Preliminary Analysis of Oil Shale Obtained from Kalynkara in Kazakhstan

Oil shale obtained from Kalynkara in Kazakhstan was investigated by powder XRD, XRF, SEM, TG-DTA, and EA. The XRD profiles indicated that the oil shale contained quartz (major component), CaSO4·2H2O, and Mg4Al2(OH)12CO2·H2O as minerals. The amount of organic matter in the oil shale was determined by...

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Published inJournal of the Japan Petroleum Institute Vol. 57; no. 4; pp. 192 - 195
Main Authors Kairbekov, Zhaksyntai K., Masuda, Naoto, Ohshima, Masa-aki, Myltykbaeva, Zhannur K., Kairbayeva, Nazarke, Yemilyanova, Valentina S., Kurokawa, Hideki, Miura, Hiroshi
Format Journal Article
LanguageEnglish
Published Tokyo The Japan Petroleum Institute 01.07.2014
Japan Science and Technology Agency
Subjects
Coal
Crude oil
Decalin
Elemental analysis
Hydrogen/Carbon ratio
Kazakhstan
Minerals
Oil shale
Quartz
Thermal analysis
Weight loss
Kazakhstan
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Summary:Oil shale obtained from Kalynkara in Kazakhstan was investigated by powder XRD, XRF, SEM, TG-DTA, and EA. The XRD profiles indicated that the oil shale contained quartz (major component), CaSO4·2H2O, and Mg4Al2(OH)12CO2·H2O as minerals. The amount of organic matter in the oil shale was determined by TG-DTA and was approximately 19 wt% based on the weight loss in the temperature range of 473-823 K. Moreover, the H/C ratio determined by EA and TG-DTA was 0.86, indicating that the structure of the organic matter was similar to that of coal. We attempted to extract the organic matter from the oil shale in decalin at 373-623 K, but no significant amount of products was obtained.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1346-8804
1882-0743
1349-273X
DOI:10.1627/jpi.57.192