Abstract
In an attempt to obtain a greater insight into the structure of Monterey kerogen, partially oxidized kerogen concentrates obtained from Na 2Cr 2O 7 glacial CH 3COOH stepwise oxidation were examined by Fourier transform infrared (FT-i.r.) analysis. The results show that the kerogen samples contain condensed aromatic systems to which are attached OH and Oalkyl functional groups, and also indicate that the majority of N and S atoms are within the ring structure. It was found that the carbonyl, aromatic and ether groups are not affected while CH 2 groups are lost upon oxidation. Furthermore, it was concluded that in kerogen oxidation, organic sulphur can be fixed as inorganic sulphate in the presence of COO − in a manner similar to coal oxidation.
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