Case Studies

Case Studies

Acid Mine Drainage Treatment Case Study

Turn-key program reduced chemical expenses, solids , and energy costs.

A Northeast Acid Mine Drainage (AMD) treatment facility was using calcium hydroxide (lime) to precipitate iron from the mine pool water. The iron...
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Advanced Oxidation for High Strength Caustic Wastewater

A refinery in the Northeast was looking at options to dispose of 10,000 bbls of a high strength, high pH caustic wastewater that had been stored in one of its tanks.  The wastewater had very...
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Anaerobic Digester Hydrogen Sulfide Removal at the Manatee County, FL Southwest Water Reclamation Facility

ABSTRACT

The results of a full-scale trial initiated in May 2006 by the Manatee County Southwest Water Reclamation Facility are presented, and the impacts of peroxide regeneration of spent iron salts on the removal of...
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Bio-Solids Process Enhancements Resulting From the Use of Hydrogen Peroxide for Hydrogen Sulfide Odor Control – The San Antonio Experience

ABSTRACT

The paper will present results of a trial initiated in February 2004 by the San Antonio Water System (SAWS) to quantify the impacts of hydrogen peroxide injection prior to dissolved air flotation thickening of...
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Biosolids Odor Control at Holding Tank and Belt Filter Presses via Hydrogen Peroxide

Project Scope

A Midwest wastewater treatment plant was struggling with problematic hydrogen sulfide (H2S) levels at two points within their facility arising from biosolids processing. The factors driving the need for H2S control included worker...
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Biosolids Odor Control via Peroxide Regenerated Iron –PRI-TECH® Technology

Project Scope

A field demonstration was initiated in February 2014 by the Suffolk County Department of Public Works (SCDPW) to quantify the impacts of Peroxide Regenerated Iron-Technology (PRI-TECH®) as a more economic approach in maintaining...
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Biosolids Odor Control via Sodium Chlorite and Calcium Nitrate

Project Scope

In upstate New York, a wastewater treatment facility historically utilized potassium permanganate to control odors at two locations in their biosolids processing operations. The first location was into the waste activated sludge (WAS)...
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Case Study – Fargo, North Dakota: Hydrogen Peroxide for Regeneration of Ferrous Chloride, an Innovative Approach to Hydrogen Sulfide Control

ABSTRACT

Historically, ferrous chloride (FeCl2) injection has been utilized to successfully control odors and corrosion within the sanitary sewer collection system of Fargo, North Dakota. However, increased odor complaints prompted an evaluation of the...
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City of Wichita, Kansas’ Odor Control Program – Continuing Optimization with a Cost-Conscious Approach

ABSTRACT

This paper describes the evolving odor control program of the City of Wichita, Kansas from 2008 to 2015. In 2010, the City reduced odor control technology expenditure due to a reduction of revenues....
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CLOEVIS BIOFILM REMOVAL SERVICE

Cloevis Biofilm Removal Service (Cloevis BRS) is an innovative technology offering that removes the biofilms that adhere to the inner surfaces of wastewater forcemain walls, including the underlying Sulfate Reducing Bacteria (SRB) that produce hydrogen...
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