[HTML][HTML] Advanced oxidation processes (AOPs) based wastewater treatment-unexpected nitration side reactions-a serious environmental issue: A review

MP Rayaroth, CT Aravindakumar, NS Shah… - Chemical Engineering …, 2022 - Elsevier
Chemical compounds containing nitro group (nitro-products) are a one of toxic by-products,
that can be formed during wastewater treatment processes. In case of presence of nitrite or …

Persulfate-based advanced oxidation: critical assessment of opportunities and roadblocks

J Lee, U Von Gunten, JH Kim - Environmental science & …, 2020 - ACS Publications
Reports that promote persulfate-based advanced oxidation process (AOP) as a viable
alternative to hydrogen peroxide-based processes have been rapidly accumulating in recent …

Biochar-supported nanosized zero-valent iron (nZVI/BC) composites for removal of nitro and chlorinated contaminants

S Ahmad, X Liu, J Tang, S Zhang - Chemical Engineering Journal, 2022 - Elsevier
Organic, particularly nitro and chlorinated, contaminants are of great concern in ecosystem
for their contribution to environmental problems worldwide. Nitro contaminants are mostly …

Oxidative degradation of nitrobenzene by a Fenton-like reaction with Fe-Cu bimetallic catalysts

Y Sun, Z Yang, P Tian, Y Sheng, J Xu… - Applied Catalysis B …, 2019 - Elsevier
De-nitrogen of organic contaminants in industrial wastewater is a great challenge for
environmental remediation. In this work, alumina-supported bimetallic Fe-Cu catalysts were …

Mini review on the roles of nitrate/nitrite in advanced oxidation processes: Radicals transformation and products formation

Y Wu, L Bu, X Duan, S Zhu, M Kong, N Zhu… - Journal of Cleaner …, 2020 - Elsevier
Advanced oxidation processes (AOPs) are ideal alternative to remove contaminants of
emerging concern (CECs). Nitrate and nitrite commonly co-exist with CECs in surface water …

The role of nitrite in sulfate radical-based degradation of phenolic compounds: An unexpected nitration process relevant to groundwater remediation by in-situ …

Y Ji, L Wang, M Jiang, J Lu, C Ferronato, JM Chovelon - Water research, 2017 - Elsevier
As promising in-situ chemical oxidation (ISCO) technologies, sulfate radical-based
advanced oxidation processes (SR-AOPs) are applied in wastewater treatment and …

Nitrobenzene degradation in Fenton-like systems using Cu (II) as catalyst. Comparison between Cu (II)-and Fe (III)-based systems

DA Nichela, AM Berkovic, MR Costante… - Chemical engineering …, 2013 - Elsevier
Nitrobenzene (NBE) degradation in Fenton-like systems using copper (II) as catalyst was
investigated and compared with the trends observed in iron (III)-based systems. UV–vis …

Rethinking sulfate radical-based oxidation of nitrophenols: Formation of toxic polynitrophenols, nitrated biphenyls and diphenyl ethers

Y Ji, Y Shi, Y Yang, P Yang, L Wang, J Lu, J Li… - Journal of hazardous …, 2019 - Elsevier
Sulfate radical (SO 4 radical dot−)-based oxidation of nitrophenols (NPs) have been widely
studied; however, formation of potentially more toxic polynitroaromatic intermediates has …

Transformations of chloro and nitro groups during the peroxymonosulfate-based oxidation of 4-chloro-2-nitrophenol

J Zhou, J Xiao, D Xiao, Y Guo, C Fang, X Lou, Z Wang… - Chemosphere, 2015 - Elsevier
Dechlorination and denitration are known to occur during the oxidative degradation of
chloronitroaromatic compounds, but the possibility of re-chlorination and re-nitration of …

Dominant dissolved oxygen-independent pathway to form hydroxyl radicals and the generation of reactive chlorine and nitrogen species in breakpoint chlorination

S Lu, C Shang, B Sun, Y Xiang - Environmental Science & …, 2022 - ACS Publications
Due to the complexities of the interactions between ammonia, chlor (am) ine, and
intermediate species such as ONOOH, the radical formation in breakpoint chlorination and …