Technical Library

Introduction

Peracetic Acid (PAA) is an organic peroxide compound with the formula CH₃CO₃H. It is environmentally friendly as it hydrolyzes to acetic acid and hydrogen peroxide in water. It is a broad-spectrum biocide with a fast reaction time in minutes and leaves no harmful by-products.

Peracetic acid is a strong...
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Introduction

Peracetic Acid (PAA) is an organic peroxide compound with the formula CH₃CO₃H. It is environmentally friendly as it hydrolyzes to acetic acid and hydrogen peroxide in water. It is a broad-spectrum biocide with a fast reaction time in minutes and leaves no harmful by-products.

It is a strong oxidant...
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ABSTRACT

Iron salts are used by municipalities worldwide to control hydrogen sulfide within collection systems and to enhance primary clarification at treatment plants. However, the two uses are not synergistic: the product of the sulfide reaction is predominantly ferrous sulfide (e.g., FeS), a tightly-bound black precipitate that does not enhance...
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Introduction

Sulfide odor control within sanitary sewers has been practiced for over 50 years, yet only recently have substantive advances been made. Where once the choice of chemical treatment was either chlorine or iron salts, safer and more environmentally benign technologies based on hydrogen peroxide, nitrates and/or magnesium hydroxide have...
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ABSTRACT

The City of Raleigh has been using ferrous sulfate (FeSO4) for years in their collection system for hydrogen sulfide and plant phosphorus control. Several years ago the Neuse River wastewater treatment plant upgraded their ultraviolet disinfection (UV) system to a higher intensity lamp technology. Although the UV system was...
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Rapid Response for Environmental Treatment Challenges

USP Technologies is uniquely positioned to rapidly respond to your environmental treatment challenges. USP combines experienced applications and equipment field support with a large inventory of storage systems and pumping modules to respond quickly to time sensitive water and wastewater treatment situations.

USP Technologies’ Rapid...
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On a late Friday afternoon in June, a call came in to USP Technologies: a major poultry processing plant in the Southeast was in danger of violating their wastewater discharge permit.  They needed a solution fast or face fines, a temporary shutdown of operations and significant lost revenue.

The poultry...
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In North America, approximately 1 billion gallons of used oil are collected annually from generators such as quick lubes, truck fleets, and manufacturers.  Several companies have begun the process of re-refining this hydrocarbon-rich waste product.  Re-refining allows the lubricating oil to be repeatedly re-used as a higher value product.

Re-refining...
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Project Scope

A gulf coast refinery was experiencing unacceptable hydrogen sulfide (H2S) releases into occupied work areas in the Coker unit during cutting & quenching operations. Refinery Coker units are used to process residual oil or ‘heavy ends’. A part of the coking process requires quenching the hot coke with...
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