含氮生物降解促进剂对土壤吸附正十六烷的影响
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摘要
选用正十六烷模拟润滑油,通过振荡平衡实验,考察了两种含氮脂肪酸型生物降解促进剂(甲基二乙醇胺油酸酯(MDEAO)和油酸二乙醇酰胺(ODEA))对水土体系中正十六烷吸附行为的影响。实验结果表明:正十六烷在水土体系中的有机质标化分配系数与土壤种类无关,与生物降解促进剂种类有关;土壤对正十六烷的吸附过程更符合Freundlich等温吸附模型;MDEAO的临界胶束浓度为2.0 mg/L,对土壤吸附正十六烷有一定的促进作用,ODEA的临界胶束浓度为0.7 mg/L,形成的胶束对正十六烷的增溶效果明显,促进了正十六烷在土壤中的解吸。
Using n-hexadecane as simulate lubricant,the effects of two nitrogen-containing fatty acid biodegradation enhancers(methyl diethanolamine oleate(MDEAO)and oleic diethanolamide(ODEA))on adsorption of n-hexadecane from water-soil system were investigated by oscillation equilibrium experiments. The experimental results showed that :The standard partition coef?cients of n-hexadecane in water-soil system were independent of soil type but relevant to enhancer type;The adsorption of n-hexadecane on soil followed Freundlich isothermal adsorption model better;MDEAO with critical micelle concentration(CMC)of 2.0 mg/L could enhance the adsorption of n-hexadecane on soil,oppositely,ODEA with CMC of 0.7 mg/L could promote the desorption of n-hexadecane from soil in virtue of the solubilization ability of ODEA micelle to n-hexadecane.
Using n-hexadecane as simulate lubricant,the effects of two nitrogen-containing fatty acid biodegradation enhancers(methyl diethanolamine oleate(MDEAO)and oleic diethanolamide(ODEA))on adsorption of n-hexadecane from water-soil system were investigated by oscillation equilibrium experiments. The experimental results showed that :The standard partition coef?cients of n-hexadecane in water-soil system were independent of soil type but relevant to enhancer type;The adsorption of n-hexadecane on soil followed Freundlich isothermal adsorption model better;MDEAO with critical micelle concentration(CMC)of 2.0 mg/L could enhance the adsorption of n-hexadecane on soil,oppositely,ODEA with CMC of 0.7 mg/L could promote the desorption of n-hexadecane from soil in virtue of the solubilization ability of ODEA micelle to n-hexadecane.
引文
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[25]陈宝樑,朱利中,陶澍.非离子表面活性剂对菲在水/土壤界面间吸附行为的影响[J].环境科学学报,2003,23(1):1-5.
[2]CHEN B S,ZHANG N,WU J,et al.Enhanced biodegradability and lubricity of mineral lubricating oil by fatty acidic diethanolamide borates[J].Green Chem,2013,15(3):738-743.
[3]朱利中.土壤有机污染物界面行为与调控原理[M].北京:科学出版社,2015:25-35.
[4]戴树桂,董亮,王臻.表面活性剂在土壤颗粒物上的吸附行为[J].中国环境科学,1999,19(5):392-396.
[5]孙铁珩,李培军,周启星.土壤污染形成机理与修复技术[M].北京:科学出版社,2005:76-82.
[6]CHEN B S,GAO L Y,FANG J H,et al.Lubricant biodegradation enhancers:designed chemistry and engineered technology[J].China Pet Process Petrochem Technol,2015,17(3):102-110.
[7]高菱悦,陈波水,张楠,等.月桂酰基谷氨酸钠促进矿物润滑油生物降解的作用机制[J].后勤工程学院学报,2016,32(2):47-51.
[8]张楠.润滑油降解菌的分离、鉴定及氨基酸促进润滑油生物降解研究[D].重庆:后勤工程学院,2010.
[9]张楠,陈波水,韦友亮,等.烷醇酰胺类表面活性剂对润滑油生物降解性影响[J].环境科学与技术,2015,38(9):123-126.
[10]夏侃,陈波水,张楠,等.月桂酸二乙醇酰胺对液压油生物降解性及使用性能的影响[J].石油炼制与化工,2013,44(3):63-66.
[11]梁恺,陈波水,张楠,等.油酸二乙醇酰胺磷酸酯对润滑油生物降解及抗磨减摩性能的影响[J].石油炼制与化工,2012,43(1):68-71.
[12]安华瑞.两性磷酸酯表面活性剂的制备及其在皮革加脂中的应用[D].西安:陕西科技大学,2006.
[13]韩冰,耿涛,李秋小,等.甲基二乙醇胺双脂肪酸酯的合成与表征[J].精细化工,2014,31(3):332-336.
[14]李海明,郑西来,刘宪斌.渤海滩涂沉积物中石油污染物的迁移-转化规律研究[J].海洋环境科学,2005,24(3):9-12.
[15]韩辉.重油在胶州湾沉积物上的吸附解吸行为及其影响因素研究[D].青岛:中国海洋大学,2011.
[16]YU H,HUANG G H,AN C J,et al.Combined effects of DOM extracted from site soil/compost and biosurfactant on the sorption and desorption of PAHs in a soil-water system[J].J Hazard Mater,2011,190(1/3):883-890.
[17]朱利中,陈宝梁.多环芳烃在水/有机膨润土间的分配行为[J].中国环境科学,2000,20(2):119-123.
[18]朱利中,冯少良.混合表面活性剂对多环芳烃的增溶作用及机理[J].环境科学学报,2002,22(6):774-778.
[19]BARATI A,NAJAFI A,DARYASAFAR A,et al.adsorption of a new nonionic surfactant on carbonate minerals in enhanced oil recovery:experimental and modeling study[J].Chem Eng Res Des,2016,105:55-63.
[20]BARATI-HAROONI A,NAJAFI-MARGHMALEKIA,TATAR A,et al.Experimental and modeling studies on adsorption of a nonionic surfactant on sandstone minerals in enhanced oil recovery process with surfactant flooding[J].J Mol Liq,2016,220:1022-1032.
[21]CHEN B L,YUAN M X.Enhanced sorption of polycyclic aromatic hydrocarbons by soil amended with biochar[J].J Soils Sediments,2011,11(1):62-71.
[22]SUN L,ZHU L Z.Effect of anionic-nonionic mixed surfactant on ryegrass uptake of phenanthrene and pyrene from water[J].Chin Sci Bull,2009,54(3):387-393.
[23]YANG L M,JIN M G,TONG C S,et al.Study of dynamic sorption and desorption of polycyclic aromatic hydrocarbons in silty-clay soil[J].J Hazard Mater,2013,244/245:77-85.
[24]李克斌,陈经涛,魏红,等.表面活性剂和土壤有机质对莠去津在土壤上吸附的相互影响[J].西北农林科技大学学报(自然科学版),2008,36(8):119-124,131.
[25]陈宝樑,朱利中,陶澍.非离子表面活性剂对菲在水/土壤界面间吸附行为的影响[J].环境科学学报,2003,23(1):1-5.
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