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Chemical cleaning

Cooling towers
Water side sanitation,
disinfection and descaling

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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
5th November 2026
AQUARAMA TRADE FAIR

We were once again exhibiting at Aquarama on 29 October 2026 in Leuven.

With 1,600 attendees, 158 exhibitors and nearly 20 per cent more visitors than the previous edition, the event has cemented its position as an unmissable gathering for professionals in the water technology sector.

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News
2nd November 2026
Asian Downstream Summit

We once again took part in the latest Asian Downstream Summit (ADS), a major event in the oil and gas industry which brought together the sector’s leaders and decision-makers on 28 and 29 October in Singapore.

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News
26th October 2026
2026 CCE North America Forum - Foreign Trade Advisors of France

A century of French industrial expertise, celebrated in Houston!
CTP environnement sponsored this year’s event and was honoured at the gala dinner as a centenary company, alongside SLB.

The forum took place from 21 to 23 October in Houston under the theme ‘New frontiers: making decisions today in a reshaping world’.

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