Catalytic wet oxidation of stripped sour water from an oil-shale refining process

Prasad, J, Tardio, J, Akolekar, D, Bhargava, S and Grocott, S 2004, 'Catalytic wet oxidation of stripped sour water from an oil-shale refining process', Industrial and Engineering Chemistry Research, vol. 43, pp. 6363-6368.

Document type: Journal Article
Collection: Journal Articles

Title Catalytic wet oxidation of stripped sour water from an oil-shale refining process
Author(s) Prasad, J
Tardio, J
Akolekar, D
Bhargava, S
Grocott, S
Year 2004
Journal name Industrial and Engineering Chemistry Research
Volume number 43
Start page 6363
End page 6368
Total pages 5
Publisher American Chemical Society
Abstract The catalytic wet oxidation of an organics-laden wastewater produced during oil-shale refining (stripped sour water) was investigated using a high-pressure reaction system. The effects of different catalysts and catalyst loads were investigated under standard optimal reaction conditions that had been previously determined. Tests were also done on monometallic and bimetallic catalytic systems. It was found that Cu(NO3)(2) exhibited the best catalytic properties at a load of 33.3 mmol/L. The removal of catalyst, odor, and residual organics from treated solutions by adsorption using activated carbon was also studied to assess whether the environmental acceptability of the process could be improved. It was found that 64% of the Cu used could be taken up by adsorption alone, and up to 99.8% Cu removal could be achieved through a combination of precipitation, filtration, and absorptive techniques. Odor was also significantly reduced, and total organic carbon removal could be improved from 65% using CWO alone to 83.7% after adsorption.
Subject Environmental Chemistry (incl. Atmospheric Chemistry)
Keyword(s) stripped sour water
catalytic wet oxidation
oil shale refining
DOI - identifier 10.1021/ie0400705
Copyright notice Copyright © 2004 American Chemical Society
ISSN 0888-5885
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