以氯化镁、氢氧化钠、氯化钠为原料,利用室温固相反应制备了氢氧化镁.采用X射线粉末衍射(XRD)、扫描电镜( SEM)等方法对样品的物相、形貌进行了表征.对氢氧化镁吸附处理含Ni(Ⅱ)废水进行了研究,考察了pH值、吸附时间和吸附温度等因素对氢氧化镁吸附Ni(Ⅱ)过程的影响,使用准一级动力学模型、准二级动力学模型对动力学数据进行了拟合,结果表明氢氧化镁对Ni(Ⅱ)的吸附过程符合准二级动力学模型,并且吸附量随温度的增加而增大.
参考文献
| [1] | V. Padmavathy;P. Vasudevan;S.C. Dhingra .Biosorption of nickel(Ⅱ) ions on Baker's yeast[J].Process Biochemistry,2003(10):1389-1395. |
| [2] | Ajay Kumar Meena;G.K. Mishra;P.K. Rai;Chitra Rajagopal;P.N. Nagar .Removal of heavy metal ions from aqueous solutions using carbon aerogel as an adsorbent[J].Journal of hazardous materials,2005(1/2):161-170. |
| [3] | E. Remoudaki;A. Hatzikioseyian;P. Kousi;M. Tsezos .The mechanism of metals precipitation by biologically generated alkalinity in biofilm reactors[J].Water research: A journal of the international water association,2003(16):3843-3854. |
| [4] | Halil Hasar .Adsorption of nickel(Ⅱ) from aqueous solution onto activated carbon prepared from almond husk[J].Journal of hazardous materials,2003(1/3):49-57. |
| [5] | RaoM;Parwate A V;BholeAG .Removal of Cr6+ andNi2+ from aqueous solution using bagasse and fly ash[J].Waste Management,2002,22:821-830. |
| [6] | Yan GY.;Viraraghavan T. .Heavy metal removal in a biosorption column by immobilized M-rouxii biomass[J].Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies,2001(3):243-249. |
| [7] | 任志宏 .重金属废水中含镍废水的处理应用技术[J].应用科技,2007,2(02):72-74. |
| [8] | 鲁俊文,王维,张爱清,乔学亮,陈建国.纳米氧化镁的吸附及分解性能研究进展[J].硅酸盐通报,2011(05):1094-1098,1104. |
| [9] | 冯雪冬,王九思,马艳飞,潘嘉芬.氢氧化镁对Ni（Ⅱ）吸附机理和动力学[J].非金属矿,2009(02):72-74. |
| [10] | 于泊蕖,吕树芳,赵建海.氢氧化镁处理含镍废水条件探索及机理研究[J].工业安全与环保,2011(01):10-11. |
| [11] | 郭效军,王爱平,赵磊华,张力.室温固相结合水热处理制备纳米Mg．AI层状双金属氢氧化物[J].硅酸盐通报,2011(04):789-793. |
| [12] | Ma M H;Lin C I .Adsorption kinetics of β-carotene from soy oil using regenerated clay[J].Separation and Purification Technology,2004,39:201-209. |
| [13] | Naiya T K;Chowdhury P;Bhattacharya A K et al.Saw dust and neem bark as low-cost natural biosorbent for adsorptive removal of Zn (Ⅱ) and Cd(Ⅱ) ions from aqueous solutions[J].Chemical Engineering Journal,2009,148:68-79. |
| [14] | Ho Y S;Mckay G .The sorption of lead(Ⅱ) ions on peat[J].Water Research,1999,33:578-584. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%