Impact on Disinfection Byproducts Using Advanced Oxidation Processes for Drinking Water Treatment

Mayer, Brooke K.; Ryan, Donald R.

doi:10.1007/698_2017_82

Cited by 6 publications

(3 citation statements)

References 115 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Minimizing Exposure to Contaminants: Prevent the solution from meeting metals or organic materials that could accelerate degradation or reduce disinfecting power. (Mayer & Ryan, 2017) 4. Monitor concentration: The concentration of HOCL is regularly checked and adjusted to ensure that it maintains the appropriate available chlorine levels and disinfecting properties, avoiding concentrations that are too low to be effective or so high that they can damage surfaces or equipment.…”

Section: Recommendations To End-users On Maintaining the Stability Of...mentioning

confidence: 99%

Issues Surrounding the Stability of Hypochlorous Acid as a Disinfectant

Alshahrani,

Elgujja,

Elgujja

et al. 2024

Preprint

View full text Add to dashboard Cite

Background: Hypochlorous acid (HA) is a potent disinfectant with broad-spectrum antimicrobial activity against bacteria, fungi, and viruses. Aim: This study aimed to investigate the factors that influence the stability of hypochlorous acid (HOCl) and their impact on its disinfectant properties Methods: This study explored the stability of hypochlorous acid, emphasizing factors that affect its disinfectant efficiency, such as pH level, temperature, and the presence of organic materials. Findings: Our investigation revealed that HOCl is the most stable and effective disinfectant under weakly acidic conditions, where the undissociated form of hypochlorous acid is predominant. Although it is stable under various conditions, its efficacy is compromised by the presence of heavy metals, organic matter, and UV radiation. Conclusions: This comprehensive analysis concludes that, while hypochlorous acid is a highly effective disinfectant, understanding and maintaining the optimal conditions for its stability is crucial for maximizing its disinfection potential. Implications: The findings can be used to formulate new guidelines and regulations to guide the proper formulation, storage, and use of stable HOCL as disinfectants.

show abstract

Section: Recommendations To End-users On Maintaining the Stability Of...mentioning

confidence: 99%

Issues Surrounding the Stability of Hypochlorous Acid as a Disinfectant

Alshahrani,

Elgujja,

Elgujja

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…Combining BAC with oxidation processes enhances the removal of organic contaminants by adsorbing intermediate oxidation by-products, reducing the formation of disinfection by-products (DBPs), and providing quenching sites for ROS [148].…”

Section: Bac With Oxidation Processesmentioning

confidence: 99%

Synthesis of Biowaste Activated Carbon for Water Purification: A Comprehensive Review

kumari,

Parveen

et al. 2024

Preprint

View full text Add to dashboard Cite

The escalating global demand for clean water has propelled research into sustainable and cost-effective purification methods. Activated carbon (AC) derived from biowaste materials presents an environmentally friendly and economically viable solution for water treatment. This review article provides an extensive overview of the synthesis techniques, characterization methods, and applications of biowaste activated carbon (BAC) for water purification. It discusses the diverse sources of biowaste, such as agricultural residues, food waste, and biomass, and explores various activation methods including physical, chemical, and biological processes. Furthermore, the article examines the adsorption mechanisms, performance factors, regeneration strategies, and emerging trends in BAC synthesis and application. Insights from this review can guide future research endeavors and facilitate the development of sustainable water purification technologies.

show abstract

“…Electrochemical advanced oxidation processes (EAOPs) have been researched as possible new modular technologies for drinking water treatment, industrial wastewater treatment, − and groundwater remediation. , EAOPs rely on stable anode materials that primarily degrade contaminants through direct oxidation reactions at the anode surface and indirect oxidation through reactions with hydroxyl radicals (OH • ) that form from the oxidation of water. , Boron-doped diamond (BDD) electrodes are currently considered to be the state-of-the-art anode for EAOPs because they generate high yields of OH • and are anodically stable, corrosion resistant, and commercially available. , However, the application of BDD electrodes for treatment of chloride-containing waters results in the formation of inorganic and organic chlorinated byproducts, ,,− which have documented health risks such as bladder cancer and birth defects. , …”

Section: Introductionmentioning

confidence: 99%

Chlorinated Byproduct Formation during the Electrochemical Advanced Oxidation Process at Magnéli Phase Ti₄O₇ Electrodes

Lin

Bulman

Remucal

et al. 2020

Environ. Sci. Technol.

View full text Add to dashboard Cite

This research investigated chlorinated byproduct formation at Ti4O7 anodes. Resorcinol was used as a model organic compound representative of reactive phenolic groups in natural organic matter and industrial phenolic contaminants and was oxidized in the presence of NaCl (05 mM). Resorcinol mineralization was >68% in the presence and absence of NaCl at 3.1 V/SHE (residence time = 13 s). Results indicated that ∼4.3% of the initial chloride was converted to inorganic byproducts (free Cl2, ClO2 –, ClO3 –) in the absence of resorcinol, and this value decreased to <0.8% in the presence of resorcinol. Perchlorate formation rates from chlorate oxidation were 115371 mol m–2 h–1, approximately two orders of magnitude lower than reported values for boron-doped diamond anodes. Liquid chromatography–mass spectroscopy detected two chlorinated organic products. Multichlorinated alcohol compounds (C3H2Cl4O and C3H4Cl4O) at 2.5 V/SHE and a monochlorinated phenolic compound (C8H7O4Cl) at 3.1 V/SHE were proposed as possible structures. Density functional theory calculations estimated that the proposed alcohol products were resistant to direct oxidation at 2.5 V/SHE, and the C8H7O4Cl compound was likely a transient intermediate. Chlorinated byproducts should be carefully monitored during electrochemical advanced oxidation processes, and multibarrier treatment approaches are likely necessary to prevent halogenated byproducts in the treated water.

show abstract

Impact on Disinfection Byproducts Using Advanced Oxidation Processes for Drinking Water Treatment

Cited by 6 publications

References 115 publications

Issues Surrounding the Stability of Hypochlorous Acid as a Disinfectant

Issues Surrounding the Stability of Hypochlorous Acid as a Disinfectant

Synthesis of Biowaste Activated Carbon for Water Purification: A Comprehensive Review

Chlorinated Byproduct Formation during the Electrochemical Advanced Oxidation Process at Magnéli Phase Ti₄O₇ Electrodes

Contact Info

Product

Resources

About

Impact on Disinfection Byproducts Using Advanced Oxidation Processes for Drinking Water Treatment

Cited by 6 publications

References 115 publications

Issues Surrounding the Stability of Hypochlorous Acid as a Disinfectant

Issues Surrounding the Stability of Hypochlorous Acid as a Disinfectant

Synthesis of Biowaste Activated Carbon for Water Purification: A Comprehensive Review

Chlorinated Byproduct Formation during the Electrochemical Advanced Oxidation Process at Magnéli Phase Ti4O7 Electrodes

Contact Info

Product

Resources

About

Chlorinated Byproduct Formation during the Electrochemical Advanced Oxidation Process at Magnéli Phase Ti₄O₇ Electrodes