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Ozone Applications

1,4-Dioxane removal with ozone A New Formulation Based on Ozonated Sunflower Seed Oil: In Vitro Antibacterial and Safety Evaluation AOP Agri-Food Processing Air Treatment Antibacterial Activity of Ozonized Sunflower Oil, Oleozón, Against Staphylococcus aureus and Staphylococcus epidermidis. Antifungal Activity of Olive Oil and Ozonated Olive Oil Against Candida Spp. and Saprochaete Spp. Aquaculture BTEX Remediation under Challenging Site Conditions Using In-Situ Ozone Injection and Soil Vapor Extraction Technologies: A Case Study BTEX removal with ozone Beef (Red Meat) Processing with Ozone Benzene Body Odors Bottled Water Cannabis Catalytic Ozonation of Gasoline Compounds in Model and Natural Water in the Presence of Perfluorinated Alumina Bonded Phases Clean in Place (CIP) Combined Ozone and Ultrasound for the Removal of 1,4-Dioxane from Drinking Water Concrete Cooling Tower Cost Effectiveness of Ozonation and AOPs for Aromatic Compound Removal from Water: A Preliminary Study Create your own Ozonated Oils Cyanobacteria and Toxin Removal with Ozone Dairy Farms Degradation of tert-Butyl Alcohol in Dilute Aqueous Solution by an O3/UV Process Drinking Water Drinking Water Disinfection E.coli O157:H7 Reduction with Ozone Effectiveness of Ozone for Inactivation of Escherichia coli and Bacillus Cereus in Pistachios Efficiency of Ozonation and AOP for Methyl-tert-Butylether (MTBE) Removal in Waterworks Ethylbenzene Evaluation of Ozone AOP for Degradation of 1,4-Dioxane Exploring the Potential of Ozonated Oils in Dental Care Exploring the Potential of Ozonated Oils in Hair Care Fire Restoration Food Odors Force Main Treatment Germicidal Properties of Ozonated Sunflower Oil Grain Treatment Groundwater Remediation Hoof Bath Hydroponic Greenhouses In Vitro Antimicrobial Activity of Ozonated Sunflower Oil against Antibiotic-Resistant Enterococcus faecalis Isolated from Endodontic Infection Influence of Storage Temperature on the Composition and the Antibacterial Activity of Ozonized Sunflower Oil Insect Control in Grains Kinetic Analysis of Ozonation Degree Effect on the Physicochemical Properties of Ozonated Vegetable Oils Lake Remediation Laundry Laundry Listeria Inactivation with Ozone MTBE removal with ozone Machine Coolant Tanks Measurement of Peroxidic Species in Ozonized Sunflower Oil Mitigation strategies for Salmonella, E. coli O157:H7, and Antimicrobial Resistance Throughout the Beef Production Chain Mold Removal in Grain Mold/Mildew Odors Municipal Water Treatment Mycotoxin Reduction in Grain Nanobubbles Odor Removal Oxidation of Methyl tert-Butyl Ether (MTBE) and Ethyl tert-Butyl Ether (ETBE) by Ozone and Combined Ozone/Hydrogen Peroxide Oxidize Tannins from Water with Ozone Oxy-Oils Ozonated Oils Ozonated Ice & Fish Storage Ozonated Mineral Oil: Preparation, Characterization and Evaluation of the Microbicidal Activity Ozonated Oils: Nature's Remedy for Soothing Bug Bites Ozonated Olive Oil Ozonated Olive Oil Enhances the Growth of Granulation Tissue in a Mouse Model of Pressure Ulcer Ozonated Olive Oil with a High Peroxide Value for Topical Applications: In-Vitro Cytotoxicity Analysis with L929 Cells Ozonation Degree of Vegetable Oils as the Factor of Their Anti-Inflammatory and Wound-Healing Effectiveness Ozonation of Soluble Organics in Aqueous Solutions Using Microbubbles Ozone Gas and Ozonized Sunflower Oil as Alternative Therapies against Pythium Insidiosum Isolated from Dogs Ozone Inactivation of E.Coli at Various O3 Concentrations and Times Ozone Regulations in Food Processing Ozone Regulations in Organic Food Production Ozone in Air Applications Ozone in Sanitation Ozone in Seafood Processing Ozone use for Post-Harvest Processing of Berries Ozone use for Surface Sanitation on Dairy Farms Pet Odors Physico-chemical Characterization and Antibacterial Activity of Ozonated Pomegranate Seeds Oil Pool & Spa Proinflammatory Event of Ozonized Olive Oil in Mice RES Case Studies Resolution Concerning the Use of Ozone in Food Processing Spectroscopic Characterization of Ozonated Sunflower Oil Stability Studies of Ozonized Sunflower Oil and Enriched Cosmetics with a Dedicated Peroxide Value Determination Study of Ozonated Olive Oil: Monitoring of the Ozone Absorption and Analysis of the Obtained Functional Groups Study of Ozonated Sunflower Oil Using 1H NMR and Microbiological Analysis Surface Sanitation TBA Removal with ozone Teat Wash Tobacco Odors Toluene Treatment of Groundwater Contaminated with 1,4-Dioxane, Tetrahydrofuran, and Chlorinated Volatile Organic Compounds Using Advanced Oxidation Processes Treatment of groundwater contaminated with gasoline components by an ozone/UV process Ultra-Pure Water Utilization of Ozone for the Decontamination of Small Fruits Various Antimicrobial Agent of Ozonized Olive Oil Vertical Farming with Ozone Waste Water Treatment Water Re-use Water Treatment Water Treatment Well Water Treatment Xylene

