Singlet oxygen in biochar-based catalysts-activated persulfate process: from generation to detection and selectivity removing emerging contaminants

Z Liu, C Tan, Y Zhao, C Song, J Lai, M Song - Chemical Engineering …, 2024‏ - Elsevier
Emerging contaminants (ECs) have become a pressing environmental concern. The biochar-
based catalysts (BCs)-activated persulfate (PS) process, which employs singlet oxygen (1 O …

Intrinsic properties of biochar for electron transfer

Y Gao, Y Sun, W Song, Y Jia, A Li, S Wang - Chemical Engineering Journal, 2023‏ - Elsevier
The past decades witness a rapid development on biochar as adsorbent, catalyst, or
modifier for wastewater treatment and soil amendment. During these processes, the electron …

Site engineering of covalent organic frameworks for regulating peroxymonosulfate activation to generate singlet oxygen with 100% selectivity

Z Weng, Y Lin, S Guo, X Zhang, Q Guo… - Angewandte …, 2023‏ - Wiley Online Library
Abstract Singlet oxygen (1O2) is an excellent reactive oxygen species (ROSs) for the
selective conversion of organic matter, especially in advanced oxidation processes (AOPs) …

Overlooked role of void-nanoconfined effect in emerging pollutant degradation: Modulating the electronic structure of active sites to accelerate catalytic oxidation

M Tang, J Wan, Y Wang, G Ye, Z Yan, Y Ma, J Sun - Water Research, 2024‏ - Elsevier
The efficient removal of emerging pollutant from water is the ultimate frontiers of advanced
oxidation processes (AOPs), yet it is challenging to obtain higher catalytic activity and …

Nanoconfinement steers nonradical pathway transition in single atom fenton-like catalysis for improving oxidant utilization

Y Meng, YQ Liu, C Wang, Y Si, YJ Wang… - Nature …, 2024‏ - nature.com
The introduction of single-atom catalysts (SACs) into Fenton-like oxidation promises ultrafast
water pollutant elimination, but the limited access to pollutants and oxidant by surface …

[HTML][HTML] Single-atom co sites confined in layered double hydroxide for selective generation of surface-bound radicals via peroxymonosulfate activation

C Chen, M Yan, Y Li, Y Hu, J Chen, S Wang… - Applied Catalysis B …, 2024‏ - Elsevier
Selective production of specific radical species with prolonged lifetime is challenging in
advanced oxidation process. Herein, we constructed single-atom Co (SA-Co) catalytic sites …

Regulating the peroxymonosulfate activation on N doped δ-MnO2 nanosheets for tetracycline degradation: N species as the degradation pathways switcher to convert …

Y Wang, S Bao, X Liu, L Qiu, J Sheng, W Yang… - Chemical Engineering …, 2023‏ - Elsevier
Although the free radical pathway can obtain high organic degradation efficiency during
advanced oxidation processes, it is difficult to cater the diverse degradation environment …

Electro-enhanced activation of peroxymonosulfate by a novel perovskite-Ti4O7 composite anode with ultra-high efficiency and low energy consumption: The …

J **g, X Wang, M Zhou - Water Research, 2023‏ - Elsevier
Traditional free radicals-dominated electrochemical advanced oxidation processes (EAOPs)
and sulfate radical-based advanced oxidation processes (SR-AOPs) are limited by pH …

Discerning the relevance of singlet oxygen in pollutant degradation in peroxymonosulfate activation processes

H Li, X Zhang, S Yang, Y Sun… - Environmental Science & …, 2024‏ - ACS Publications
Significant efforts have recently been exerted toward construction of singlet oxygen (1O2)-
dominated catalytic oxidation systems for selective removal of organic contaminants from …

Effective degradation of phenol by activating PMS with bimetallic Mo and Ni Co-doped g C3N4 composite catalyst: A Fenton-like degradation process promoted by …

M Tian, X Ren, S Ding, N Fu, Y Wei, Z Yang… - Environmental Research, 2024‏ - Elsevier
The application of bimetal supported graphite phase carbon nitride in activated
peroxymonosulfate (PMS) process has become a research hotspot in recent years. In this …