Sodium Hypochlorite Storage
What is Sodium Hypochlorite?
Sodium hypochlorite is a corrosive chemical and an aggressive oxidizer; therefore, the choice of storage tank material is crucial. One Clarion high-density polyethylene (HDPE) and fiberglass-reinforced plastic (FRP) are excellent choices for this type of powerful chemicals.
Where Can I Store It?
Corrosion Resistance: Both HDPE and FRP are highly resistant to corrosion caused by NaOCl, ensuring the longevity of the tanks and safety of the storage.
Chemical Compatibility: These materials are compatible with sodium hypochlorite, preventing chemical reactions that could compromise the integrity of the stored chemical.
Temperature Control: Store at a cool temperature, ideally below 25°C (77°F), as higher temperatures accelerate NaOCl decomposition. HDPE and FRP maintain structural integrity across a range of temperatures, making them reliable for such conditions.
Ventilation: Adequate ventilation is necessary to prevent the accumulation of gases released during decomposition. Tanks made of HDPE and FRP can be equipped with proper venting mechanisms.
UV Protection: Sodium hypochlorite is sensitive to UV light. HDPE and FRP tanks can be manufactured with UV-resistant coatings to protect the contents from sunlight-induced degradation.
Secondary Containment: In case of spills or leaks, secondary containment systems are essential. HDPE and FRP can also be used for creating these containment systems, providing a uniform and compatible safety approach.
Regular Inspection and Maintenance: HDPE and FRP tanks are durable but still require regular checks. Their robustness makes them easier to maintain compared to more reactive materials.
Safety Equipment and Labeling: Ensure proper labeling and availability of safety equipment. HDPE and FRP tanks can be clearly marked and are compatible with various label adhesives.
Legal and Environmental Compliance: Using HDPE and FRP helps in complying with regulations as these materials are widely recognized for their safety and environmental compatibility in chemical storage.
Training and Procedures: Provide training specific to handling and storing chemicals in HDPE and FRP tanks.
In summary, One Clarion high-density polyethylene (HDPE) and fiberglass-reinforced plastic (FRP) are superior choices for storing Sodium hypochlorite due to their chemical compatibility, corrosion resistance, structural integrity across various temperatures, and UV protection capabilities. These factors contribute significantly to the safe, efficient, and compliant storage of NaOCl.
Note: Level of concentration is dependent on storage temperature
Secondary Containment Options
Secondary containment is required for all Sodium Hypochlorite tank systems. Engineering safety protocols recommend that secondary containment contains at least 110% of the total system volume. So, if you are storing 100 Gallons of Sodium Hypochlorite you would need at least 110 Gallons of secondary containment for Sodium Hypochlorite. A common method of providing secondary containment for Sodium Hypochlorite is to erect a concrete dike around the tank with an acid resistant coating. Other common methods are using containment basins, sumps, and double walled tanks. All Secondary containment options should adhere to local regulations and code. One Clarion provides a wide selection of secondary containment options.
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