蛋壳及膜对十二烷基苯磺酸钠的吸附研究
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摘要
以鸡蛋壳为原料,采用化学方法分离鸡蛋壳和壳膜制备2种吸附材料,研究其对十二烷基苯磺酸钠(SDBS)的吸附性能。分别考察了吸附剂用量、溶液pH、吸附时间和吸附温度等参数对吸附性能的影响,结果表明,在最佳实验条件下,鸡蛋壳的吸附量达8.29 mg/g,壳膜的吸附量达119.9 mg/g,蛋壳和壳膜的吸附过程均符合Freundlich等温吸附模型,并且均为自发、放热过程。另外,研究了蛋壳和壳膜的脱附性能,结果表明NaOH对蛋壳和壳膜的脱附率可达60%以上,说明蛋壳和壳膜在吸附SDBS后具有较好的可再生性。
Eggshell as raw material, using chemical methods to separate its shell and membrane could obtain new adsorbent material, and its capacity of adsorption for sodium dodecyl benzene sulfonate(SDBS) was studied. In this study, the main effect factors such as adsorbent dosages, pH values of solution, the adsorbent time and temperature were investigated respectively. The results showed that under the optimal experimental conditions, the maximum adsorption capacity of eggshell was 8.29 mg/g, and the membrane was 119.9 mg/g. The both absorption were accorded with the Freundlich adsorption isotherm model, and the processes of adsorption were spontaneous and exothermic. In addition, the desorption performance of egg shell and membrane was also studied, and it showed that NaOH could make the desorption rate of eggshell and membrane reach more than 60%, which indicated that the renewability of eggshell and membrane was well.
Eggshell as raw material, using chemical methods to separate its shell and membrane could obtain new adsorbent material, and its capacity of adsorption for sodium dodecyl benzene sulfonate(SDBS) was studied. In this study, the main effect factors such as adsorbent dosages, pH values of solution, the adsorbent time and temperature were investigated respectively. The results showed that under the optimal experimental conditions, the maximum adsorption capacity of eggshell was 8.29 mg/g, and the membrane was 119.9 mg/g. The both absorption were accorded with the Freundlich adsorption isotherm model, and the processes of adsorption were spontaneous and exothermic. In addition, the desorption performance of egg shell and membrane was also studied, and it showed that NaOH could make the desorption rate of eggshell and membrane reach more than 60%, which indicated that the renewability of eggshell and membrane was well.
引文
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[12]耿勤,张平,廖柏寒,等.生物质炭对溶液中Cd2+的吸附[J].环境工程学报, 2015,9(4):1675-1679.Geng Qin, Zhang Ping, Liao Bohan, et al. Adsorption of Cd2+in aqueous solution by biochars[J]. Chinese Journal of Environmental Engineering, 2015,9(4):1675-1679.
[13]龚正君,张志鹏,陈钰.改性花生壳对苯酚的吸附[J].环境工程学报, 2012,10(6):3591-3595.Gong Zhengjun, Zhang Zhipeng, Chen Yu. Adsorption of phenol by modified peanut shell[J]. Chinese Journal of Environmental Engineering, 2012,10(6):3591-3595.
[14] Silvio R Taffarel, Jorge Rubio. Adsorption of sodium dodecyl benzene sulfonate from aqueous solution using a modified natural zeolite with CTAB[J]. Chinese Journal of Environmental Engieering, 2010,23(10):771-779.
[15] Parhizgar F, Alishahi A, Varasteh H. Removing sodium dodecyl benzene sulfonate(SDBS)from aqueous solutions using chitosan[J]. Journal of Polymers and the Environment,2017,25(3):836–843.
[16]曹玮,周航,郑贵友,等.改性谷壳生物炭负载磁性Fe去除废水中Pb2+的效果及机制[J].环境工程报, 2017,11(3):1437-1444.Cao Wei, Zhou Hang, Zheng Guiyou, et al. Effects and mechanisms of magnetic iron supported on rice husk biochar removing Pb2+in wastewater[J]. Chinese Journal of Environmental Engineering, 2017,11(3):1437-1444.
[17]施周,袁明洋,杨秀贞,等.磁性壳聚糖改性硅藻土吸附去除水中的铅离子[J].环境工程学报, 2017,11(2):787-792.Shi Zhou,Yuan Mingyang, Yang Xiuzhen, et al. Adsorptive removal of Pb2+using magnetic chitosan modified diatomite[J]. Chinese Journal of Environmental Engineering, 2017,11(2):787-792.
[2]黄晓东,徐国钦,娄本勇.季铵盐壳聚糖膜对水体中十二烷基苯磺酸钠吸附的研究[J].环境科学与技术, 2012,35(11):65-69.Huang Xiaodong, Xu Guoqin, Lou Benyong. Adsorption of sodium dodecyl benzene sulfonate from aqueous solution by quaternary chitosan salt membranes[J]. Environmental Science&Technology, 2012,35(11):65-69.
