高效微波辐射制备Fe-MSB和Al-MSB及其性能表征

孟海玲; 朱丽莎; 刘再亮; 刘庭蕾; 周科

doi:10.3969/j.issn.1674-991X.2017.05.080

高效微波辐射制备Fe-MSB和Al-MSB及其性能表征

doi: 10.3969/j.issn.1674-991X.2017.05.080

安徽工业大学能源与环境学院,安徽马鞍山 243002

详细信息

作者简介:
孟海玲(1980—),女,副教授,博士,主要从事难降解废水处理研究,menghlahut@163.com

通讯作者:
朱丽莎 E-mail: 1141545603@qq.com

中图分类号: X703
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出版历程
- 收稿日期: 2017-04-20
- 刊出日期: 2017-09-20

Preparation and characterization of Fe-MSB and Al-MSB by efficient microwave irradiation

School of Energy and Environment, Anhui University of Technology, Maanshan 243002, China

More Information

Corresponding author: Lisha ZHU E-mail: 1141545603@qq.com

摘要

摘要: 采用高效微波辐射法,分别以硫酸铁和硫酸铝为改性剂,对钠基膨润土(SB)进行改性,制得硫酸铁改性钠基膨润土(Fe-MSB)和硫酸铝改性钠基膨润土(Al-MSB)。采用单因素试验,以Fe-MSB和Al-MSB对模拟含磷废水中磷的去除率为验证效果,探索最佳制备条件;通过Fe-MSB、Al-MSB和SB的X射线衍射(XRD)、红外光谱(IR)、扫描电镜(SEM)及比表面积表征,分析改性机理和吸附性能。结果表明:在Fe-MSB最佳制备条件下,硫酸铁投加量为0.08 g/g,微波功率为低火,微波时间为6 min时,磷的去除率和残留浓度分别为99.92%和0.02 mg/L;在Al-MSB最佳制备条件下,硫酸铝投加量为0.10 g/g,微波功率为中低火,微波时间为7 min时,磷的去除率和残留浓度分别为98.82%和0.30 mg/L;改性后Fe-MSB和Al-MSB的孔隙、层间距和比表面积均显著增大,吸附性能明显提高,且Fe-MSB的吸附性能高于Al-MSB。
- 高效微波辐射 /
- 硫酸铁 /
- 硫酸铝 /
- 钠基膨润土 /
- 表征
Abstract: The ferric sulfate modified sodium bentonite(Fe-MSB) and the aluminum sulfate modified sodium bentonite (Al-MSB) were prepared with sodium bentonite(SB) which respectively were modified with ferric sulfate and aluminum sulfate as modifier by efficient microwave irradiation. The optimal preparation conditions were explored with the removal efficiency of phosphorus in simulated phosphorus wastewater using Fe-MSB and Al-MSB to adsorb as verifying the results by single factor experiment. Modification mechanisms and adsorption properties were analyzed by XRD, IR, SEM and specific surface area characterizations of Fe-MSB, Al-MSB and SB. The results showed that the optimum preparation conditions of Fe-MSB were ferric sulfate dosage of 0.08 g/g, microwave power of low fire and microwave time of 6 min. Under the condition, the removal rate and residual concentration of phosphorus were 99.92% and 0.02 mg/L, respectively. The optimum preparation conditions of Al-MSB were ferric sulfate dosage of 0.10 g/g, microwave power of medium low fire and microwave time of 7 min. Under the condition, the removal rate and residual concentration of phosphorus were 98.82% and 0.30 mg/L, respectively. The pore space, the layer spacing and specific surface area of Fe-MSB and Al-MSB increased significantly, and the adsorption performance of Fe-MSB and Al-MSB increased obviously. Moreover, the adsorption capacity of Fe-MSB was better than Al-MSB.
- efficient microwave irradiation /
- ferric sulfate /
- aluminum sulfate /
- sodium bentonite /
- characterization

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参考文献(25)

