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Chemical cleaning

Furnaces
Fire side cleaning
Online or offline
Rapid return on investment

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Chemical cleaning Furnaces

Full cleaning

Fire side chemical cleaning of industrial furnaces consists of removing refractory fibres, soot and dust from the surface of tubes.

All aspects of the furnaces are covered: radiation, convection, air pre-heater.

Industrial boilers working with a negative draft can also be cleaned while in operation.

A return to original performance levels

The aim is to restore the thermal capacities of furnaces without damaging their component parts, including tubes, tube holders, sensors and refractory materials.
The surface condition of tubes is restored, guaranteeing the best possible heat exchange.
Online cleaning enables optimum performance to be maintained throughout operation, with a positive environmental impact:

  • Fuel savings
  • A reduction in CO2, NOx and SOx discharges
  • No effluent

Proven effectiveness

Both offline (Neutrol® process) or online (Neutramex® process), CTP has taken advantage of its long-standing experience and partnerships with refiners on all five continents to design and continuously develop its procedures, in order to always satisfy the most exacting requirements.

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United States

Heater / Furnace cleaning during a shutdown

Offline cleaning of a convection section in a petrochemical plant using our Neutrol® process

CTP environment America performed an operation on a plant belonging to one of the world’s largest chemical groups where various chemicals are produced using oil by-products. The operation involved cleaning a convection section during a shutdown.

France

Online fire side treatment of industrial furnaces

Online cleaning of 4 furnaces using the Neutramex® process

France’s largest refinery asked CTP environnement to clean 4 furnaces within the site’s cracking unit. Due to the use of fuel that causes clogging, these facilities require regular maintenance to recover design operating data.

News
27th January 2026
Carrefour des Gestions Locales de l'Eau 2026

We exhibited on 21 and 22 January at the Carrefour des Gestions Locales de l’Eau in Rennes, which has been bringing together all public and private stakeholders in the water sector for over 25 years.

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News
2nd January 2026
Happy New Year

CTP environnement group wishes you all the best for 2026!

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