Topic
Wet oxidation
About: Wet oxidation is a research topic. Over the lifetime, 3094 publications have been published within this topic receiving 61536 citations.
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TL;DR: In this paper, it was shown that the reduction of the carbonaceous deposit over Pt−MnO2/CeO2 was confirmed via elemental analysis and temperature-programmed oxidation (TPO).
Abstract: Manganese/cerium composite oxide (MnO2/CeO2) proved to be a potent solid catalyst for the catalytic wet oxidation (CWO) of aqueous phenol under mild treatment conditions (80−130 °C, 0.5 MPa O2 pressure). Despite the fact this catalyst exhibited an important activity in eliminating completely phenol and total organic carbon (TOC), its poor selectivity to CO2 was demonstrated as a result of deposition on the catalyst surface of carbonaceous deposits with high carbon content. Promotion of MnO2/CeO2 with platinum improved the CO2 yield of phenol oxidation. Evidence for the reduction of the carbonaceous deposit over Pt−MnO2/CeO2 was confirmed via elemental analysis and temperature-programmed oxidation (TPO). Surface analysis by X-ray photoelectron spectroscopy (XPS) indicated that the deposits built up more on cerium than on manganese and that platinum increased the aromaticity of the deposit.
55 citations
TL;DR: In this paper, three active carbons and one commercially available supported copper catalyst were tested as catalytic material for wet oxidation of phenol aqueous solutions in a fixed bed reactor operating in a trickle flow regime.
55 citations
TL;DR: A triangular "three-lump" kinetic model, which considered direct oxidation to CO2 and partial oxidation through intermediate compounds, was here proposed and it has been demonstrated that the simultaneous presence of humic acid and the intermediates generated during the oxidation process improved the degradation of this acid.
55 citations
TL;DR: In this paper, the advances in the research on wastewater treatment by catalytic wet air oxidation (CWAO) process are summarized in aspects of reaction mechanism investigation, reaction kinetics study and catalyst development.
55 citations
TL;DR: The resulting Si/Al2O3 foam anodes exhibit outstanding cycling stability, excellent rate capability, and excellent cycling stability after 300 cycles at the C/5 rate.
55 citations