[1]	顾玮, 张俊宝, 许伶俐 . 改性膨润土去除含磷废水实验研究[J]. 科学技术与工程, 2011,11(14):3350-3353. GU W, ZHANG J B, XU L L . Study on posphorus rmoval by coated filter media of bentonite[J]. Science Technology and Engineering, 2011,11(14):3350-3353.
[2]	范恒, 聂锦旭, 吴光锋 , 等. 微波改性膨润土对含磷废水的吸附性能研究[J]. 非金属矿, 2014,37(1):69-71. FAN H, NIE J X, WU G F , et al. Study on microwave modified bentonite and its adsorption properties of phosphorus[J]. Non-metallic Mines, 2014,37(1):69-71.
[3]	聂锦旭, 唐文广, 刘立凡 , 等. 微波强化改性膨润土的制备及其对磷吸附性能研究[J]. 非金属矿, 2010,33(3):74-76. NIE J X, TANG W G, LIU L F , et al. Study on modifi ed bentonite enhanced by microwave and its adsorption properties of phosphorus[J]. Non-metallic Mines, 2010,33(3):74-76.
[4]	胡敏 . Fe-Al柱撑蒙脱石的制备与表征[D]. 长沙:中南大学, 2008. HU M . The preparation and characterization of Fe-Al-pillared montmorillonite[D]. Changsha:Central South University, 2008.
[5]	WONG L S, HASHIM R, ALI F . Utilization of sodium bentonite to maximize the filler and pozzolanic effects of stabilized peat[J]. Engineering Geology, 2013,152(1):56-66.
[6]	YUAN J H, DENG L J . Study on the preparation of modified bentonite and it's adsorption behavior on Pb ²⁺ [J]. Journal of Functional Materials, 2011,42(6):980-984.
[7]	SHU M Y, YIN H Y, LIU G H. Influences of bentonite modification methods on the physical and chemical properties of bentonite[J]. Advanced Materials Research, 2012, 482/483/484:2096-2102.
[8]	WANG M, WANG X L, GAO G Q. Research on the regeneration of modified activated carbon containing 2,4,6-TCP by microwave irradiation[J]. Advanced Materials Research, 2014, 1033/1034:1358-1361.
[9]	SUBANNAJUI K . The study of thermal interaction and microstructure of sodium silicate/bentonite composite under microwave radiation[J]. Materials Chemistry & Physics, 2016,184:345-350.
[10]	普红平, 梅向阳, 黄小凤 . 微波稀土改性膨润土制备吸附剂除磷的研究[J]. 应用化工, 2006,35(12):935-938. PU H P, MEI X Y, HUANG X F . Research on moving phosphor with bentonite modified by microwave and rare earth[J]. Applied Chemical Industry, 2006,35(12):935-938.
[11]	聂锦旭, 刘汨, 刘立凡 . 微波强化铝改性膨润土对水中氨氮的吸附性能[J]. 金属矿山, 2009,39(12):142-145. NIE J X, LIU M, LIU L F . Study on adsorption properties of microwave enhanced Al-modified bentonite on ammonia-nitrogen in wastewater[J]. Metalmine, 2009,39(12):142-145.
[12]	吴光锋 . 掺Al-TiO₂改性膨润土制备及其去除微污染水中NH⁺₄和COD_Mn的研究 [D]. 广州:广东工业大学, 2015. WU G F . Study on Preparation of Aluminum-doped TiO2 Modified Bentonite and Removal of NH+4 and CODMn in Micro-Polluted Water [D]. Guangzhou:Guangdong University of Technology, 2015.
[13]	LUTZ J, MANOVA D, GERLACH J W , et al. Interpretation of glancing angle and Bragg-Brentano XRD measurements for CoCr alloy and austenitic stainless steel after PⅢ nitriding[J]. IEEE Transactions on Plasma Science, 2011,39(11):3056-3060.
[14]	HOLMBOE M, WOLD S, JONSSON M . Porosity investigation of compacted bentonite using XRD profile modeling[J]. Journal of Contaminant Hydrology, 2012,128:19-32.
