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JSIR Vol.67(08) [August 2008] >


Title: Influence of oxidative and non-oxidative conditions on petroleum pitch properties
Authors: Srivastava, Manoj
Singh, Ranvir
Kumar, Manoj
Agarwal, U C
Garg, M O
Keywords: IR
Non-oxidation
Oxidation
Petroleum pitch
Issue Date: Aug-2008
Publisher: CSIR
Abstract: A series of pitches were prepared by thermal treatment of petroleum feedstock under oxidative and non-oxidative conditions at 350-450°C, to study transformation behavior of feed components. Influence of type of oxidizing gas and oxidizing agent on softening point (SP), coking value (CV), quinoline insolubles (QI) and toluene insolubles (TI) was studied. Rate of increase of SP of pitch has been found more in oxidative conditions than in non-oxidative conditions. Oxidative conditions may also lead to reduction in stabilization period for making carbon fibers and activated carbon spheres. Formation of TI/QI is more under air/oxygen purging as compared to nitrogen purging.
Page(s): 616-621
ISSN: 0022-4456
Source: JSIR Vol.67(08) [August 2008]

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