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Title: Catalytic wet air oxidation of toxic nitrogen containing compounds (pyridine) from wastewater
Authors: Chaudhary, Raja Raman
Kumar, Pradeep
Chand, Shri
Keywords: Catalytic wet air oxidation
Issue Date: Sep-2006
Publisher: CSIR
IPC CodeC02F1/00
Abstract: Cu-Co/C (heterogeneous) and CuSO4 (homogeneous) were used as catalysts for wet air oxidation to remove nitrogen containing toxic organic compounds from wastewater. For this purpose, a model compound, pyridine, was treated in a high-pressure batch autoclave at mild conditions of temperature and pressure. Copper and cobalt are relatively inexpensive catalytic material and have shown higher conversion efficiencies. Both CuSO4 and Cu-Co/C have optimum activity at an initial pH 4 of the pyridine solution. After 2 h of reaction time, % conversion with CuSO4 (75.1 %) was more in comparison to Cu-Co/C (71.8 %) using 5 mg/l catalyst concentration at 160 oC and 9 bar total pressure.
Page(s): 757-759
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Source:JSIR Vol.65(09) [September 2006]

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