USP-OC31TM, CHLORITE OXIDANT BLEND, FOR SULFIDE AND ORGANIC ODOR CONTROL

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Introduction

USP-OC31 is a chlorite-based oxidant blend that is designed to efficiently and rapidly oxidize hydrogen sulfide and organic odors in wastewater collection systems, treatment plants (headworks, thickeners, dewatering operations) and industrial wastewaters. USP-OC31 is environmentally friendly and does not form chlorinated by-products, with the end-product being table salt (sodium chloride).

USP-OC31 Properties & Dosing

USP-OC31’s main active ingredient, sodium chlorite (NaClO2), is a fast-reacting oxidant (seconds) that provides immediate control of hydrogen sulfide and many other organic odors in collection systems, treatment plants and industrial wastewaters, particularly in solids processing operations. Unlike hypochlorite, USP-OC31 does not react with ammonia and does not form chlorinated organics. USP- OC31 oxidizes hydrogen sulfide according to the following equation…

Read More Download USP-OC31-Municipal-Tech-Bulletin-17-LR (pdf)[/vc_column_text][/vc_column][/vc_row]

PRI-SC® PEROXIDE REGENERATED IRON – SULFIDE CONTROL

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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 gained acceptance. These new alternatives, however, can increase treatment costs substantially and present limitations in themselves. USP Technologies identified and addressed this issue by lessening the adverse impacts of the older, cheaper mainstays, particularly iron salts such as ferrous/ferric chloride or sulfate that provide other benefits to wastewater treatment operations.

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PERACETIC ACID FOR MUNICIPAL WASTEWATER DISINFECTION

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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.

Peracetic acid is a strong oxidant and disinfectant with oxidation potential higher than that of chlorine or chlorine dioxide. PAA is available in the form of equilibrium mixture which also contains hydrogen peroxide, acetic acid (vinegar) and water as shown by the following equation…

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DRINKING WATER TREATMENT – HYDROGEN PEROXIDE PRE-OXIDANT APPLICATION

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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 taste and odor control, hydrogen sulfide removal, iron removal and ozone enhancement/destruction. With the EPA Stage 2 Disinfectants and Disinfection Byproducts Rule (Stage 2 DBPR) coming into effect, more recent emphasis has been on the reduction of the formation of total trihalomethanes (TTHM) and haloacetic acids (HAA5).

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CLOEVIS BIOFILM REMOVAL SERVICE

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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 sulfide. As a result, gaseous hydrogen sulfide (H2 S) production is eliminated. The treatment requires an initial conditioning period when the biofilm that harbors the SRB’s is removed, followed by maintenance treatments that are repeated as monitored lines show signs of SRB reformation.

The Cloevis technology, delivered as a turn-key, fixed-cost, full-service program, provides the following benefits relative to conventional sulfide control treatments:

  • Avoidance or minimization of onsite chemical storage
  • Independence from sulfide loading, retention time or oxygen uptake
  • No labor/maintenance requirement
  • Removal of sulfide odors for up to three weeks after treatment cycle
  • Elimination of methane production within the treated segment
  • No downstream adverse impacts due to residual treatment chemicals
  • Effective cost similar to caustic shocking and less than nitrate or iron salts
Read More Download Cloevis-BRS-Municipal-Tech-Bulletin-17-LR (pdf)[/vc_column_text][/vc_column][/vc_row]

USP-OC31TM, CHLORITE OXIDANT BLEND, FOR SULFIDE AND ORGANIC ODOR CONTROL

[vc_row][vc_column][vc_column_text]

Introduction

USP-OC31 is a chlorite-based oxidant blend that is designed to efficiently and rapidly oxidize hydrogen sulfide and organic odors in wastewater collection systems, treatment plants (headworks, thickeners, dewatering operations) and industrial wastewaters. USP-OC31 is environmentallyfriendly and does not form chlorinated by-products, with the end-product being table salt (sodium chloride).

USP-OC31 Properties & Dosing

USP-OC31’s main active ingredient, sodium chlorite (NaClO2), is a fast-reacting oxidant (seconds) that provides immediate control of hydrogen sulfide and many other organic odors in collection systems, treatment plants and industrial wastewaters, particularly in solids processing operations. Unlike hypochlorite, USP-OC31 does not react with ammonia and does not form chlorinated organics. USP- OC31 oxidizes hydrogen sulfide according to the following equation…

Read More Download USP-OC31-Industrial-Tech-Bulletin-17-LR (pdf)[/vc_column_text][/vc_column][/vc_row]

IN-BATH NOX EMISSIONS CONTROL AND SURFACE FINISHING WASTEWATER TREATMENT

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Introduction

Wastewater streams and process baths at metal surface finishing operations can be very challenging to effectively treat. USP Technologies (USP) can help metal finishers and processors by characterizing each unique situation and matching it to our technically sound and proven options for NOx emissions control in stainless steel and titanium pickling operations, as well as for treatment of organic compounds, cyanide and a range of wastewater contaminants…

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PERACETIC ACID FOR INDUSTRIAL, OIL & GAS APPLICATIONS

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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.

Peracetic acid is a strong oxidant and disinfectant with oxidation potential higher than that of chlorine or chlorine dioxide. PAA is available in the form of equilibrium mixture which also contains hydrogen peroxide, acetic acid (vinegar) and water as shown by the following equation…

Read More Download Peracetic Acid-Industrial-Tech-Bulletin-17-LR (pdf)[/vc_column_text][/vc_column][/vc_row]

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 of which are corrosive and hazardous to health.

Stationary Source Focus

With the use of catalytic converters on automobiles, the initial regulatory focus of controlling mobile NOx emissions has reached the point where further restriction has become economically impractical. Consequently, the stationary sources of NOx emissions are now being subjected to more stringent standards in many areas of the U.S . These stationary sources include nitric acid manufacturing plants, manufacturers of nitrated materials such as fertilizer and explosives, and industrial manufacturers such as metallurgical processors, glass manufacturers, cement kilns and power generators where high processing temperatures are used. Because of the environmental concerns posed by air pollution, a great deal of research and money has been expended to develop methods for controlling NOx emissions…

Read More Download NOx-Tech-Bulletin-17-LR (pdf)

ELIMINATE VISUAL EMISSIONS DURING START-UPS

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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 NOx being converted to highquality HNO3 product. The process is offered under license and is designed to minimize risk and disruption to operations. The license includes chemical storage and feed equipment, piping and instrumentation, process safety controls, installation and maintenance, training and documentation as well as H2O2 supply service…

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USP Technologies

1375 Peachtree Street NE, Suite 300 N

Atlanta, GA 30309

Toll-free (877) 346-4262

Phone (404) 352-6070

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USP - Canada

3020 Gore Road

London, Ontario N5V 4T7

Toll-free (877) 346-4262

Phone (404) 352-6070

 View a Map

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