Case Study:

Halar®, Sulfuric Acid Hauling and Semiconductors

To deal with this challenge, Eldredge designed and installed a specialized spray dispersal system. Instead of the material coming into the tank in a single large stream, it passed through a special valve system with a dispersal plate, creating a spray of droplets, which dissipated the heat effectively.

Eldredge also deployed its advanced Depth Ray™ system, Liquid Level Monitoring and Control Systems, to gauge how much material had been loaded into the tank. Using the radar readout, they get a more accurate measure of the volume of co-product transferred.

The Eldredge team opted to use a straight-barrel tanker for this application, which reinforced their decision to partner with ECM to do the lining work.

Once the trailer was completely inspected and outfitted with everything needed to safely haul the sulfuric acid, the trailer went right into service. And that’s where it’s stayed for going on to four years now.

For the first year, Eldredge opted to inspect the liner every three months. They wanted to be sure that it held up to the corrosive activity of the sulfuric acid co-product. At every inspection, the liner looked great. So they went to yearly inspections in years two and three.

“After nearly 4 years of service, the liner that ECM installed still looks almost brand new! It’s great!”Bob Eldredge, President
Eldredge, Inc.

And now, as the tanker closes its 4th year of service, the Halar liner looks like it was installed yesterday! There have been absolutely no maintenance issues with the liner. The trailer is out of service only a couple of days a year for annual inspections. An outstanding testimony to the design work by Eldredge and the lining installation expertise of ECM.

Due to the success of its first tanker, Eldredge has been able to develop a client base for hauling sulfuric acid co-products and now has 6 lined trailers hauling acid. Business continues to grow and Eldredge will likely add additional trucks to its fleet.

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