期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 67, 期 -, 页码 448-460出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.07.019
关键词
Catalytic wet air oxidation; Kinetic model; Recycle reactor; Carbon nanofibers; Copper nanoparticle
资金
- Shell Technology Centre Bangalore, India [PT48090]
Copper nanoparticle-doped and graphitic carbon nanofibers-covered porous carbon beads were used as an efficient catalyst for treating synthetic phenolic water by catalytic wet air oxidation (CWAO) in a packed bed reactor over 10-30 bar and 180-230 degrees C, with air and water flowing co-currently. A mathematical model based on reaction kinetics assuming degradation in both heterogeneous and homogeneous phases was developed to predict reduction in chemical oxygen demand (COD) under a continuous operation with recycle. The catalyst and process also showed complete COD reduction (>99%) without leaching of Cu against a high COD (similar to 120,000 mg/L) containing industrial wastewater. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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