二氧化碳与氧化胺对含油污泥的协同清洗效果
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摘要
以大庆炼油厂含油污泥为研究对象,以含油污泥固含量为评价指标,研究了二氧化碳与氧化胺对含油污泥的协同清洗效果。结果表明,在温度为65℃、搅拌时间为30min、搅拌速度为200r·min-1、固液比为1∶6的条件下,氧化胺清洗后的含油污泥固含量在1.71%~3.59%之间,用量为1.0g时的清洗效果最好;在相同条件下,通入二氧化碳的N,N-二甲基十四烷基氧化胺、N,N-二甲基十八烷基氧化胺对含油污泥的清洗效果更好,固含量在1.17%~2.25%之间,用量为1.0g时的清洗效果最好。
Using oily sludge from Daqing Refinery as a research object,the solid content of oily sludge as an evaluation index,we studied the synergistic cleaning effect of amine oxide on oily sludge in the presence of carbon dioxide.The results indicate that the cleaning effect of amine oxide on oily sludge is the best when the amino oxide dosage is 1.0 g,and the solid content of oily sludge is between 1.71%and 3.59% under the conditions as follows:the temperature was 65 ℃,the stirring time was 30 min,the stirring speed was 200 r·min-1,and the solid-liquid ratio was 1∶6.Meanwhile,when the amino oxide dosage is 1.0 g,and the solid content of oily sludge is between 1.17% and 2.25% under the above conditions in the presence of carbon dioxide,the cleaning effects of N,N-dimethyldodecyl amine oxide and N,N-dimethyloctadecyl amine oxide on oily sludge are better.
Using oily sludge from Daqing Refinery as a research object,the solid content of oily sludge as an evaluation index,we studied the synergistic cleaning effect of amine oxide on oily sludge in the presence of carbon dioxide.The results indicate that the cleaning effect of amine oxide on oily sludge is the best when the amino oxide dosage is 1.0 g,and the solid content of oily sludge is between 1.71%and 3.59% under the conditions as follows:the temperature was 65 ℃,the stirring time was 30 min,the stirring speed was 200 r·min-1,and the solid-liquid ratio was 1∶6.Meanwhile,when the amino oxide dosage is 1.0 g,and the solid content of oily sludge is between 1.17% and 2.25% under the above conditions in the presence of carbon dioxide,the cleaning effects of N,N-dimethyldodecyl amine oxide and N,N-dimethyloctadecyl amine oxide on oily sludge are better.
引文
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[2]李君,罗亚田,丁飒,等.国内外含油污泥的处理现状分析[J].能源环境保护,2007,21(5):12-14.LI J,LUO Y T,DING S,et al.Analysis on domestic and foreign present situation of oily sludge treatment[J].Energy Environmental Protection,2007,21(5):12-14.
[3]ALFUTAISI A,JAMRAH A,YAGHI B,et al.Assessment of alternative management techniques of tank bottom petroleum sludge in Oman[J].Journal of Hazardous Materials,2007,141(3):557-564.
[4]LUTHRA M.A visualization technique for estimating bitumen recovery from oil sands[D].Canada University of Alberta,2001.
[5]ZUBAIDY E A H,ABOUELNASR D M.Fuel recovery from waste oily sludge using solvent extraction[J].Process Safety and Environmental Protection,2010,88(5):318-326.
[6]CHEN G H,HE G H.Separation of water and oil from water-inoil emulsion by freeze/thaw method[J].Separation and Purification Technology,2003,31(1):83-89.
[7]杨双春,刘国斌,张金辉,等.国内外含油污泥处理技术研究进展[J].现代化工,2012,32(11):36-39.YANG S C,LIU G B,ZHANG J H,et al.Progress in oily solid waste treatment technology at home and abroad[J].Modern Chemical Industry,2012,32(11):36-39.
[8]岳海鹏,李松.油田含油污泥处理技术的发展现状、探讨及展望[J].化工技术与开发,2010,39(4):17-20.YUE H P,LI S.Development status and prospect of treatment technology of oil-bearing sludge[J].Technology&Development of Chemical Industry,2010,39(4):17-20.
[9]方灵丹,郭霞,方慧君.氧化胺的性能研究[J].日用化学品科学,2015,38(3):22-24.FANG L D,GUO X,FANG H J.Performance of amine oxides[J].Detergent&Cosmetics,2015,38(3):22-24.
[10]李萍,李丽,杨旭.氧化胺的开发现状及应用[J].日用化学品科学,2005,28(2):19-22.LI P,LI L,YANG X.Exploitation actuality and applications of amine oxide[J].Detergent&Cosmetics,2005,28(2):19-22.