Reactive high-valent iron intermediates in enhancing treatment of water by ferrate

VK Sharma, M Feng, DD Dionysiou… - Environmental …, 2021 - ACS Publications
Efforts are being made to tune the reactivity of the tetraoxy anion of iron in the+ 6 oxidation
state (FeVIO42–), commonly called ferrate, to further enhance its applications in various …

Degradation of organic contaminants by reactive iron/manganese species: progress and challenges

B Shao, H Dong, G Zhou, J Ma, VK Sharma, X Guan - Water Research, 2022 - Elsevier
Abstract Many iron (II, III, VI)-and manganese (II, IV, VII)-based oxidation processes can
generate reactive iron/manganese species (RFeS/RMnS, ie, Fe (IV)/Fe (V) and Mn (III)/Mn …

Heterogeneous catalytic ozonation of atrazine with Mn-loaded and Fe-loaded biochar

SQ Tian, JY Qi, YP Wang, YL Liu, L Wang, J Ma - Water Research, 2021 - Elsevier
After reaction with permanganate or ferrate, the resulted Mn-loaded and Fe-loaded biochar
(MnOx/biochar and FeOx/biochar) exhibited excellent catalytic ozonation activity. O 3 (2.5 …

Ferrate (VI)/periodate system: synergistic and rapid oxidation of micropollutants via periodate/iodate-modulated Fe (IV)/Fe (V) intermediates

L Niu, J Lin, W Chen, Q Zhang, X Yu… - … Science & Technology, 2023 - ACS Publications
The presence of organic micropollutants in water sources worldwide has created a need for
the development of effective and selective oxidation methods in complex water matrices …

Peracetic acid enhances micropollutant degradation by ferrate (VI) through promotion of electron transfer efficiency

J Wang, J Kim, DC Ashley, VK Sharma… - … Science & Technology, 2022 - ACS Publications
Ferrate (VI) and peracetic acid (PAA) are two oxidants of growing importance in water
treatment. Recently, our group found that simultaneous application of ferrate (VI) and PAA …

Enhanced oxidation of antibiotics by ferrate mediated with natural organic matter: role of phenolic moieties

B Guo, J Wang, K Sathiyan, X Ma… - Environmental …, 2023 - ACS Publications
The increasing presence of antibiotics in water sources threatens public health and
ecosystems. Various treatments have been previously applied to degrade antibiotics, yet …

Insights into the role of in-situ and ex-situ hydrogen peroxide for enhanced ferrate (VI) towards oxidation of organic contaminants

M Luo, H Zhou, P Zhou, L Lai, W Liu, Z Ao, G Yao… - Water Research, 2021 - Elsevier
Recently, several studies have been conscious of the promotion effect of hydrogen peroxide
(H 2 O 2), a self-decay product of ferrate (Fe (VI)), on Fe (VI) to oxidize contaminations, but …

UVA-LED-assisted activation of the ferrate (VI) process for enhanced micropollutant degradation: important role of ferrate (IV) and ferrate (V)

T Yang, J Mai, H Cheng, M Zhu, S Wu… - Environmental …, 2021 - ACS Publications
This paper investigated ultraviolet A light-emitting diode (UVA-LED) irradiation to activate Fe
(VI) for the degradation of micropollutants (eg, sulfamethoxazole (SMX), enrofloxacin, and …

Single atom catalyst-mediated generation of reactive species in water treatment

VK Sharma, X Ma, R Zboril - Chemical Society Reviews, 2023 - pubs.rsc.org
Water is one of the most essential components in the sustainable development goals
(SDGs) of the United Nations. With worsening global water scarcity, especially in some …

Efficient activation of ferrate (VI) by colloid manganese dioxide: Comprehensive elucidation of the surface-promoted mechanism

M Luo, H Zhang, P Zhou, Z Xiong, B Huang, J Peng… - Water Research, 2022 - Elsevier
Current research focuses on introducing additional energy or reducing agents to directly
accelerate the formation of Fe (IV) and Fe (V) from ferrate (Fe (VI)), thereby ameliorating the …