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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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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。 就其要點,我的處理過程包括石油加工或者是其中的一部分,在這其中包含一或更多的氮基,通過對于酸或碳氫化合物有互溶作用的一種揮發(fā)性酸或非揮發(fā)性酸式鹽,可以改進的氮基的回收率。由于在分離過程中,一般被使用的試劑溶解性差,可以推測出這是氮基從烴類中分離出來效率差的原因之一。我已經(jīng)發(fā)現(xiàn),可以通過將萃取劑與一種互溶劑相混合,這樣可以提升萃取劑在碳氫化合物中的溶解度,從而改善氮基的回收率。 |
| 就其要點,我的處理過程包括對石油加工或者是其中的一部分,在這其中包含一種或更多的氮基,用揮發(fā)性酸或者是用對于酸和烴有互溶作用的非揮發(fā)性的酸式鹽可以提高氮基的回收率。我推測氮基從烴中分離效率相對較低的原因之一是用于提取的反應(yīng)物的溶解度太差。我發(fā)現(xiàn)這個難題可以通過結(jié)合萃取劑來克服,這個萃取劑是一種能和反應(yīng)物互溶的溶劑,它能夠提高萃取劑在烴中的溶解度從而提高氮基回收率 |
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