Cyanobacteria and Toxin Removal with Ozone

Ozonation for Cyanobacterial Toxin Removal

Effectiveness and Mechanisms:

A study investigated the efficacy of ozonation in removing cyanobacterial toxins during drinking water treatment. The research found that ozone concentrations of at least 1.5 mg/L were required to effectively destroy toxins from Microcystis aeruginosa. However, the study also highlighted that a high organic carbon content in the water reduces ozonation efficiency. This indicates that while ozonation is a powerful method for toxin removal, its effectiveness is influenced by water quality parameters.

Read the study

 

Ozone Dosage and Kinetics:

Research utilizing a rapid scan-stopped flow reactor analyzed the reaction kinetics between ozone and microcystins (MC-LR and MC-RR) under varying pH and temperature conditions. The study demonstrated that ozonation was highly effective, with solutions containing up to 5 mg/L MC-LR being completely oxidized when treated with 2 mg/L ozone. The reaction kinetics followed a second-order model, indicating that initial ozone concentration, pH, and temperature play significant roles in ozonation efficiency.

Read the study

 

Combined Treatment Strategies:

Another study examined the effectiveness of combining ozonation with filtration techniques such as activated carbon and sand filtration. This integrated approach significantly improved cyanobacterial toxin removal. However, the study warned that high concentrations of cyanobacterial cells could lead to cell lysis and toxin release, necessitating careful management to avoid secondary contamination.

Read the study

 

Large-Scale Implementation:

A case study on the Arrowhead Regional Water Supply (ARJWS) system in Minnesota demonstrated the use of ozonation for managing taste and odor issues caused by cyanobacteria. The system effectively reduced geosmin and MIB levels, compounds responsible for unpleasant taste and odor in drinking water. To enhance the oxidation process, ozone was combined with hydrogen peroxide to generate hydroxyl radicals, improving overall water quality.

Read the case study

 

Comparative Analysis of Oxidants:

A review compared ozone’s effectiveness with other oxidants like chlorine, chlorine dioxide, and permanganate for cyanotoxin treatment. The findings indicated that ozone is particularly effective against microcystins, making it a preferred choice for water treatment where toxin concentrations are a concern. However, the study also emphasized that the presence of other organic matter in water could reduce ozone’s effectiveness.

Read the review

Ozonation is a highly effective method for removing cyanobacterial toxins from drinking water. However, its success depends on various factors such as ozone concentration, water quality, and complementary treatment strategies. By integrating ozonation with filtration methods and optimizing treatment conditions, water utilities can enhance water safety and quality.

 


Tackling Cyanobacteria and Waterborne Toxins with Ozone Technology

Authors: Charles Crapo, Brian Himelbloom, Suscan Vitt, Leo Pedersen

Publisher: Pub Science

 

Abstract

Cyanobacteria, commonly known as blue-green algae, are a significant concern for water bodies worldwide, especially in freshwater sources used for drinking water. These microorganisms can produce cyanotoxins, such as microcystins, which are harmful to both aquatic ecosystems and human health. Ozone treatment has emerged as a promising solution to address the challenges posed by cyanobacteria, offering a powerful way to eliminate toxins and improve water quality.

Ozone (O₃), a strong oxidant, is highly effective in breaking down the toxins produced by cyanobacteria, making it an essential tool for cyanobacterial toxin management in water treatment processes. This page explores the effectiveness, application, and case studies of ozone used for eliminating cyanobacteria and their toxins from water sources.


