Molybdenum News Center

Wu Zhihua developed an oil-soluble organo-molybdenum catalyst, the hydrogenation agent for heavy crude oil, heavy crude oil which contains bitumen, sulfur, nitrogen, and other metals of high, the processing of such heavy crudes more conventional catalysts when the catalyst is poisoning, hydrogenation equipment are often contaminated. 

 

A typical heavy crude oil containing C 81.6% (mass fraction), H9.89%, under S6.27%, N0.68% and 1.58% O, 314 ℃ distillate accounted 21.16%, above 314 ℃ distilled the matter accounted for 78.84%. 

 

An oil soluble organo-molybdenum catalyst precursor method follows the 4.84 g of molybdic acid (Mo3≥85%) and 12.47g 2- ethylhexanoic acid (99% purity) was placed in the reactor, stirring, heating, nitrogen 100mL / min and then to a temperature of 185 ℃, and then charge of 20% H2 and 80% N2 instead of N2, the mixture was maintained 6h, cooled to room temperature and placed in the product, the product is 2-ethyl hexanoate, and molybdenum containing Mo18%. 

 

Such a catalyst precursor by hydrogenating the heavy crude oil, the asphaltene conversion rate of 84% ~ 85%, C1 ~ C3 ~ a gas yield of 5.84% 7.27%, the operating rate of 84.5% conversion to 85%. Ratio of molybdenum 2-ethylhexanoate oil mixture was decanted and the catalyst was decanted good. 

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