[3]龙森,庹必阳,韩朗,等.锆柱撑蒙脱石对十二烷基苯磺酸钠的吸附研究[J].非金属矿, 2017,40(2):4-7.Long Sen, Tuo Biyang, Han Lang, et al. Research on the adsorption behavior of sodium dodecyl benzene sulfonate on Zr-pillared montmorillonite[J]. Non-metallic Mines, 2017,40(2):4-7.
[4] David Hanigan, Zhang Jinwei, Pierre Herckes, et al. Adsorption of N-nitrosodimethylamine precursors by powdered and granular activated carbon[J]. Environmental Science and Technology, 2012,46(22):12630-12639.
[5]史明明,刘美艳,曾佑林,等.硅藻土和膨润土对重金属离子Zn2+、Pb2+及Cd2+的吸附特性[J].环境化学, 2012,31(2):162-167.Shi Mingming, Liu Meiyan, Zeng Youlin, et al. Adsorption characteristics of diatomite and bentonite on heavy metal ions Zn2+, Pb2+and Cd2+[J]. Environmental Chemistry, 2012,31(2):162-167.
[6]陈彰旭,辛梅华,李明春,等.壳聚糖/粉煤灰/高岭土的制备及其处理活性蓝模拟印染废水的研究[J].化工新型材料,2013,41(10):165-168.Chen Zhangxu, Xin Meihua, Li Mingchun, et al. Preparation of composites of cheitosan/fly ash/kaolin for treatment of simulated dyeing wastewaters containing reactive blue[J].New Chemical Materials, 2013,41(10):165-168.
[7]韩玉,汪兰,孙智达,等.蛋壳及壳膜吸附性质的研究进展[J].食品工业科技, 2012,33(13):388-391.Han Yu,Wang Lan,Sun Zhida, et al. Research progress in adsorption properties of eggshell and eggshell membrane[J]. Science and Technology of Food Industry, 2012,33(13):388-391.
[8] Mahtab Ahmad, Adel RA Usman, Sang Soo Lee, et al. Eggshell and coral wastes as low cost sorbents for the removal of Pb2+, Cd2+and Cu2+from aqueous solutions[J]. Journal of Industrial and Engineering Chemistry, 2012,18:198-204.
[9] Khalid Z Elwakeel, Ahmed M Yousif. Adsorption of malathion on thermally treated egg shell material[J]. Water Science and Technology, 2010,61(4):1035-1041.
[10]肖文香.壳膜对有机染料的吸附脱色作用研究[J].化工时刊, 2009,23(5):29-31.Xiao Wenxiang. Decoloration of organic dye based on eggshell membrane[J]. Chemical Industry Time, 2009,23(5):29-31.
[11] Cheng X, Liu J, Gao Z, et al. Adsorption removal of cadmium(Ⅱ)from aqueous solution by using modified eggshell membrane[J]. Bioinformatics and Biomedical Engineering,2011,5:1-4.
[12]耿勤,张平,廖柏寒,等.生物质炭对溶液中Cd2+的吸附[J].环境工程学报, 2015,9(4):1675-1679.Geng Qin, Zhang Ping, Liao Bohan, et al. Adsorption of Cd2+in aqueous solution by biochars[J]. Chinese Journal of Environmental Engineering, 2015,9(4):1675-1679.
[13]龚正君,张志鹏,陈钰.改性花生壳对苯酚的吸附[J].环境工程学报, 2012,10(6):3591-3595.Gong Zhengjun, Zhang Zhipeng, Chen Yu. Adsorption of phenol by modified peanut shell[J]. Chinese Journal of Environmental Engineering, 2012,10(6):3591-3595.
[14] Silvio R Taffarel, Jorge Rubio. Adsorption of sodium dodecyl benzene sulfonate from aqueous solution using a modified natural zeolite with CTAB[J]. Chinese Journal of Environmental Engieering, 2010,23(10):771-779.
[15] Parhizgar F, Alishahi A, Varasteh H. Removing sodium dodecyl benzene sulfonate(SDBS)from aqueous solutions using chitosan[J]. Journal of Polymers and the Environment,2017,25(3):836–843.
[16]曹玮,周航,郑贵友,等.改性谷壳生物炭负载磁性Fe去除废水中Pb2+的效果及机制[J].环境工程报, 2017,11(3):1437-1444.Cao Wei, Zhou Hang, Zheng Guiyou, et al. Effects and mechanisms of magnetic iron supported on rice husk biochar removing Pb2+in wastewater[J]. Chinese Journal of Environmental Engineering, 2017,11(3):1437-1444.
[17]施周,袁明洋,杨秀贞,等.磁性壳聚糖改性硅藻土吸附去除水中的铅离子[J].环境工程学报, 2017,11(2):787-792.Shi Zhou,Yuan Mingyang, Yang Xiuzhen, et al. Adsorptive removal of Pb2+using magnetic chitosan modified diatomite[J]. Chinese Journal of Environmental Engineering, 2017,11(2):787-792.