Results 11 to 20 of about 2,018 (232)

Catalytic ozonation for the removal of reactive black 5 (RB-5) dye using zeolites modified with CuMn2O4/gC3N4 in a synergic electro flocculation-catalytic ozonation process

Water Science and Technology, 2021
This study aims to investigate the decolourization efficiency of reactive black 5 (RB-5) dye by using CuMn2O4/gC3N4 coated zeolites (zeolite 4A) for the first time in a hybrid electro-flocculation-catalytic ozonation process. A comparison between various
Amir Ikhlaq, Mahrukh Zafar, Farhan Javed, Abdullah Yasar, Asia Akram, Sidra Shabbir, Fei Qi   +6 more
doaj   +1 more source

Advanced treatment of secondary effluent by the integration of heterogeneous catalytic ozonation and biological aerated filter

Water Science and Technology, 2023
The advanced treatment of secondary effluents was investigated by employing heterogeneous catalytic ozonation integrated with a biological aerated filter (BAF) process. The results indicated that catalytic ozonation with the prepared catalyst (MnxCuyOz/γ-
Xinghao Liu, Zhaoguang Yang, Jiayun Peng, Leilei Chen, Ying Yang, Haipu Li, Liqun Yang   +6 more
doaj   +1 more source

Efficient removal of sulfamethazine by a magnetic recoverable CeO2/Fe3O4/natural zeolite catalyst in catalytic ozonation process

Frontiers in Environmental Science, 2023
In order to realize the efficient removal of sulfamethazine (SMZ) and overcome the recycling difficulty of catalysts in a heterogeneous catalytic ozonation process, low-cost natural zeolite loaded with CeO2 and Fe3O4 (FC/HZ) was synthesized by the co ...
Zhuang Guo, Yifan Lv, Jian Wei, Jiali Zhang, Jiali Zhang, Yonghui Song, Yonghui Song   +6 more
doaj   +1 more source

Catalytic ozonation of N-methyldiethanolamine over mixed oxides derived from Mg/Fe-LDH

Water Science and Technology, 2023
The aim of this study was to evaluate the efficiency of catalytic ozonation to increase the degradation of aqueous N-methyldiethanolamine (MDEA) solutions, using two lamellar double hydroxides, namely MgxFe-LDH with x = Mg/Fe = 2, 3, were synthesized by ...
Nabil Boucenna, Fatiha Mokhtari-Belkhadem, Ali Bouteiba, Karima Sahel, Francisco Medina, Mourad Lounis   +5 more
doaj   +1 more source

High performance ozone based advanced oxidation processes catalyzed with novel argon plasma treated iron oxyhydroxide hydrate for phenazopyridine degradation

Scientific Reports, 2021
The present study has focused on the degradation of phenazopyridine (PhP) as an emerging contaminant through catalytic ozonation by novel plasma treated natural limonite (FeOOH·xH2O, NL) under argon atmosphere (PTL/Ar).
Rasool Pelalak, Zahra Heidari, Mojtaba Forouzesh, Eslam Ghareshabani, Reza Alizadeh, Azam Marjani, Saeed Shirazian   +6 more
doaj   +1 more source

Combination of catalytic ozonation and fungal bioremediation for treatment from effluent from the laminate production industry

Revista Ambiente & Água, 2022
This study characterized and evaluated the potential of a combination of treatment strategies for the removal of phenolic compounds, color, and ecotoxicity of an effluent generated by a laminated wood industry.
Claudio Eduardo Scherer, Marcio Barreto-Rodrigues   +1 more
doaj   +1 more source

Minerals as Potential Catalysts in Heterogeneous Catalytic Ozonation: A Kinetic Study of p-CBA Degradation in Aqueous Solutions at pH 7

Materials Proceedings, 2021
This study examines the removal of p-CBA via the application of heterogeneous catalytic ozonation in the presence of 13 minerals. The solids were used as raw materials or after hydrophilic/hydrophobic modification.
Savvina Psaltou, Efthimia Kaprara, Manassis Mitrakas, Anastasios Zouboulis   +3 more
doaj   +1 more source

Catalytic ozonation for removal of antibiotic oxy-tetracycline using zinc oxide nanoparticles

Applied Water Science, 2021
The traditional wastewater treatment plants are mostly not designed to deal with polar micropollutants such as pharmaceuticals. Therefore, antibiotics must be completely removed before their emission to ecosystems. Catalytic ozonation is used to increase
Maha K. Mohsin, Ahmed A. Mohammed
doaj   +1 more source

Catalytic Ozonation of Phenol

Journal of Korean Society of Environmental Engineers, 2011
Abstract : In this study AOPs of O 3 /UV radiation, O 3 /Mg(OH) 2 /UV radiation and O 3 /MgO/UV radiation system for phenol treatment in aqueous solution was performed in a laboratory scale circulating batch reacter. Flow rate of ozone 1.0 L/min, ozone concentrations 150 ± 10 mg/L was maintained constantly at the above-mentioned oxidation processes ...
Cheal-Gyu Lee, Jeong-Hun Woo
openaire   +1 more source

Heterogeneous catalytic ozonation process for removal of 4-chloro-2-nitrophenol from aqueous solutions

Journal of Saudi Chemical Society, 2012
This research investigated the efficiency of nanosized ZnO in the catalytic ozonation of 4-chloro-2-nitrophenol and determined the effect of pH on heterogeneous catalytic ozonation.
Parvin Gharbani, Ali Mehrizad
doaj   +1 more source