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凹凸棒粘土对水中亚甲蓝的吸附性能

Keywords: 凹凸棒粘土,亚甲蓝,吸附等温线,动力学

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Abstract:

用焦磷酸钠和盐酸纯化了地产凹凸棒粘土,SEM、XRD和FT-IR表征其结构。研究了凹凸棒粘土对亚甲蓝的吸附性能及热力学和动力学特征,考察了吸附时间、温度、初始浓度、pH和离子强度下对亚甲蓝吸附的影响。结果表明,不同实验条件下,吸附过程均符合准二级动力学特征。凹凸棒粘土对亚甲蓝是放热的物理吸附过程,吸附符合Langmuir模式,在303K时最大吸附量为114.02mg/g。与其他吸附材料相比,凹凸棒粘土对亚甲蓝有较快的吸附速率和较大的吸附量,可以作为价廉的吸附剂用于亚甲蓝的消除。

References

[1]  赵宜江, 张燕, 嵇鸣, 等.印染废水吸附脱色技术的研究进展. 水处理技术, 2000, 26(6): 315-319 Zhao Y. J., Zhang Y., Ji M., et al. Progress in studies on decolorization of printing and dyeing wastewater by adsorption. Technology of Water Treatment, 2000, 26(6): 315-319 (in Chinese)
[2]  Dabrowski A. Adsorption-from theory to practice. Adv. Colloid Interface,2001, 93(1-3): 135-224
[3]  Crini G. Non-conventional low-cost adsorbents for dye removal: A review. Bioresource Technol.,2006, 97(9): 1061-1085
[4]  Gupta V. K., Suhas. Application of low-cost adsorbents for dye removal:A review. J. Environ. Manage.,2009, 90(8): 2313-2342
[5]  Han R. P., Zhang J. J., Han P., et al. Study of equilibrium, kinetic and thermodynamic parameters about methylene blue adsorption onto natural zeolite. Chem. Eng. J.,2009, 145(3): 496-504
[6]  ?zdemir Y., Dogˇan M., Alkan M. Adsorption of cationic dyes from aqueous solutions by sepiolite. Micropor. Mesopor. Mat.,2006, 96(1-3): 419-427
[7]  Gücek A., #14;?瘙#1;塁#15;ener S., Bilgen S., et al. Adsorption and kinetic studies of cationic and anionic dyes on pyrophyllite from aqueous solutions. J. Colloid Interf. Sci.,2005, 286(1): 53-60
[8]  Ghosh D., Bhattacharyya K. G. Adsorption of methylene blue on kaolinite. Appl. Clay Sci.,2002, 20(6): 295-300
[9]  赵晓光,刘转年,刘源,等. 粉煤灰基成型吸附剂的制备及其对亚甲基蓝的吸附性能. 硅酸盐学报,2009, 37(10): 1683-1688 Zhao X. G., Liu Z. N., Liu Y., et al. Preparation of coal fly ash based forming adsorbent and its adsorptive properties for methylene blue. Journal of the Chinese Ceramic Society,2009, 37(10): 1683-1688 (in Chinese)
[10]  Wang S. B., Ma Q., Zhu Z. H. Characteristics of coal fly ash and adsorption application. Fuel,2008, 87(15-16): 3469-3473
[11]  Langmuir I. The constitution and fundamental properties of solids and liquids. J. Am. Chem. Soc., 1916, 38(11): 2221-2295
[12]  Aksu Z. Application of biosorption for the removal of organic pollutants: A review. Process Biochem.,2005, 40(3-4): 997-1026
[13]  Bhattacharyya K. G., Sharma A. Azadirachta indica leaf powder as an effective biosorbent for dyes: A case study with aqueous congo red solutions. J. Environ. Manage.,2004, 71(3): 217-229
[14]  Yasemin B., Haluk A. A kinetics and thermodynamics study of methylene blue adsorption on wheat shells. Desalination,2006, 194(1): 259-267
[15]  Hameed B. H., Ahmad A. A. Batch adsorption of methylene blue from aqueous solution by garlic peel, an agricultural waste biomass. J. Hazard. Mater.,2009, 164 (2-3): 870-875
[16]  Gong R. M., Li M., Yang C., et al. Removal of cationic dyes from aqueous solution by adsorption on peanut hull. J. Hazard. Mater.,2005, 121(1-3): 247-250
[17]  Hameed B. H., Mahmoud D. K., Ahmad A. A. Equilibrium modeling and kinetic studies on the adsorption of basic dye by a low-cost adsorbent: Coconut (Cocos nucifera) bunch waste. J. Hazard. Mater.,2008, 158(1): 65-72
[18]  Al-Futaisi A., Jamrah A., Al-Rawas A., et al. Adsorption capacity and mineralogical and physico-chemical characteristics of Shuwaymiyah palygorskite (Oman). Environmental Geol.,2007, 51(8): 1317-1327
[19]  黄健花,刘元法,金青哲,等. 加热影响凹凸棒土结构的光谱分析. 光谱学与光谱分析,2007,27(2):408-410 Huang J. H., Liu Y. F., Jin Q. Z., et al. Spectra study on the influence of drying process on palygorskite structure. Spectroscopy and Spectral Analysis,2007,27(2):408-410 (in Chinese)
[20]  Niu Z. W., Fan Q. H., Wang W. H., et al. Effect of pH, ionic strength and humic acid on the sorption of uranium(VI) to attapulgite. Appl. Radiat. Isotopes,2009, 67(9): 1582-1590
[21]  陈红,王文波,王爱勤. CMC-g-PAA/APT/HA复合高吸水性树脂的制备与溶胀性能. 腐植酸,2010, (5): 5-10 Chen H., Wang W. B., Wang A. Q. Preparation and swelling behaviors of CMC-g-PAA/APT/HA superabsorbent composites. Humic Acid,2010, (5): 5-10 (in Chinese)
[22]  Alkan M., Demirbas O., Celikcapa S., et al. Sorption of acid red 57 from aqueous solution onto sepiolite. J. Hazard. Mater.,2004, 116(1-2): 135-145
[23]  Karaogˇlu M. H., Dogˇan M., Alkan M. Kinetic analysis of reactive blue 221 adsorption on kaolinite. Desalination,2010, 256(1-3): 154-165
[24]  Dogˇan M., ?zdemir Y., Alkan M. Adsorption kinetics and mechanism of cationic methyl violet and methylene blue dyes onto sepiolite. Dyes Pigments,2007, 75(3): 701-713
[25]  Van De Ven T. G. M., Saint-Cyr K., Allix M. Adsorption of toluidine blue on pulp fibers. Colloid Surface A,2007, 294(1-3): 1-7
[26]  Butt H. J., Graf K., Kappl M. Physics and Chemistry of Interfaces. Weinheim: Wiley-Vch, 2003. 185-193
[27]  Liu Y. Some consideration on the Langmuir isotherm equation. Colloid Surface A,2006, 274(1-3): 34-36
[28]  Bhatnagar A., Jain A. K. A comparative adsorption study with different industrial wastes as adsorbents for removal of cationic dyes from water. J. Colloid Interf. Sci.,2005, 281(1): 49-55
[29]  Ho Y. S. Pseudo-second order model for sorption processes. Process Biochem.,1999, 34(5): 451-465

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