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Contained Bottom Discharge for Double-Wall Tank

Secondary containment is an important safeguard that helps plant operators mitigate the costly risks of chemical spills. Many companies are realizing the business advantages of switching from open-top tanks and concrete basins to a double-wall containment system.


When our customers are weighing their options, they usually have several questions about double-wall containment. Here are some of the most common questions and answers about double-wall containment systems.

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Topics: Tank Design and Materials



How to Make Sure Your Tank’s Walls Are Thick Enough

Proper chemical storage is an important aspect of operating a plant or facility. In order to ensure that your chemicals are stored safely in polyethylene tanks, you need to choose a tank with the correct wall thickness. A fraction of an inch can make the difference between a tank that lasts for decades and one that fails early.

Here’s what you need to know about determining the correct wall thickness for your chemical storage tank.

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Topics: Tank Design and Materials



Can Your Storage System Meet the Challenges of Polymers?

Polymers are used in wastewater treatment plants to flocculate or coagulate suspended solids to produce large curds of solid materials. They also aid in dewatering digester cake, in order to reduce the water content and permit easier, less expensive transporting of waste materials to the landfill.

Polymers present unique storage challenges and require customized storage solutions to keep your workers safe and your costs low. Let’s explore these challenges and solutions.

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Topics: Chemicals, Tank Design and Materials



Are You Using the Safest Full-Drain Tank on the Market?

Properly storing chemicals also means completely draining your storage tanks. Your regular maintenance and cleaning routine must include fully draining your chemical tanks to prevent contaminating new batches.


But sometimes, draining the tank is easier said than done. Space constraints, incorrect fitting placements, and dealing with hazardous chemicals can all complicate routine maintenance.

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Topics: Tank Design and Materials



A Better Chemical Storage Solution for Municipal Water Treatment Plants

 It’s common for wastewater treatment plants to rely on cross-linked polyethylene chemical tanks, but many municipal drinking water plants are using inferior linear polyethylene or fiberglass tanks. While the short-term benefits are tempting, using linear polyethylene or fiberglass tanks is like pouring money down the drain. Instead, Poly Processing’s cross-linked polyethylene (XLPE) tanks give you better performance, greater cost-effectiveness and more innovative solutions.

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Topics: Tank Design and Materials



How to Dispose of a Chemical Storage Tank


Customers often ask us how to dispose of a chemical storage tank once it has reached the end of its useful life. Even though we do not offer disposal services, we can offer you guidance for proper chemical tank disposal. Here is the fundamental information you need to know before you haul away your polyethylene chemical storage tank.

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Topics: Tank Design and Materials



How Rotational Molding Tank Manufacturers Differ



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Topics: Tank Design and Materials



Don’t Be Surprised by the Hidden Costs of a Tank Repair


When you purchase a chemical storage tank, you’re making choices that affect the cost of the tank. But, you’re also making several decisions that could impact future expenses if a tank repair or replacement is needed.

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Topics: Tank Design and Materials



Get a 10x Value from Your Steel Tank Lining System


Steel tanks and vessels provide exceptional strength, but they’re susceptible to chemical corrosion. Any steel tank used for storing harmful chemicals will need to be protected with some form of internal lining/liner. A polyethylene lining system is designed to protect your steel tank against the harshest chemicals to give you broad chemical resistance alongside the durability and strength of a steel tank.

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Topics: Tank Design and Materials



Advantages and Uses of Powder Coating for Chemical Storage Systems

Powder coating is a dry finishing process that uses powder to create a high-quality finish on surfaces. The coating is applied with a combination of electrostatic charge and heat curing process. Powder coatings are available in thousands of colors, and are as versatile as liquid paint, while offering some advantages over the traditional painting process.

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Topics: Fittings and Accessories, Tank Design and Materials