Hypochlorous Acid (HOCl) Handling Design, Loading, and Installation.

Although no two Hypochlorous acid (un)loading solutions will be identical, the product itself determines much of the critical design criteria that will ensure that optimum safety and productivity can work together in harmony. 

What is Hypochlorous acid? Hypochlorous acid, also referred to as electrolyzed water (EW) is a weak acid that forms when chlorine dissolves in water, and itself partially dissociates forming hypochlorite. It contains 5.25% sodium hypochlorite (NaOCl) which is a very strong oxidizer for bleaching textiles and is very effective in cleaning stains and killing microorganisms, such as bacteria and molds. On the other hand, hydrochloric acid (HCl) completely dissociates in an aqueous solution, resulting in a strong acid.

In the United States, is a “tight-fill” (closed-loop) (un)loading operation and is loaded into rail cars via chemical hoses or 3” stainless steel loading arms. HSA  if not handled properly can cause serious injuries and Personal Protective Equipment (PPE) is required. Additionally, because operators are on top of the vehicles during the loading process, robust, well-designed fall prevention is essential to ensure increased throughput, without compromising operator safety. HSA is typically shipped in 26,000 gallon DOT-103 rubber lined, insulated or non-insulated tank cars with safety valves.  The rails cars themselves are ~ 9′ outside diameter with an overall length of ~45’ to 50′, with a 6’ x 6’ center opening or off-set crash box openings.


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Contract#  47QSAWA19D0085  
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