IDENTIFICATION OF DIESEL TYPE BY PRINCIPAL COMPONENT ANALYSIS BASED ON DIAMONDOID FINGERPRINT PARAMETERS

Abstract

Abstract: Qualitative and quantitative analysis method of diamondoid hydrocarbon fingerprints were established based on gas chromatography/mass spectrometry (GC/MS). The contents of diamondoid hydrocarbon fingerprints in catalytic cracking diesels, hydrocracking diesels, and straight-run diesels were measured. The analysis results show that the concentration and distribution of diamondoid hydrocarbon fingerprints are different in the three types of diesels, but similar in the same type of diesels. Based on the distribution characteristics of diamondoid fingerprint compounds in different types of diesels, the fingerprint parameters were summarized, and 3 types of diesel were identified by principal component analysis (PCA). The results show that the positions are close together for diesels from the same process, and different types of diesels are discrete in the sample distribution map by PCA. Fast identification of diesel types can be realized by this method.

Key words: hydrocarbon fingerprint, biomarker, diamondoid, GC/MS

CLC Number:

References

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