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In its essentials my process comprises treating petroleum or a fraction thereof containing one or more nitrogen bases with a volatile acid or a nonvolatile acid salt together with a mutual solvent for the acid and hydrocarbon to effect the improved recovery of the nitrogen base¡£It has been postulated that one reason for the comparatively inefficient separation of nitrogen bases from hydrocarbons is because of the poor solubility of the reagents normally employed in the extraction¡£I have found that this difficulty may be overcome by combining with the extractive solvent a mutual solvent which has the effect of increasing the solubility of the extractive solvent in the hydrocarbon resulting in improved recovery of the nitrogen bases¡£

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tianqiang(½ð±Ò+10):лл 2010-12-27 08:43:10
ringzhu(½ð±Ò+5):~~ 2010-12-28 14:20:28
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tianqiang(½ð±Ò+10, ·­ÒëEPI+1):лл 2010-12-27 08:42:48
ringzhu(½ð±Ò+5):~~~ 2010-12-28 14:20:21
In its essentials my process comprises treating petroleum or a fraction thereof containing one or more nitrogen bases with a volatile acid or a nonvolatile acid salt together with a mutual solvent for the acid and hydrocarbon to effect the improved recovery of the nitrogen base¡£It has been postulated that one reason for the comparatively inefficient separation of nitrogen bases from hydrocarbons is because of the poor solubility of the reagents normally employed in the extraction¡£I have found that this difficulty may be overcome by combining with the extractive solvent a mutual solvent which has the effect of increasing the solubility of the extractive solvent in the hydrocarbon resulting in improved recovery of the nitrogen bases¡£


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