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Videos

Enhanced Phosphorus Control Resulting from a Rigorous Odor Control Program at Lexington Kentucky — The Benefits of Iron Optimization

Summary

This paper will present results of an odor control field study initiated in July 2008 by Lexington-Fayette Urban County Government (LFUCG) to quantify the impacts of iron and peroxide injection in the collection system on liquid and gaseous sulfide levels as well as the secondary benefit of phosphorus removal...
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Fenton’s Reagent Application for Phenols Treatment

This specialty chemical manufacturer was experiencing discharge violations (phenols, bio-toxicity) resulting from ineffective treatment with their existing processes and needed to pre-treat a wastewater stream to reduce phenols by 90% prior to mixing with higher flow waste streams.

USP Technologies was tasked to design and provide a Fenton’s Reagent treatment program whereby...
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Hydrogen Peroxide – The Cedar Rapids Experience

Hydrogen Sulfide Control in Bio-Solids Processing

Hydrogen Peroxide – The Cedar Rapids Experience

The City of Cedar Rapids Water Pollution Control Facility (WPCF) treats an average of 42 MGD of mixed industrial and domestic wastewater.  Due to the large percentage of industrial wastewater contribution (e.g. paper mills, corn processors, agricultural...
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Hydrogen Peroxide Turn-key Program Helps Refinery through Aeration Basin Maintenance Outage

US Peroxide’s 27% Hydrogen Peroxide Treatment Program offered the refinery several benefits:

  • US Peroxide’s turnkey supply scope provided a safe and cost effective solution for supply of supplemental dissolved oxygen to this large refinery during the maintenance outage.
  • The biological treatment system’s performance during the outage  convinced the refinery...
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Improve Safety and Operational Reliability

A steel mill was facing recurring challenges with its concentrated hydrogen peroxide (H2O2) installations, which had become outdated and were constructed with subpar materials. These issues led to frequent downtime for repairs, significantly affecting the mill’s operations. The outdated systems not only caused delays but also raised concerns about the...
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IN-SITU CHEMICAL OXIDATION (ISCO) WITH TOTAL CHEMICAL MANAGEMENT

Project Scope

A Northeast engineering firm was selected to clean up a former roofing tar manufacturing site in Queens, NY. Following extensive bench testing and a comprehensive pilot study, they selected a treatment program using a remediation contractor’s surfactant enhanced In-Situ Chemical Oxidation (ISCO) technology. Due to the extent of...
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LANDFILL LEACHATE – LIQUID PHASE TREATMENT

Landfill leachate can be very challenging to effectively treat as it is often characterized by significant odor, high COD, phenols and dissolved metals. In some cases, leachates can be toxic or inhibitory to downstream biological treatment systems. Furthermore, due to the variability of landfill material, weather patterns and content age,...
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Large Ponds Hydrogen Sulfide Odor Control

Project Scope

A sugar processing facility was experiencing hydrogen sulfide (H2S) odor issues in their process water stabilization ponds due to anaerobic conditions. The facility’s four identical ponds are 2,500 feet long, 400 feet wide and up to 12 feet deep, with a finger dike down the middle making each...
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Modeling and Mitigating Hydrogen Sulfide in Municipal Interceptors from a High Strength, High Temperature Industrial Wastewater

ABSTRACT

In 2008, the Green Bay (Wisconsin) Metropolitan Sewerage District acquired the De Pere Wastewater Treatment Facility and interceptors from the City of De Pere. Two of those interceptors received wastewater from paper mills exhibiting high biochemical oxygen demand and high temperatures. Mill wastewater contributed 80 percent of the total...
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