Inertisation
Why inerting
Inert gases: the right protection for every process
In chemical and pharmaceutical processes, inert gas plays a crucial role: preventing explosive atmospheres and protecting stored products from degradation caused by contact with oxygen or moisture.
SIAD supports its customers with certified gases, technical advice and reliable supplies to identify the right solution based on the product being processed and the operating conditions, ensuring constant safety and process continuity.
Safety
Prevention of potentially explosive atmospheres
Control
Monitoring of residual oxygen and humidity
Compliance
Compliance with current safety regulations
Close to you, wherever you are
Close to you, wherever you are
Through our extensive network of branches and agencies, we provide local support to all our customers and partners, listening to their needs. Find your nearest SIAD branch.
Research to support your processes
Research to support your processes
The Life Gases Division is SIAD’s strategic business unit dedicated to the production and supply of gases that support key industrial and medical processes. SIAD’s researchers actively monitor new findings on the biological properties of gases and develop increasingly specialised applications for the chemical and pharmaceutical industries.
Certified process quality
Certified process quality
The Analytical Support Service (SAA) assists customers with gas analysis and the qualification and validation of processes. Specialised technicians carry out on-site analyses and sampling at the SIAD Central Laboratory, and deliver training courses directly on site.
Products and services for inertisation
SIAD offers a comprehensive range of inert gases for the protection of reactors, storage silos and pipework, ranging from standard nitrogen solutions to alternatives tailored to specific processes. The choice of gas depends on the product being handled – whether it is perishable, chemically oxidisable or flammable – and on the operating conditions. All this is backed by technical advice and guaranteed supply.
Nitrogen: the standard gas for inerting
Nitrogen is the most widely used inert gas for inerting: it is inert towards almost all stored products and is less soluble in liquids than, for example, carbon dioxide. It is fed into the top of the tanks via a low-pressure line (200–300 mm H₂O), maintaining an inert volume to protect the product. The most cost-effective, safe and straightforward solution.
Argon and carbon dioxide for specific processes
For those requiring bespoke solutions, SIAD offers argon and carbon dioxide as inert gases that serve as alternatives to nitrogen. All inert gases work by narrowing the flammability range of the combustible product: they raise the lower explosive limit (LEL) and lower the upper explosive limit (UEL), whilst keeping the oxygen concentration below the Maximum Oxygen Concentration (MOC), the maximum concentration beyond which an explosion cannot occur.
Gas is always available with the Flexigas service and fixed tanks
Flexigas is the service that guarantees the correct quantity of gas, tailored to the consumption requirements of the production process. Mobile cryogenic containers supply a greater volume of gas whilst taking up the same space as a 25-cylinder bundle, with maintenance included and automatic reordering. In the event of significant demand for nitrogen gas, storage capacity can be increased by installing fixed storage tanks with greater capacity, as is the case for major chemical and pharmaceutical clients in the industrial sector.
Contact us
Do you work with processes that require inerting?
Speak to one of our experts, who will help you identify the most suitable inert gas and supply method for your process, from selecting the gas to sizing the system.
Related applications
Other SIAD applications for the chemical and pharmaceutical sectors
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