A steel mill was having problems with their existing H2O2 installations due to age and poor materials of construction, which led to significant routine downtime for repair.
USP Technolgolies (USP) was asked to supply two turn-key equipment systems, thereby improving safety and operational reliability.
USP supplied 35% hydrogen peroxide, one 1,100 gal turn-key storage and dosing system (pictured), one 6,500 gal turn-key storage and dosing system, remote tank monitoring & product inventory management services, equipment system installation, start-up and ongoing maintenance as well as applications support and safety training. The systems have been operating smoothly and without incident since installation.
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Collections System Installation using PRI-SC®
This is a sample 7,800 gallon ferrous chloride (FeCl2) storage and dosing system installation within the collection system of a large Southeast municipality. The FeCl2 is used in conjunction with hydrogen peroxide as part of USP Technologies’ proprietary PRI-SC® process.
PRI-SC® is a combination treatment that integrates iron salts with hydrogen peroxide (H2O2) in a synergistic fashion. At the most basic level, PRI-SC® treatment may be viewed as an oxidant (hydrogen peroxide) regenerating the spent iron salt (FeS) in-situ, yielding fresh ferric (Fe3+) iron and colloidal sulfur. The combined treatment provides cost benefits superior to either chemical alone, while allowing greater flexibility as to the placement of storage and dosing facilities. Other benefits are accrued to the reaction, including: reduced solids (FeS) loadings, accelerated reaction rates and enhanced flocculation (in clarifiers). The process has particular benefit when employed for gravity interceptors, force main discharges and headworks treatment.
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