Selective oxidation of ammonium to nitrogen gas by advanced oxidation processes: Reactive species and oxidation mechanisms

X Liu, J Wang - Journal of Environmental Chemical Engineering, 2023 - Elsevier
Ammonia nitrogen pollution is still a global concern, leading to eutrophication of aquatic
ecosystems. Various technologies have been studied and applied for ammonium removal …

Catalytic ozonation of ammonia nitrogen removal in wastewater: A review

H Ma, G Chen, F Huang, Y Li, L Zhang, Y Jin - Journal of Water Process …, 2023 - Elsevier
Abstract Ammonia nitrogen (NH 4+-N) is the most common pollutant in wastewater, which
consumes dissolved oxygen in water and causes eutrophication in water bodies, and is an …

Construction of the multi-layer TiO2-NTs/Sb-SnO2/PbO2 electrode for the highly efficient and selective oxidation of ammonia in aqueous solution: Characterization …

Z Zhang, J Liu, H Ai, A Chen, L Xu, L Labiadh… - Journal of …, 2023 - Elsevier
Electrochemical oxidation is a promising technology to convert ammonia nitrogen to
environmental-friendly gaseous nitrogen, but the high cost of the precious metal as an …

Oxygen vacancies enhancing performance of Mg-Co-Ce oxide composite for the selective catalytic ozonation of ammonia in water

Z Zhang, H Ai, ML Fu, Y Hu, J Liu, Y Ji… - Journal of Hazardous …, 2022 - Elsevier
Catalytic ozonation based on heterogeneous metal oxides is a promising approach to
removing ammonia as gaseous nitrogen from water. Herein, MgO/Co 3 O 4/CeO 2 was …

A new insight into catalytic ozonation of ammonia by MgO/Co3O4 composite: The effects, reaction kinetics and mechanism

Z Zhang, H Ai, ML Fu, Y Hu, J Liu, Y Ji… - Chemical Engineering …, 2021 - Elsevier
It is highly concerned to explore heterogeneous catalysts of metal oxides to remove NH 4+-
N in the wastewater, in which NH 4+-N can be greatly oxidized as gaseous nitrogen in the …

Highly efficient catalytic ozonation for ammonium in water upon γ-Al2O3@ Fe/Mg with acidic-basic sites and oxygen vacancies

D Liang, Y Hu, C Xiao, G Wang, J Xie, X Zhu - Science of The Total …, 2022 - Elsevier
Catalytic ozonation has prospects in the advanced treatment of nitrogen removal, and solid
base MgO can efficiently catalyze the ozonation of ammonium nitrogen. However, it is …

Enhancing microalgae growth and landfill leachate treatment through ozonization

X Quan, R Hu, H Chang, X Tang, X Huang… - Journal of cleaner …, 2020 - Elsevier
Phycoremediation of landfill leachate (LL) with microalgae is a promising approach but the
performances are usually inhibited by complex macromolecular organics and high …

Treatment of organic wastewater containing nitrogen and chlorine by combinatorial electrochemical system: Taking biologically treated landfill leachate treatment as …

Y Deng, N Chen, C Feng, F Chen, H Wang… - Chemical Engineering …, 2019 - Elsevier
This study presents a combinatorial electrochemical system (CES) for the treatment of
refractory organic wastewater containing nitrogen and chloride ion. The CES was composed …

Ozonation of ammonia at low temperature in the absence and presence of MgO

H Liu, L Chen, L Ji - Journal of hazardous materials, 2019 - Elsevier
Ozone oxidation and ozonation catalyzed with MgO were applied to remove ammonia in
water at low temperature (10℃). Results show that pH played a critical role in both …

Ammonia removal from industrial effluent using zirconium oxide and graphene-oxide nanocomposites

SV Mousavi, PJ Ahranjani, SF Saei, N Mehrdadi… - Chemosphere, 2022 - Elsevier
The present study developed and evaluated nano-adsorbents based on zirconium oxide
and graphene oxide (ZrO 2/GO) as a novel adsorbent for the efficient removal of ammonia …