Properties analysis of DCC residual oil deep catalytic cracking slurry
The properties of DCC catalytic cracking slurry were analyzed by elemental analysis,infrared spectroscopy,mass spectrometry,synchronous fluorescence spectroscopy,proton nuclear magnetic reso-nance,scanning electron microscope and other methods.The results indicate that DCC catalytic cracking slurry contains rich polycyclic aromatic hydrocarbons,the aromatic content reaches 54.24％,and the hy-drogen carbon ratio reaches 0.928 3,molecular weight is mainly 250～600 Da,aromatic fused ring com-pounds with two to four rings.The results also indicate that,the slurry contains high ash and residual car-bon,ash content up to 0.39％,aluminum and silicon elements was 9 901 mg/L and 520 mg/L,respec-tively;the particle size of the solid catalyst powder between 2.0～4.0μm.
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