Results 11 to 20 of about 1,029,665 (311)

Catalytic ozonation of phenolic acids over a Mn–Ce–O catalyst [PDF]

Applied Catalysis B: Environmental, 2009
Catalytic ozonation of a simulated phenolic wastewater composed by six acids: syringic, vanillic, 3,4,5-trimethoxybenzoic, veratric, protocatechuic and 4-hydroxybenzoic normally present in olive mill wastewaters was studied over a Mn-Ce-O laboratorial ...
Rui C Martins, Rosa M Quinta-Ferreira
exaly   +3 more sources

Heterogeneous Catalysis of Ozone Using Iron–Manganese Silicate for Degradation of Acrylic Acid

Molecules, 2022
Iron–manganese silicate (IMS) was synthesized by chemical coprecipitation and used as a catalyst for ozonating acrylic acid (AA) in semicontinuous flow mode.
Yue Liu, Congmin Wang, Rong Guo, Juexiu Li, Quan Zhao, Weiqiang Wang, Fei Qi, Haifang Liu, Yang Li, Huifan Zheng   +9 more
doaj   +1 more source

Improvement of coal gasification reverse osmosis concentrate treatment by Cu-Co-Mn/AC catalytic ozonation

Water Science and Technology, 2023
Approximately 20% of concentrate will be produced from coal gasification wastewater after reverse osmosis treatment. The organic matter contained in the concentrate affects its evaporation crystallisation; therefore, the refractory organics must be ...
Xiurong Chen, Hao Gu, Xiaoli Sun, Jinyi Tian, Qiuyue Li, Tao Pan, Xinyu Zhang, Xueyang Hu, Shanshan Linghu   +8 more
doaj   +1 more source

Application of Heterogeneous Catalytic Ozonation in Wastewater Treatment: An Overview

Catalysts, 2023
Catalytic ozonation is a non-selective mineralization technology of organic matter in water by using active free radicals generated by ozone degradation.
Xingxing Li, Li Fu, Fei Chen, Shichao Zhao, Jiangwei Zhu, Chengliang Yin   +5 more
semanticscholar   +1 more source

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

State of Art and Perspectives in Catalytic Ozonation for Removal of Organic Pollutants in Water: Influence of Process and Operational Parameters

Catalysts, 2023
The number of organic pollutants detected in water and wastewater is continuously increasing thus causing additional concerns about their impact on public and environmental health.
N. Fallah, E. Bloise, D. Santoro, G. Mele   +3 more
semanticscholar   +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