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Phenolic compounds removal by wet air oxidation based processes

Authors
  • Zhou, Linbi
  • Cao, Hongbin
  • Descorme, Claude
  • Xie, Yongbing
Publication Date
Feb 01, 2018
Source
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
Keywords
License
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Abstract

Wet air oxidation (WAO) and catalytic wet air oxidation (CWAO) are efficient processes to degrade organic pollutants in water. In this paper, we especially reviewed the WAO and CWAO processes for phenolic compounds degradation. It provides a comprehensive introduction to the CWAO processes that could be beneficial to the scientists entering this field of research. The influence of different reaction parameters, such as temperature, oxygen pressure, pH, stirring speed are analyzed in detail; Homogenous catalysts and heterogeneous catalysts including carbon materials, transitional metal oxides and noble metals are extensively discussed, among which Cu based catalysts and Ru catalysts were shown to be the most active. Three different kinds of the reactor implemented for the CWAO (autoclave, packed bed and membrane reactors) are illustrated and compared. To enhance the degradation efficiency and reduce the cost of the CWAO process, biological degradation can be combined to develop an integrated technology. (C) Higher Education Press and Springer-Verlag Berlin Heidelberg 2017

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