以去离子水为浸提剂,对不同原油来源、不同加工工艺的5种沥青进行了浸出试验,研究了液固比、浸出时间、浸出温度、浸提液含盐量和pH值对浸出量的影响.结果表明,5种沥青在液固比为18L/kg时浸出效率最高;不同沥青的组分在浸提液中达到分配平衡的时间不同,范围在0.5～2h内,且各组分的浸出量都随温度的升高而增加,而随浸提液含盐量和pH值的增加都出现先增加后降低的趋势;不同的沥青原料达到最大值时要求的含盐量和pH值也有所不同.
参考文献
| [1] | 柳永行.石油沥青[M].北京:石油工业出版社,1984:63. |
| [2] | Miller H C;Barret W J;James H .Investigating potential water contamination by petroleum-asphalt coatings in ductile-iron pipe[J].Journal of the American Water Works Association,1982,74:151. |
| [3] | Kriech A J .Evaluation of hot mix asphalt for leachability[OL].http://www.asphahinstitute.org/ environ/leachma,html,1997. |
| [4] | H.C.A.Brandt;P.C.De Groot .Aqueous Leaching of polycyclic aromatic Hydrocarbons From Bitumen and Asphalt[J].Water research: A journal of the international water association,2001(17):4200-4207. |
| [5] | Legrert M;Odie L;Demare D .Leaching of heary metals and polycyclic aromatic hydrocarbons from reclaimed asphalt pavement[J].Water Research,2005,39:3675. |
| [6] | GB5086.1-1997.GB5086.1-1997.固体废物浸出毒性浸出方法翻转法[S].,1997. |
| [7] | GB5086.2-1997.GB5086.2-1997.固体废物浸出毒性浸出方法水平振荡法[S].,1997. |
| [8] | Method 1311.Method 1311.Toxicity characteristic leaching procedure[S].,1992. |
| [9] | Method 1312.Method 1312.Synthetic precipitation leaching procedure[S].,1992. |
| [10] | EN12457-3.V.Compliance test for granular waste materials and sludges[S].,2002. |
| [11] | 国家气象中心.中国降水年册(1991-2002)[M].北京:国家气象中心,2003 |
| [12] | 慕儒,缪昌文,刘加平,孙伟.混凝土的除冰盐剥落性能与机理研究[J].江苏建材,2001(03):1-5. |
| [13] | Camaro S.Long-term behaviour of Bituminized waste[A].Nuclear Research Institute Rez,Czech Republic,1999:157. |
| [14] | Gwinner B .Comportement sous eau des de'chets radioactifs bitume's:Validation expe'rimentale du mode'le de de'gradation COLONBO[D].France:Institut National Polytechnique de Lorraine,Nancy,2004. |
| [15] | Gwinner B;Sercombe J;Simondi-Teisseire B et al.Modelling of bituminized radioactive waste leaching[J].Journal of Nuclear Materials,2006,349(01):107. |
| [16] | 程新金,孙继明,雷恒池,段宁,安俊岭.中国二氧化硫排放控制的效果评估[J].大气科学,2004(02):174-186. |
| [17] | 韩成年.燃煤二氧化硫污染及其治理技术的现状分析[J].中国铸造装备与技术,2001(02):5-8. |
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