Journal ArticleDOI
Oxidation and biodegradability enhancement of 1,4-dioxane using hydrogen peroxide and ozone.
TLDR
The results of this study suggest that anaerobic pretreatment prior to advanced oxidation may be a viable means of reducing the ozone and hydrogen peroxide dosages required for biodegradability enhancement.Abstract:
Ozone in combination with hydrogen peroxide has been shown to effectly oxidize 1,4-dioxane in synthetic solutions representing groundwater or industrial wastewater to more readily biodegradable oxidation products that could be treated using conventional biological treatment. Bicarbonate alkalinity and competition by 1,3-dioxolane and 2-methyl-1,4-dioxolane were found to increase the oxidant dosages required for 1,4-dioxane oxidation. The results of this study suggest that anaerobic pretreatment prior to advanced oxidation may be a viable means of reducing the ozone and hydrogen peroxide dosages required for biodegradability enhancementread more
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Combination of Advanced Oxidation Processes and biological treatments for wastewater decontamination—A review
TL;DR: The main conclusions arrived at from the overall assessment of the literature are that more work needs to be done on degradation kinetics and reactor modeling of the combined process, and also dynamics of the initial attack on primary contaminants and intermediate species generation.
Journal ArticleDOI
Degradation of chlorophenols by means of advanced oxidation processes: a general review
TL;DR: In this paper, the degradation of chlorophenols (CPs) by means of advanced oxidation processes (AOPs) was evaluated during the period 1995-2002 and different mechanistic degradation pathways were taken into account.
Journal ArticleDOI
Advanced Oxidation Processes for Wastewater Treatment: Formation of Hydroxyl Radical and Application
Jianlong Wang,Le Jin Xu +1 more
TL;DR: In this paper, the authors summarize the formation reactions of the hydroxyl radical (·OH) and the mechanisms of pollutants degradation in six types of advanced oxidation processes, including radiation, photolysis and photocatalysis, sonolysis, electrochemical oxidation technologies, Fenton based reactions, and ozone-based processes.
Journal ArticleDOI
Comparison of different advanced oxidation processes for phenol degradation.
TL;DR: Of the tested processes, Fenton reagent was found to the fastest one for phenol degradation, and lower costs were obtained with ozonation in the ozone combinations, and UV/H2O2 showed the highest degradation rate.
Journal ArticleDOI
The Merck Index
TL;DR: The Merck Index of Chemicals and Drugs is an encyclopedia for the Chemist, Pharmacist, Physician and Allied Professions and thumb-indexed, 8 dollars.
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Journal ArticleDOI
The Merck Index
TL;DR: The Merck Index of Chemicals and Drugs is an encyclopedia for the Chemist, Pharmacist, Physician and Allied Professions and thumb-indexed, 8 dollars.