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Chemical cleaning

Cogeneration
Mechanical & chemical
combined process
Preventive and
curative cleaning

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Applications
Chemical cleaning Cogeneration

Targeted cleaning

CTP environnement has developed a range of cleaning solutions specifically designed for cogeneration heat exchangers, for the flue gas side.

Although the majority of cogeneration plants burn clean gas, the oils and greases used to lubricate moving parts break down at high temperatures and contaminate the vapour, which creates a fouling on the downstream heat exchange surfaces (whether these are finned or tubular).

A beneficial application

The nominal operating characteristics of heat exchangers are restored, with specifically:

  • An improvement in heat transfer and efficiency
  • A reduction in the quantity of fuel and CO2 emissions

When performed regularly, these operations ensure the long-term sustainability of equipment and maintain the energy efficiency that is the basic principle of cogeneration.

Processes tailored to the design of heat exchangers

CTP environnement has a choice of two methods, combining mechanics and chemistry, which cover all kinds of cogeneration heat exchangers:

  • Rotary jet cleaning is suitable for intra-tube cleaning: the combined action of the chemical degreaser, the temperature and the jet pressure enable residues to be removed. Each tube is treated individually to ensure completely consistent results.
  • The high-pressure spraying process is suitable for deep cleaning finned tubes: the powerful degreaser applied using a fan nozzle reaches beyond the most accessible tubes, guaranteeing a 100% uniform result, which is conducive to the right heat transfer balance.
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Canada

Offline cleaning of cogeneration boilers and treatment of effluent produced

Offline cleaning of economiser in cogeneration boilers using our Neutrol® process combined with the Geofloc® process - dewatering and neutralising the effluent produced

Our client, a major player in the production and supply of electricity in Newfoundland and Labrador (Canada), handles the generation and distribution of 80 % of the energy consumed in the province.

News
20th July 2026
Anniversary party – 100 years!

We recently celebrated the company’s centenary!

It was an emotional event reviewing the group’s history, recognising the commitment of our staff and celebrating the human dimension of our organisation!

In the company of our teams and partners at LA MAISON (France), an iconic venue in Lyon, we celebrated everyone who has contributed to this wonderful journey – in the past, the present and for the future!

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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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