Catalytic Ozonation Treatment of Coal Chemical Reverse Osmosis Concentrate: Water Quality Analysis, Parameter Optimization, and Catalyst Deactivation Investigation DOI Creative Commons

Yihe Qin,

Run Yuan,

Shaozhou Wang

et al.

Toxics, Journal Year: 2024, Volume and Issue: 12(9), P. 681 - 681

Published: Sept. 20, 2024

Catalytic ozone oxidation, which is characterized by strong oxidizing properties and environmental friendliness, has been widely used in organic wastewater treatments. However, problems such as a low pollutant removal efficiency unstable operation during the catalytic treatment process for remain. To address these disadvantages, this study, efficacy of oxidation on coal chemical reverse osmosis concentrate was investigated. The basic water quality indicators were analyzed. effects initial concentration, pH, catalyst concentration COD rate from explored. Water before after studied using spectroscopic analysis methods. RO demonstrated large fluctuations, ozonation removed most pollutants treated wastewater. A possible deactivation mechanism also proposed. This study provides theoretical reference technical support long-term, efficient, stable practical engineering applications.

Language: Английский

Combined coagulation-adsorption-VUV (persulfate)-electrochemical oxidation processes for efficient treatment of aged landfill leachate DOI
Xiaoyan Shi,

Anbang Sun,

Guangji Zhang

et al.

Journal of Water Process Engineering, Journal Year: 2025, Volume and Issue: 71, P. 107281 - 107281

Published: Feb. 20, 2025

Language: Английский

Citations

1
Catalytic Ozonation Process for Treating Coking Biochemical Wastewater Based on an Fe-Mn/Al2O3 Catalyst DOI

Yihe Qin,

Run Yuan,

Shaojun Luo

et al.

Colloids and Surfaces A Physicochemical and Engineering Aspects, Journal Year: 2025, Volume and Issue: unknown, P. 136478 - 136478

Published: Feb. 1, 2025

Language: Английский

Citations

1
Synergistic Degradation of Organic Contaminants in Landfill Leachates Using Catalytic Ozonation with Magnetite DOI Creative Commons
Dorancé Becerra, Fiderman Machuca‐Martínez, Luisa Fernanda Ramírez Ríos

et al.

Sci, Journal Year: 2025, Volume and Issue: 7(1), P. 31 - 31

Published: March 6, 2025

This study evaluated the efficiency of catalytic ozonation with magnetite (Fe3O4) in degrading recalcitrant organic compounds leachates from two sanitary landfills Colombia. The optimum treatment conditions were also analyzed by means a response surface design, resulting 6 g O3/h, 2.5 g/L Fe3O4, and pH 9, which resulted COD removal rates 85.3% El Guayabal 75.8% La Madera. Moreover, BOD5/COD ratio increased 0.26 to 0.38 0.23 0.32, respectively, suggesting effluent biodegradability. most efficient ozone consumption (2.7 O3 per gram removed) was obtained under alkaline high catalyst concentration. Magnetite demonstrated structural stability, although its progressively decreased after three cycles use, decreasing 73.6%. These findings validate as an alternative for advanced leachate treatment, potential optimize contaminant industrial effluents strengthen environmental remediation strategies.

Language: Английский

Citations

0
Field Application of Mussels-bacteria Stereo Integrated System for Improving Water Quality of Polluted River DOI
Qiang Wang,

Han Wang,

Xu‐Lin Chen

et al.

Water Air & Soil Pollution, Journal Year: 2025, Volume and Issue: 236(6)

Published: April 22, 2025

Language: Английский

Citations

0
Investigation of advanced treatment for semiaerobic aged refuse biofilter effluent in landfill leachate via a UV-enhanced Fe0/H2O2 system DOI

Zhuowen Yang,

Ke Feng

Process Safety and Environmental Protection, Journal Year: 2025, Volume and Issue: unknown, P. 107243 - 107243

Published: May 1, 2025

Language: Английский

Citations

0
Comparative Study on the Catalytic Ozonation of Biotreated Landfill Leachate Using γ-Al2O3-Based Catalysts Loaded with Different Metals DOI Open Access
Jiancheng Li,

Liya Fu,

Yin Yu

et al.

Sustainability, Journal Year: 2025, Volume and Issue: 17(10), P. 4376 - 4376

Published: May 12, 2025

Global municipal solid waste (~2B tons/year) affects sustainability, as landfill and incineration face persistent leachate contamination, demanding effective management to advance water recycling circular economies. Accelerated investigation of hybrid biocatalytic ozonation systems is imperative enhance contaminant removal efficiency for stringent discharge compliance. This study investigates the catalytic effects γ-Al2O3-based catalysts loaded with different metals (Cu, Mn, Zn, Y, Ce, Fe, Mg) on biochemical effluent leachate. The were synthesized via a mixed method subsequently characterized using scanning electron microscopy (SEM) X-ray diffraction (XRD). Pseudo-second-order kinetics revealed active metal loading’s impact adsorption capacity, Cu/γ-Al2O3 Mg/γ-Al2O3 achieving highest Qe (0.85). To elucidate differential degradation performance among catalysts, ozone/oxygen gas mixture was introduced at controlled flow rate. Experimental results demonstrate that catalyst, exhibiting optimal comprehensive performance, achieved COD TOC efficiencies 84.5% 70.9%, respectively. UV–vis absorbance ratios following disparities: aromatic compound efficiency; Ce/γ-Al2O3 excelled in macromolecular organics degradation. EEM-PARAFAC analysis fluorophore removal: exhibited broad efficacy across all five components, while demonstrated C2 C4, but showed limited toward C5. These findings provide important insights into selecting practical engineering applications treatment. aims catalyst formulation-dependent disparities, guiding quality-specific selection ultimately efficiency.

Language: Английский

Citations

0
Research and perspective of heterogeneous catalytic oxidation by ozone in the removal of pollutants from industrial wastewater: A review DOI

Song Han,

Wang Wen,

Zixuan Xu

et al.

Journal of Industrial and Engineering Chemistry, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 1, 2024

Language: Английский

Citations

2
Catalytic Ozonation Treatment of Coal Chemical Reverse Osmosis Concentrate: Water Quality Analysis, Parameter Optimization, and Catalyst Deactivation Investigation DOI Creative Commons

Yihe Qin,

Run Yuan,

Shaozhou Wang

et al.

Toxics, Journal Year: 2024, Volume and Issue: 12(9), P. 681 - 681

Published: Sept. 20, 2024

Catalytic ozone oxidation, which is characterized by strong oxidizing properties and environmental friendliness, has been widely used in organic wastewater treatments. However, problems such as a low pollutant removal efficiency unstable operation during the catalytic treatment process for remain. To address these disadvantages, this study, efficacy of oxidation on coal chemical reverse osmosis concentrate was investigated. The basic water quality indicators were analyzed. effects initial concentration, pH, catalyst concentration COD rate from explored. Water before after studied using spectroscopic analysis methods. RO demonstrated large fluctuations, ozonation removed most pollutants treated wastewater. A possible deactivation mechanism also proposed. This study provides theoretical reference technical support long-term, efficient, stable practical engineering applications.

Language: Английский

Citations

1