ArticleEnvironmental science and pollution research international2015
Degradation and dechlorination of pentachlorophenol by microwave-activated persulfate.
Article in Environmental science and pollution research international, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- From Theory to Practice: Leveraging Chemical Principles To Improve the Performance of Peroxydisulfate-Based In Situ Chemical Oxidation of Organic Contaminants.Environmental science & technology · 2024Review
- Efficient activation of persulfate by calcium sulfate whisker supported nanoscale zero-valent iron for methyl orange removal.RSC advances · 2020Article
- Oxidative removal of recalcitrant organics in shale gas flowback fluid by the microwave-activated persulfate process.Environmental science and pollution research international · 2019Article
- Degradation of the Nonsteroidal Anti-Inflammatory Drug Piroxicam by Iron Activated Persulfate: The Role of Water Matrix and Ultrasound Synergy.International journal of environmental research and public health · 2018Article
- Preparation and application of magnetic nitrogen-doped rGO for persulfate activation.Environmental science and pollution research international · 2018Article
- Degradation of recalcitrant organics in landfill concentrated leachate by a microwave-activated peroxydisulfate process.RSC advances · 2018Article
- Treatment of dinitrodiazophenol industrial wastewater in heat-activated persulfate system.RSC advances · 2018Article
- Thermoactivated persulfate oxidation of pesticide chlorpyrifos in aquatic system: kinetic and mechanistic investigations.Environmental science and pollution research international · 2017Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The degradation performance of pentachlorophenol (PCP) by the microwave-activated persulfate (MW/PS) process was investigated in this study. The results indicated that degradation efficiency of PCP in the MW/PS process followed pseudo-first-order kinetics, and compared with conventional heating, microwave heating has a special effect of increasing the reaction rate and reducing the process time. A higher persulfate concentration and reaction temperature accelerated the PCP degradation rate. Meanwhile, increasing the pH value and ionic strength of the phosphate buffer slowed down the degradation rate. The addition of ethanol and tert-butyl alcohol as hydroxyl radical and sulfate radical scavengers proved that the sulfate radicals were the dominant active species in the MW/PS process. Gas chromatography-mass spectrometry (GC-MS) was employed to identify the intermediate products, and then a plausible degradation pathway involving dechlorination, hydrolysis, and mineralization was proposed. The acute toxicity of PCP, as tested with Photobacterium phosphoreum, Vibrio fischeri, and Vibrio qinghaiensis, was negated quickly during the MW/PS process, which was in agreement with the nearly complete mineralization of PCP. These results showed that the MW/PS process could achieve a high mineralization level in a short time, which provided an efficient way for PCP elimination from wastewater.
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