Recovering Oil From Used Waste Clay by Surfactant Method

Abstract

Abstract:

　Waste clay was prepared in proper mass ratio by fresh clay and poo r quality diesel oil.The efficiency of the oil recoveryfrom the waste clay w as investigated .The recovery processing conditions of waste clay are as follows :the mass ratio of liquid and solidis 2∶1, stir ring temperature is 95 ℃, and stirring time is 30 minutes .Under the above conditions , the survey of the surfactants andthe surfactants' confected types w as made .The results show that the oil recovery effects of the compound surfactants are better thanthat of the single surfactant .The compound surfactants types and the mass ratio of the compound surfactants were determined.Whenthe mass ratio of the selected anionic surfactant and the selected nonionic surfactant is 4∶1, the oil recovery rate reaches 88.82%.Furthermore , the color and quality of the recovery oil is good .

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Key words: 　Waste clay , 　Surfactant , 　Oil recovery

摘要： 　用白土和品质较差的柴油按一定质量比配制成废白土, 并对废白土中油分的回收效果进行研究。确定了废白土提纯的工艺条件为液固质量比为2∶1 , 搅拌温度为95 ℃, 搅拌时间为30 min 。并在此工艺条件下考察表面活性剂的选择及其复配类型。结果表明, 采用复合表面活性剂对油分进行回收时的回收效果要优于采用单一表面活性剂时的回收效果。同时确定了复合表面活性剂的类型及其组成的质量比, 当选用的阴离子表面活性剂与非离子表面活性剂的质量比为4∶1 时, 油分回收率可达到88 .82 %, 回收后的油分色泽浅, 品质好。

关键词: 废白土, 　表面活性剂, 　油分回收

MO Ya -nan,GUO Da -guang. Recovering Oil From Used Waste Clay by Surfactant Method[J]. Journal of Liaoning Petrochemical University, 2006, 26(1): 19-21.

莫娅南, 郭大光. 表面活性剂法回收废白土中的油分[J]. 辽宁石油化工大学学报, 2006, 26(1): 19-21.

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Recovering Oil From Used Waste Clay by Surfactant Method

表面活性剂法回收废白土中的油分

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