将硅酸镁颗粒与聚偏氟乙烯的N-N二甲基乙酰胺溶液充分混合后挤出成型,烘干得到硅酸镁成型吸附剂,并利用BET、SEM等方法分析表征样品.研究了它对亚甲基蓝(methylene blue,MB)的吸附性能.结果表明:硅酸镁成型吸附剂对MB的吸附过程符合二级吸附动力学模型,热力学研究表明对MB的吸附符合Freundlich吸附等温式.
参考文献
| [1] | 徐小勇,施卫国,胡学兵,向芸.氮掺杂二氧化钛光催化降解亚甲基蓝的动力学研究[J].硅酸盐通报,2009(02):332-335. |
| [2] | 何龙,张健,平清伟,牛梅红,石海强,李娜.碱浸硅藻土提纯工艺探讨及其对亚甲基蓝吸附的热力学研究[J].硅酸盐通报,2012(06):1593-1598,1616. |
| [3] | Noureddine Barka;Ali Assabbane;Abederrahman Nounah .Removal of textile dyes from aqueous solutions by natural phosphate as a new adsorbent[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2009(1/3):264-275. |
| [4] | Song Lin;Casimir C. Akoh;A. Estes Reynolds .Recovery of used frying oils with adsorbent combinations; refrying and frequent oil replenishment[J].Food Research International,2001(2/3):159-166. |
| [5] | Lee KT;Foglia TA;Chang KS .Production of alkyl ester as biodiesel from fractionated lard and restaurant grease[J].Journal of the American Oil Chemists' Society,2002(2):191-195. |
| [6] | Wang, YQ;Wang, GZ;Wang, HQ;Liang, CH;Cai, WP;Zhang, LD .Chemical-Template Synthesis of Micro/Nanoscale Magnesium Silicate Hollow Spheres for Waste-Water Treatment[J].Chemistry: A European journal,2010(11):3497-3503. |
| [7] | 王银叶,单杰,张春青.X分子筛-硅藻土复合吸附剂对废水中亚甲基蓝吸附性能的研究[J].工业用水与废水,2009(05):53-56. |
| [8] | Alkan M;Demirbas O;Dogan M .Adsorption kinetics and thermodynamics of an anionic dye onto sepiolite[J].Microporous and mesoporous materials: The offical journal of the International Zeolite Association,2007(3):388-396. |
| [9] | Kavitha D;Namasivayam C .Experimental and kinetic studies on methylene blue adsorption by coir pith carbon[J].Bioresource Technology: Biomass, Bioenergy, Biowastes, Conversion Technologies, Biotransformations, Production Technologies,2007(1):14-21. |
| [10] | Mahmut Oezacar;I. Ayhan Sengil .Adsorption of reactive dyes on calcined alunite from aqueous solutions[J].Journal of hazardous materials,2003(1/3):211-224. |
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%