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Composite corrosion-resistant resins hydrochloric acid tanks

News International-French

13 May 2014

AOC and Chemposite collaborate on hydrochloric acid (HCL) surge capacity tanks.

In June, oil and gas distributor Panther Industries will open a new 10-acre transload facility in Fort Saskatchewan, Alberta, Canada, to move shipments of hydrochloric acid (HCL) from trains to trucks for transport to oil fields. A critical part of the facility is four fiberglass surge capacity tanks that ensure the company has enough HCL on hand for shipments.

Chemposite, based in Delta, British Columbia, Canada, designed and manufactured the HCL tanks and liners, which feature AOC’s Vipel F010 and F085 corrosion-resistant resins. “Hydrochloric acid is a corrosive liquid and there are a lot of concerns,” says Jamie Dewar, Fort Saskatchewan project manager for Panther Industries. “We had to ensure the tank was designed to handle both vacuum and pressure. And the choice of resin had to be compatible with the product as well.”

The surge capacity tanks control pressure variations caused by the flow of HCL during the unloading process. They are designed to handle seismic loads, winds and frigid temperatures in Alberta. The tanks incorporate a dual resin system: Vipel F010, which is used in the structural layer, is a premium epoxy vinyl ester, bisphenol-A and offers a good balance of corrosion resistance and processability. The liner utilizes Vipe F085, which is an epoxy novolac vinyl ester resin.

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