the early 2000s, by following the recommendations of the Guide to Good Practice, and in accordance with the applicable regulations:

  • Statutory pre-disinfection
  • Complete draining
  • Mechanical and/or chemical cleaning
  • Disinfection


Our operations are carried out by trained personnel with the necessary resources to prevent risks.

We can also supply and install wear parts: packing, droplet separators, spray nozzles, etc.


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France

Chemical cleaning of an air-cooled heat exchanger for a nuclear plant’s pool water

Descaling a cooling tower by chemical circulation

CTP environnement’s teams were contracted to clean a 12 m (39 ft) long and 4 m (13 ft) high heat exchanger, which equated to approximately 2 tons of residue, primarily made up of calcium carbonate (CaCO3).

France

Annual cleaning of the water loop in thermal power plant

Mechanical cleaning of the cooling tower and steam condenser during shutdown

Every year, our client cleans the water loop on its production site to:

  • Comply with the statutory requirements for cooling towers
  • Restore the steam condenser performance to its original level
France

A complete cleaning service with the replacement of cooling tower packing

High-pressure mechanical cleaning, packing replacement using a crane and waste disposal

Our client, a leading player in the chemical industry, asked CTP environnement to carry out mechanical cleaning of the cooling tower for the water supplied to its workshops, and to clean the tank (not including pumping out).

France

Cleaning cooling towers during a production shutdown

Mechanical cleaning of 4 cells and 2 tanks (hot and cold water)

During the periodic shutdown of part of its plant, our client contacted CTP environnement for the complete cleaning of facilities in which the method used could no longer be sustained because of changes to regulations.

News
3rd July 2026
EcoVadis Gold Medal: Recognition of our CSR approach

Sustainability is at the core of our DNA.

Today, we are especially proud to announce the achievement of the prestigious EcoVadis Gold Medal, recognizing our concrete actions in Corporate Social Responsibility (CSR).

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News
24th June 2026
7th International PFAS Congress

We attended the 7th International Congress on Environmental and Health Risk Management for Contaminated Sites, which took place in Paris from 16 to 19 June 2026.

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News
Tuesday 14th April 2026
ASIA WATER 2026

We exhibited at the AsiaWater expo and forum 2026, back at the Kuala Lumpur Convention Centre (KLCC) from 7-9 Apr 2026. This 14th edition was set to be a platform for the water industry in developing Asia, to experience the innovations in water management, from resource management to wastewater treatment.

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