Case Studies

Case Studies

CONTROL OF NOx EMISSIONS IN A CONTINUOUS TITANIUM SHEET METAL PICKLING BATH

Project Scope

A large stainless steel and titanium pickling and finishing company had an issue with visible NOx fumes discharging out of one of their Midwest facilities. The plant had been tasked with the elimination...
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Cooling Towers and Process Water System Cleaning Applications Using Hydrogen Peroxide

The unique properties of hydrogen peroxide (H2O2) make it a good technology for keeping cooling loops, process water loops and heat exchangers clean from fouling that can occur due to various contaminants in the water....
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Cost Savings and Performance Improvement of Large System Iron Salt Use for Integrated Sulfide Control and Chemically Enhanced Primary Treatment by Using Peroxide Regenerated Iron Technology

ABSTRACT

San Diego’s Point Loma WWTP is a 160 MGD (240 MGD permitted), 100% advanced primary treatment plant that has historically used iron salts for collection system sulfide control and chemically enhanced primary treatment. Beginning...
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DRINKING WATER TREATMENT – HYDROGEN PEROXIDE PRE-OXIDANT APPLICATION

Introduction

The use of hydrogen peroxide (H2O2) as a pre-oxidant in municipal water treatment is well documented and has been practiced for over 15 years. Historical applications of H2O2 in drinking water have been for...
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Effective Collection System Sulfide and Corrosion Management Planning

This paper presents a systematic, step-by-step approach to assist utilities in developing an effective, priority-driven, sulfide and corrosion management plan for their collection systems. Along with aging infrastructure, utilities are faced with problems with high...
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EFFECTIVELY CLEANING CELLULAR PLASTIC COOLING TOWER FILL

Abstract

The transition from splash fill and ACB fill to cellular plastic “high efficiency” film fill in cooling towers has reduced capital and operating costs. However, the generally tight and tortuous path that provides exceptional...
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ELIMINATE VISUAL EMISSIONS DURING START-UPS

NOx Control with Hydrogen Peroxide

This proprietary technology introduces diluted H2O2 into the NOx absorber during start-ups to reduce emissions of NOx compounds such as NO and NO2. Removal of >90% is achieved, with the...
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Eliminate Visual NOx Emissions during Plant Start-ups

Two nitrate products producers were looking for a solution to their visual NOx emission plumes during frequent plant start-ups that would satisfy both public and regulatory expectations.

USP Technologies was brought in to design a...
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Enhanced Chemical Treatment Calms Perfect Storm of Odor Conditions

ABSTRACT

The City of Tolleson, Arizona operates a 44.7 cubic meter per hour (m3/hr) [17 million gallon per day (mgd)] capacity, wastewater treatment plant (WWTP). Several residential and commercial developments have been built within ó...
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Phone (404) 352-6070

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