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Abstract
Ketone-benzol dewaxing, furfural refining, clay finishing and furfural refining, ketone-benzol dewaxing, clay finishing were selected, respectively, to process lube feedstock. The base oils processed by furfural refining, ketone-benzol dewaxing, clay finishing or ketone-benzol dewaxing, furfural refining, clay finishing were determined regarding their different chemical nature and their different physical properties. Group analysis, elemental analysis, infra-red spectrum, and 1H nuclear magnetic resonance were also used to investigate the structure characteristics, the hydrocarbon characteristic, and branch sites of hydrocarbon of the base oils. Experimental data shows that furfural refining, ketone-benzol dewaxing, clay finishing may be available for factories in the manufacturing process of lube feedstock from Xijiang and Neil (1:1) crude oil No. 3 fraction, but better properties of base oil can be obtained using more rigorous process conditions.
Notes
*Basic nitrogen content was measured with the method of titration according to the Professional Standard of China Petrochemical, ZB E30003-86.
*Methyl ethyl ketone to methylbenzene.