Industrial chemical cleaning
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The Ortec teams provide responsive, expert service for all chemical cleaning operations, ensuring the performance, safety and long-term reliability of your industrial facilities.
Chemical Cleaning
Performance, safety
and longevity for your equipment
As a leader in industrial cleaning, the Ortec Group keeps your equipment running at peak performance by tailoring its methods and processes to your specific operational needs.
Chemical cleaning involves circulating or spraying a water-based solution containing chemical agents through your systems.
This operation can be performed as a preventive or corrective measure, during shut-downs, while the equipment is in operation, or as part of new construction projects.
Applications
- Descaling
- Degreasing
- Deoxidation
- Decontamination
- Passivation
- Neutralization
- Custom cleaning solutions
EQUIPMENT SERVICED
- Heat exchangers: shell-and-tube, plate, Compabloc, etc.
- Tanks: vessels, spheres, drums, etc.
- Process circuits: butadiene, oxygen, cooling water, process lines, etc.
- General equipment: piping, columns, reactors, etc.


- Improve production efficiency and quality: reduce pressure losses and enhance heat exchange performance
- Optimize energy consumption: lower carbon footprint
- Extend equipment lifespan: protect metallurgy and minimize corrosion
- Eliminate contamination or pollution
ANALYTICAL APPROACH & TAILORED SOLUTIONS
To define the most suitable cleaning solutions for your equipment and products, Ortec Industrie Martigues relies on two key strengths: proven analytical monitoring protocols and a dedicated in-house laboratory.
ANALYTICAL MONITORING
Before every operation, a dedicated analysis protocol is established to define key monitoring parameters, analysis frequency and completion criteria according to each application. All analyses are peformed directly on site, ensuring real-time responsiveness, metallurgy protection and safe reinjection capability.
Key parameters
- Temperature
- Acid/base concentration
- Total iron, Fe³⁺, Fe²⁺, Cu, Zn, Ni, etc.
- Inhibition test
- pH, RedOx potential, flow rate
- Turbidity, conductivity
Analytical equipment
RESEARCH & PROCEDURE DEVELOPMENT
The in-house laboratory of Ortec Industrie Martigues conducts various tests to define custom chemical cleaning procedures, guaranteeing metallurgy integrity while addressing each client’s specific technical requirements.
Types of studies
- Corrosivity testing (exotic metallurgy, acid/inhibitor inhibition rates)
- Dissolution studies (deposit testing, product comparison under various parameters)
- Solution preparation studies
TECHNICAL RESOURCES
Ortec Industrie Martigues is fully equipped with all the necessary systems and tools to deliver high-quality chemical cleaning services:
- Recirculation tanks and skids (1–3 m³)
- Centrifugal pumps (50–300 m³/h, 5–10 bar pressure)
- Rotating spray heads
- Compatible hoses ranging from DN25 to DN100
- Adapter fittings and valves
- On-site operation with no need for equipment disassembly
- Minimized leakage risks for safer operations
- Reduced treatment time
- Lower effluent volumes
- Proven Ortec quality and commitment
- High-performance, purpose-built equipment
- Experienced and fully trained teams
Our Markets

Chemicals & Pharmaceuticals
Heavy Industries

Nuclear

Food Processing

Defense
Our Clients














Our references
Services provided
Equipment serviced:
- Evaporator bundles
- Superheaters
- Economizers
Key figures
- 285 hours
- 3 teams
Services provided
Chemical cleaning operations performed:
- Degreasing – deoxidation – descaling – passivation
Systems cleaned:
- Water – oil – process
Equipment cleaned:
- Heat exchangers – condensers – evaporators
Key figures
- 52 units cleaned
- 14 teams
- 3,338 hours
Services provided
Descaling and passivation of new Compabloc exchangers prior to site commissioning
Units: CP75 – CP50
Key figures
- 751 hours
- 20 units
- 2 teams
Services provided
Operations on steel oil and fuel lines:
- Degreasing
- Pickling
- Passivation
Key figures
- 2,192 hours
- 16 units
- 2 teams
Learn more about industrial cleaning
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