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PS-TMT树脂的合成及其对水溶液中Hg(Ⅱ)的吸附性能

Keywords: 螯合树脂,功能化,吸附,

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Abstract:

以氯甲基聚苯乙烯树脂为载体与三聚硫氰酸反应,合成了功能化的螯合树脂PS-TMT,并对其进行了元素分析、红外光谱以及比表面表征。通过静态吸附实验研究了其对水溶液中Hg(Ⅱ)的吸附性能,结果表明,PS-TMT螯合树脂在pH值1~7范围内对Hg(Ⅱ)具有良好的吸附能力,在25℃、pH7条件下对Hg(Ⅱ)的最大吸附容量为344mg/g;动力学研究显示树脂对Hg(Ⅱ)的吸附在240min内可达到吸附平衡,吸附动力学过程符合准二级动力学模型;吸附等温线则符合Langmuir吸附等温线模型。

References

[1]  El-Shafey E. Removal of Zn(Ⅱ) and Hg(Ⅱ) from aqueous solution on a carbonaceous sorbent chemically prepared from rice husk. J. Hazard. Mater., 2010, 175(1-3): 319-327
[2]  张新艳,王起超,张少庆,等. 巯基功能化沸石吸附Hg2+特征及固化/稳定化含汞废物研究. 环境科学学报,2009,29 (10): 2134-2140 Zhang X. Y., Wang Q. C., Zhang S. Q., et al. Characteristics of mercury sorption and stabilization/solidification of mercury-contaminated hazardous wastes by thiol-functionalized zeolites. Acta Scientiae Circumstantiae, 2009,29 (10): 2134-2140 (in Chinese)
[3]  刘立华,吴俊,李鑫,等.重金属螯合絮凝剂对废水中铅、镉的去除性能.环境工程学报,2011,5(5):1029-1034 Liu L. H.,Wu J.,Li X.,et al. Removal performance of heavy metal chelating flocculant for Pb2+ and Cd2+ in wastewater. Chinese Journal of Environmental Engineering,2011,5(5):1029-1034 (in Chinese)
[4]  唐宁,柴立元,闵小波. 含汞废水处理技术的研究进展. 工业水处理,2004,24 (8): 5-8 Tang N., Chai L. Y., Min X. B. Research development in the treatment of mercury-containing wastewater. Industrial Water Treatment,2004,24 (8): 5-8 (in Chinese)
[5]  Zou Q., Zou L., Tian H. Detection and adsorption of Hg2+ by new mesoporous silica and membrane material grafted with a chemodosimeter. J. Mater. Chem., 2011, 21 (38): 14441-14447
[6]  Ma X. J., Li Y. F., Ye Z. F., et al. Novel chelating resin with cyanoguanidine group: Useful recyclable materials for Hg(Ⅱ) removal in aqueous environment. J. Hazard. Mater., 2011, 185 (2-3): 1348-1354
[7]  Phothitontimongkol T., Siebers N., Sukpirom N., et al. Preparation and characterization of novel organo-clay minerals for Hg(Ⅱ) ions adsorption from aqueous solution. Appl. Clay Sci., 2009, 43(3-4): 343-349
[8]  Zabihi M., Haghighiasl A., Ahmadpour A. Studies on adsorption of mercury from aqueous solution on activated carbons prepared from walnut shell. J. Hazard. Mater., 2010, 174(1-3): 251-256
[9]  Takagai Y., Shibata A., Kiyokawa S., et al. Synthesis and evaluation of different thio-modified cellulose resins for the removal of mercury (Ⅱ) ion from highly acidic aqueous solutions. J. Colloid Interface Sci., 2011, 353(2): 593-597
[10]  Aguado J., Arsuaga J. M., Arencibia A. Adsorption of aqueous mercury(Ⅱ) on propylthiol-functionalized mesoporous silica obtained by cocondensation. Ind. Eng. Chem. Res., 2005, 44(10): 3665-3671
[11]  Ho Y.S., McKay G. Pseudo-second-order model for sorption processes. Process Biochem., 1999, 34 (5): 451-465
[12]  Qu R. J., Sun C. M., Ma F., et al. Removal and recovery of Hg(Ⅱ) from aqueous solution using chitosan-coated cotton fibers. J. Hazard. Mater., 2009, 167 (1-3): 717-727
[13]  唐树和,王京平,费正皓. 间硝基酚在超高交联树脂上的吸附性能. 环境工程学报,2008,2(5):615-618 Tang S. H., Wang J. P., Fei Z. H. Adsorption of m-nitrophenol on hypercrosslinked polymeric resins. Chinese Journal of Environmental Engineering, 2008,2(5):615-618 (in Chinese)
[14]  Kurniawan T. A., Chan G., Lo W. H. Physico-chemical treatment techniques for wastewater laden with heavy metals. Chem. Eng. J., 2006, 118(1-2): 83-98
[15]  Zhang L. P., Ni C. H., Zhu C. P., et al. Preparation and adsorption properties of chelating resins from thiosemicarbazide and formaldehyde. J. Appl. Polym. Sci., 2009, 112 (4): 2455-2461
[16]  张青梅,向仁军,成应向. 巯基树脂的合成及对Hg2+的吸附特征. 环境科学研究,2010,23 (7): 1937-1942 Zhang Q. M., Xiang R. J., Cheng Y. X. Synthesis of thiol resin and its adsorption properties for Hg2+. Research of Environmental Sciences. 2010,23 (7): 1937-1942 (in Chinese)
[17]  Liao D. M., Luo Y. B., Yu P., et al. Chemistry of copper trimercaptotriazine (TMT) compounds and removal of copper from copper-ammine species by TMT. Appl. Organomet. Chem., 2006, 20 (4): 246-253
[18]  Lee S. M., Allen P. D. Removal of Cu(Ⅱ) and Cd(Ⅱ) from aqueous solution by seafood processing waste sludge. Water Res., 2001, 35 (15): 534-540
[19]  Li X. G., Ma X. L., Sun J., et al. Powerful reactive sorption of silver(Ⅰ) and mercury(Ⅱ) onto poly(o-phenylenediamine) microparticles. Langmuir, 2009, 25 (3): 1675-1684
[20]  Lagergren S. Zur theorie der sogenannten adsorption gelster stoffe. K. Sven. Vetenskapsakad., Handl., 1898, 24(4): 1-39

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