CHARACTERIZATION OF NITROGEN-CONTAINING COMPOUNDS IN SAUDI ARABIA (LIGHT) ATMOSPHERIC RESIDUE

Abstract

Abstract: The molecular structures of nitrogen-containing compounds in the atmospheric residue from Arabian light crude was determined by electrospray ionization (ESI) Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS). The ESI FT-ICR analysis indicates that the highest relative abundance of basic and neutral compounds is N1 class species. The neutral N1 class species are functional groups centered on pyrrole ring. Among of them, benzocarbazole and dibenzocarbazole is predominant. The basic N1 nitrogen compounds are functional groups of pyridine derivative compounds. Compared with the neutral N1 class species, the distribution of basic nitrogen compounds is more uniform.

Key words: FT-ICR MS, nitrogen-containing compounds, molecular characterization, atmospheric residue

CLC Number:

References

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