The removal of sulfur and changes of sulfur forms in Oman vacuum residue by hydrotreating were investigated on a pilot *** results illustrated that the content of total sulfur in hydrotreated residue reduced gradually...
详细信息
The removal of sulfur and changes of sulfur forms in Oman vacuum residue by hydrotreating were investigated on a pilot *** results illustrated that the content of total sulfur in hydrotreated residue reduced gradually with the *** 80% of total sulfur in the residue can be removed at three temperatures(T-5 ℃,T ℃,T+5 ℃),although a higher temperature can enhance the desulfurization *** residue fractions of aromatic,resin,asphaltene and saturate contain about 60%,32%,8% and 1% of total sulfur,respectively;however,the sulfur content in each fraction is in the order of asphaltene>resin>aromatic>*** sulfidic sulfur content in the residue fraction decreased and the thiophenic sulfur content increased with the heaviness of residue *** forms exhibit influence on the hydrodesulfurization effect;the removal of sulfidic sulfur is much easier than that of thiophenic *** residue fractions are also different in the desulphurization effect,depending on their molecular size and structure;the sulfur removal ratio of saturate and aromatic is higher than that of resin and asphaltene.
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