New technology for refining Fischer-Tropsch synthesis light fraction oil
A technology of light distillate oil and Fischer-Tropsch synthesis, which is applied in the fields of multi-stage series refining process treatment, petroleum industry, and hydrocarbon oil treatment. It can solve the problems of multiple equipment, complicated processes, and large investment, and achieve improved separation efficiency. , Improve the extraction effect, reduce the effect of material volatilization loss
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[0027] Using Fischer-Tropsch synthetic light distillate produced by Inner Mongolia First Coal Chemical Company as raw material, the main component is C4-C21, the density is 737 kg / m3, the acid value is 65mgKOH / 100ml, mainly normal olefins and normal alkanes, and the olefin content is up to 55%-60% (more than 90% are alpha olefins), metal ion impurities are mainly trace iron impurities, very trace amounts of sulfur, nitrogen, and aromatics.
[0028] The pilot plant of the new Fischer-Tropsch synthetic light distillate refining process includes: φ100×800mm 4A molecular sieve adsorption column and φ100×800mm alkaline nut shell activated carbon adsorption column, 5L extractant compounder, 30L304 stainless steel stirring extraction refining kettle, 30L cone 304 stainless steel static separator at the bottom; the composite extractant solution is made by adding 600ml of 5% NAOH aqueous solution to 3000ml of analytically pure sulfinyl bis-methane and mixing uniformly; negative pressure in...
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