Effectiveness and Mechanisms of Ozone in Cyanotoxin Removal

Authors: Stefan J Hoeger, Daniel R Deitrich, Bettina C Hitzfeld

Publisher: PubMed

 

Abstract

Ozone treatment has been shown to be highly effective at destroying cyanotoxins, including those produced by the Microcystis aeruginosa species. A study found that ozone concentrations of at least 1.5 mg/L were required to effectively degrade the toxins produced by this species. However, water quality parameters, such as organic carbon content, can reduce the efficiency of ozonation, indicating that ozone treatment works best when water quality is managed appropriately.

A study on the removal of cyanobacterial toxins with ozone revealed that ozone concentrations at specific levels can successfully destroy harmful toxins, leading to improved water safety. This study suggests ozone’s potential as a potent method for toxin removal, especially when combined with an understanding of water quality parameters and treatment processes.

Read more on this study here.


Ozone Dosage and Kinetic in Cyanotoxin Degradation

Authors: Fares A Al Momani, Nabeel Jarrah

Publisher: PubMed

 

Abstract

Research into the reaction kinetics between ozone and microcystins (MC-LR and MC-RR) revealed that ozone is highly effective in breaking down these toxins. In one study, an ozone dosage of 2 mg/L successfully oxidized up to 5 mg/L of MC-LR in water, demonstrating its high efficiency at specific concentrations.

The study found that the effectiveness of ozonation depends heavily on several factors, including pH, temperature, and ozone dosage. The reaction kinetics were modeled as second-order, highlighting how ozone concentration and water conditions significantly influence the efficiency of toxin removal.

For further reading, check out the full study here.


Combined Treatment Strategies for Enhanced Effectiveness

Authors: Stefan j Hoeger, Daniel R Dietrich, Bettina C Hitzfeld

Publisher: PubMed

 

Abstract

Ozone treatment is often most effective when combined with other filtration methods such as activated carbon and sand filtration. One study explored this approach, showing that combining ozone with filtration could further enhance the removal of cyanobacterial toxins from water.

However, the study also warned that high concentrations of cyanobacterial cells can lead to cell lysis (breakdown of cells) and toxin release if not carefully managed. This emphasizes the importance of optimized ozone dosages and integrated treatment strategies to prevent the unintended release of toxins during the remediation process.

Learn more about this combined treatment strategy here.


Cyanobacteria Treatment

Authors: Steve Green, Stephanie Smith, Salvador Dominguez

Publisher: Wastewater Digest

 

Abstract

The Arrowhead Regional Water Supply (ARJWS) system in Minnesota is an excellent example of ozone’s effectiveness in managing taste and odor problems caused by cyanobacteria. In this case, ozone was used to treat the geosmin and MIB compounds produced by cyanobacteria, which are responsible for unpleasant tastes and odors in drinking water.

To enhance the oxidation process, ozone was combined with hydrogen peroxide, which generated hydroxyl radicals, further improving the breakdown of these compounds. This case study demonstrates that ozone not only helps eliminate toxins but also improves the overall water quality for drinking purposes.

For more details on this case study, click here.


Ozone Vs. Chlorine

Authors: Eva Rodriguez, Gretchen D. Onstad, Tomas P.J. Kull

Publisher: Science Direct

 

Abstract

A comparative analysis of various oxidants used for treating cyanotoxins highlighted ozone’s superiority in handling microcystins. The review found that while other oxidants like chlorine, chlorine dioxide, and permanganate are useful, ozone was particularly effective at breaking down microcystins, one of the most toxic byproducts of cyanobacteria.

The study emphasized that ozone is particularly suitable for water treatment processes where cyanotoxin concentrations are high, and its application is recommended in these contexts. However, the presence of organic matter in water can impact ozone’s effectiveness, making water quality management crucial in ensuring the best results.

Read the full study here.


Choosing Ozone for Cyanobacteria and Toxin Removal

Authors: Eva Rodriguez, Gretchen D. Onstad, Tomas P.J. Kull

Publisher: Science Direct

 

Abstract

 

Ozone treatment offers a powerful, eco-friendly solution to cyanobacteria and toxin-related water issues. The following benefits make ozone an attractive option for water treatment plants and ecological restoration efforts:

  • Highly effective at removing cyanotoxins and controlling algal blooms.

  • Environmentally friendly, with no toxic byproducts—ozone decomposes into oxygen.

  • Adaptable to various water conditions, including changes in pH, temperature, and organic matter.

  • Can be combined with other treatment methods for enhanced efficiency.

  • Scalable for large-scale water treatment systems and municipal applications.

Whether you’re managing a drinking water supply, a recreational water body, or a natural ecosystem, ozone can help mitigate the harmful effects of cyanobacteria and improve overall water quality.


For more information on how ozone can be used for cyanobacteria control and toxin removal, contact us at Oxidation Technologies today. We provide tailored solutions to meet the unique needs of your water treatment challenges.

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