Case Studies

Case Studies

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...
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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. ...
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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...
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Improve Safety and Operational Reliability

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...
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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...
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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...
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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...
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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...
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NEW YORK ISCO PROJECT – TOTAL CHEMICAL MANAGEMENT PROGRAM

Project Scope

A remediation contractor received a contract to clean up a former Manufactured Gas Plant (MGP) waste collection area. After thorough site characterization, bench testing and a pilot study, the consulting engineer and the...
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NITROGEN OXIDES (NOX) ABATEMENT WITH HYDROGEN PEROXIDE

Introduction

Nitrogen oxides are major pollutants in the atmosphere and are a precursor to acid rain, photochemical smog, and ozone accumulation. The oxides are mainly nitric oxide (NO) and nitrogen dioxide (NO 2 ), both...
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