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- W2373465951 abstract "The oxidative desulfurization process of diesel became a research hot-point with advantages of mild operating condition, no hydrogen consumption as well as low operating expenses and capital charges, being superior to the hydrodesulfurization (HDS) process, and a viable alternative to replace for HDS. A new desulfurization method, catalytic oxidative desulfurization with NO x-air as a catalyst and with acetic acid as a promoter, for straight-run diesel was attempted and the better results were achieved, overcoming the shortcomings of normal oxidative desulfurization technology, i.e., expensive cost of oxidant H 2O 2 which cannot be regenerated and the discharge of waste water containing sulfur. The experimental results showed that the sulfur content of diesel feed dropped from 1?039 to 299 μg/g after oxidation with NO x-air as a catalyst and with promoter acetic acid at 60 ℃ for 70 min. Then the sweetened diesel was extracted by N,N-dimethylformamide (DMF) to remove the oxidized products. As a result, the sulfur amount in the extracted diesel was reduced to 152 μg/g, which sufficed the Europe Ⅱ # diesel specification of less than 300 μg/g, with desulfurization rate of 85.4% and oil volume yield of 93.7% after extraction at 60 ℃ for four times when the volume ratio of extractant to diesel was 0.2." @default.
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- W2373465951 date "2004-01-01" @default.
- W2373465951 modified "2023-09-25" @default.
- W2373465951 title "Catalytic Oxidative Desulfurization of Straight-Run Dieselby Using NO_x and Air as Oxidants" @default.
- W2373465951 hasPublicationYear "2004" @default.
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