[15]	QIAO C L. A great intellectual current worthy of national pride:the rise of the intellectual current of taking humanity as the foundation in the spring and autumn and warring states periods,and its historical significance[M] //Resolutely struggle against imperialism and neo-colonialism and for the economic emancipation of the Afro-Asian peoples[s.l.]:Foreign Languages Press, 2014: 37-46.
[16]	赵慧凯, 杨昆, 秦泽华 , 等. CdS/膨润土复合材料的制备及其光催化性能[J]. 发光学报, 2015,36(1):33-38. ZHAO H K, YANG K, QIN Z H , et al. Preparation of CdS/bentonite composites and its photocatalytic activity[J]. Chinese Journal of Luminescence, 2015,36(1):33-38.
[17]	曾秀琼, 许映杰, 张砚 , 等. Al-Fe柱撑膨润土的制备及其对活性艳红X-3B的吸附[J]. 浙江大学学报(理学版), 2001,28(4):423-427. ZENG X Q, XU Y J, ZHANG Y , et al. Synjournal of Al-Fe pillared montmorillonite and its adsorption of dye-water[J]. Journal of Zhejiang University(Science Edition), 2001,28(4):423-427.
[18]	盛楷 . 微波法制备铝基柱撑膨润土及吸附性能研究[D]. 沈阳:沈阳理工大学, 2012. SHENG K . Preparation of aluminum pillared bentonites by microwave irradiation and study of its adsorption properties[D]. Shenyang:Shenyang Ligong University, 2012.
[19]	胡雪峰 . 改性膨润土的制备及其吸附性能研究[D]. 武汉:武汉理工大学, 2008. HU X F . Preparation of modified bentonite and study on its adsorption[D]. Wuhan:Wuhan University of Technology, 2008.
[20]	莫晓余, 程培夏, 许银 , 等. 微波改性膨润土吸附:PAM混凝联用技术处理冶炼废水中的重金属[J]. 水处理技术, 2013,39(7):84-88. MO X Y, CHENG P X, XU Y , et al. Removal of heavy metals in smeltery wastewater by the combined technique of absorption with microwave modified bentonite and coagulation with PAM[J]. Technology of Water Treatment, 2013,39(7):84-88.
[21]	邵红, 孙伶 . 铁镍交联改性膨润土的表征及对铬的吸附性能研究[J]. 化学世界, 2007,48(12):709-712. SHAO H, SUN L . Characterization of Fe-Ni modified bentonite and study on the treatment of wastewater containing Cr(Ⅵ)[J]. Chemical World, 2007,48(12):709-712.
[22]	刘学贵, 刘长风, 高品一 , 等. 聚丙烯酰胺改性膨润土防渗材料的制备及其表征[J]. 新型建筑材料, 2012(4):10-13. LIU X G, LIU C F, GAO P Y , et al. Preparation and characterization of polyacrylamide modificated bentonite as impermeability material[J]. New Building Materials, 2012(4):10-13.
[23]	林涛, 李雪, 徐永建 , 等. 用于除硅的铝盐改性膨润土的制备与表征[J]. 岩石矿物学杂志, 2014,33(3):567-573. LIN T, LI X, XU Y J , et al. The preparation and characterization of aluminum salt modified bentonite in desilication[J]. Acta Petrologica Et Mineralogica, 2014,33(3):567-573.
[24]	吴光锋, 聂锦旭, 陈仕稳 , 等. 微波强化掺Al-TiO₂改性膨润土的制备及其结构表征[J]. 复合材料学报, 2015,32(3):769-775. WU G F, NIE J X, CHEN S W , et al. Preparation of bentonite modified by Al-TiO2 with microwave radiation and its structure characterization[J]. Acta Materiae Compositae Sinica, 2015,32(3):769-775.
[25]	王艳, 苗康康, 姜红波 , 等. 膨润土改性的研究进展[J]. 贵州化工, 2011,36(1):26-29. WANG Y, MIAO K K, JIANG H B , et al. Research progress on modification of bentonite[J]. Guizhou Chemical Industry, 2011,36(1):26-29.