Why Common Storage Tank Blanketing for Different Solvents Is Not Recommended

A one-size-fits-all approach to tank blanketing is often unsafe. Each solvent has unique properties — volatility, flammability, and reactivity — that demand tailored blanketing systems.

Tank Blanketing · 2025-03-18

When it comes to storage tank blanketing for solvents, a one-size-fits-all approach is often discouraged due to the unique properties of different solvents, which can pose distinct challenges to safety, storage, and environmental control. Each solvent has unique properties like volatility, flammability, and reactivity. Solvents such as methanol, benzene, or acetone require different blanketing systems because they react differently to temperature and pressure changes.

A Nitrogen Blanketing System helps create a protective layer inside the tank to prevent air (especially oxygen) from coming into contact with the solvent, which can cause dangerous reactions or degrade the stored product. Using a common system for all types of solvents might not provide the right amount of pressure control, leading to risks like explosions, product contamination, or harmful emissions.

Hazards of Improperly Blanketed Tanks

Improperly blanket-gassed tanks can lead to a range of hazards that compromise both safety and product integrity:

• Explosion Risk: Certain solvents can become volatile under pressure changes or temperature fluctuations. If the blanketing system does not account for the specific solvent's characteristics, the risk of ignition increases significantly.
• Product Contamination: Inadequate blanketing can result in oxygen ingress or moisture, leading to product degradation. Different solvents may react adversely when exposed to oxygen or moisture, reducing the quality of the stored material.
• Environmental Concerns: Volatile Organic Compounds (VOCs) from solvents can be harmful if released into the atmosphere. Tank blanketing systems must be optimized to limit emissions based on the specific solvent's characteristics.

The Case for Customized Blanketing

Different tanks in a storage facility require specific setups, with visible safety equipment like breather valves, pressure relief valves, and flame arresters on tanks that store more volatile materials. Each tank should be configured based on its content, showing why using different approaches to tank blanketing is safer and more efficient. Nirmal specializes in offering industry-specific solutions that optimize storage conditions based on the solvent's properties, enhancing safety, reducing risks, and improving operational efficiency.