Adsorption of Heavy Metal Ions from Leachate by Chitosan Cross-linked Humic Acid Gel Beads
LIU Shan1,2,*, LIAO Lei1,2, WEI Li1,3, LI Xuanni1,2, CAO Lei1,2, WANG Xin1,2
1 School of Water and Environment,Chang'an University, Xi'an 710054, China 2 Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, Chang'an University, Xi'an 710054, China 3 Fourth Institute of Geological and Mineral Exploration of Gansu Provincial Bureau of Geology and Mineral Resources, Jiuquan 735000, Gansu, China
Abstract: Anovel porous composite adsorbent(CS-HA gel beads) was prepared by chitosan (CS) modified with humic acid(HA), using formaldehyde (CH2O) as the crosslinking agent and polyethylene glycol (PEG) as the pore-forming agent. The static adsorption performance of Cr(Ⅵ), Ni(Ⅱ), Cu(Ⅱ) and Pb(Ⅱ) by CS-HA gel beads and the dynamic adsorption capacity of the four heavy metal ions in the leachate environment were investigated. The results showed that the optimal adsorption pH of Cr(Ⅵ), Ni(Ⅱ), Cu(Ⅱ) and Pb(Ⅱ) were 3, 8, 6 and 6, respectively. The adsorption process of the four heavy metal ions conformed to the pseudo-second-order kinetics and Langmuir isothermal model, with the adsorption being spontaneous.The maximum adsorption capacity of Cr(Ⅵ), Ni(Ⅱ), Cu(Ⅱ) and Pb(Ⅱ) was 108.84 mg/g, 170.40 mg/g, 104.95 mg/g and 92.80 mg/g, respectively. The dynamic adsorption experiment results showed that CS-HA gel beads could simultaneously adsorb Cr(Ⅵ), Ni(Ⅱ), Cu(Ⅱ) and Pb(Ⅱ) from the leachate, and the adsorption capacity of the four heavy ions was similar. The depletion time of Ni(Ⅱ) was the longest, and the utilization efficiency of the adsorbent was the highest. The FTIR results indicated that the complexation of hydroxyl, amino and carboxyl groups with heavy metal ions was the main adsorption mechanism.
刘珊, 廖磊, 魏莉, 李炫妮, 曹磊, 王鑫. 壳聚糖交联腐殖酸凝胶球吸附渗滤液中重金属离子研究[J]. 材料导报, 2023, 37(3): 21040317-8.
LIU Shan, LIAO Lei, WEI Li, LI Xuanni, CAO Lei, WANG Xin. Adsorption of Heavy Metal Ions from Leachate by Chitosan Cross-linked Humic Acid Gel Beads. Materials Reports, 2023, 37(3): 21040317-8.
1 Li Z, Wu L, Shen M Y, et al.Journal of Environment and Health, 2019, 36(6), 560 (in Chinese). 李志, 吴莉娜, 沈明玉, 等. 环境与健康杂志, 2019, 36(6), 560. 2 Liu Z M, Xu L C, Cui L J, et al.Industrial Water Treatment, 2017, 37(6), 19 (in Chinese). 刘占孟, 徐礼春, 崔立杰, 等. 工业水处理, 2017, 37(6), 19. 3 Li H Q, Liu X Y, Sun Y, et al.Environmental Science & Technology, 2020(7), 154 (in Chinese). 李海青, 刘欣艳, 孙宇, 等. 环境科学与技术, 2020(7), 154. 4 Peng Y Z, Zhang S J, Zheng S W, et al.Techniques and Equipment for Environmental Pollution Control, 2006, 7(1), 1 (in Chinese). 彭永臻, 张树军, 郑淑文, 等. 环境污染治理技术与设备, 2006, 7(1), 1. 5 Li H Q, Liu X Y,Zhao Y L, et al.Environmental Sanitation Engineering, 2018, 26(6), 38 (in Chinese). 李海青, 刘欣艳, 赵月龙, 等. 环境卫生工程, 2018, 26(6), 38. 6 LiuS, Fan S G, Sun Z H, et al.Applied Chemical Industry, 2018, 47(6), 1304 (in Chinese). 刘珊, 樊升光, 孙朝辉, 等. 应用化工, 2018, 47(6), 1304. 7 Abdul A N, Sucharita D S, Naidu G S, et al.Chemosphere, 2021, 266, 1. 8 Guo M, Yin F, Dong Y.Journal of Shandong Agricultural University(Na-tural Science Edition), 2008, 39(3), 361 (in Chinese). 郭淼, 尹峰, 董毅.山东农业大学学报(自然科学版), 2008, 39(3), 361. 9 Luo J M, Sun M, Ritt C L, et al.Environmental Science & Technology, 2019, 53(4), 2075. 10 Chen J F, Zhang W Y, Li X.Polymer Bulletin,2016,73(7), 1965. 11 Liu H L, He L H, Zhao Y.Journal of Salt Science and Chemical Industry, 2020, 49(1), 1 (in Chinese). 刘海龙, 何璐红, 赵扬. 盐科学与化工, 2020, 49(1), 1. 12 Qin P, Yu G,Qu Y J, et al.Materials Reports B:Research Papers, 2014, 28(12), 52 (in Chinese). 秦朋, 于刚, 区又君, 等. 材料导报:研究篇, 2014, 28(12), 52. 13 Jin X, Li K, Ning P, et al.Water Air and Soil Pollution, 2017, 228(8), 939. 14 Elsayed S A, Saad E M, Butler I S, et al.Journal of Environmental Chemical Engineering, 2018, 6(2), 3451. 15 Liu F B, Jia M C, Men J F.Environmental Science & Technology, 2015, 38(4), 96 (in Chinese). 刘法邦, 贾铭椿, 门金凤.环境科学与技术, 2015, 38(4), 96. 16 Wang X Q, Tao L Y, Dong R J, et al.Bioresource Technology, 2021, 320(Pt A), 1. 17 Yang L F, Liu Z R, Wang Y, et al.Fine Chemicals, 2018, 35(4), 662 (in Chinese). 杨灵芳, 刘峙嵘, 王云, 等.精细化工, 2018, 35(4), 662. 18 Yuan Y, Rong Y L, Yang F, et al.Food and Fermentation Industries, 2020, 46(18) , 252 (in Chinese). 袁媛, 荣雅利, 杨丰,等. 食品与发酵工业, 2020, 46(18), 252. 19 Jiang Y J, Yu X Y, Luo T, et al.Journal of Chemical & Engineering Data, 2013, 58(11), 3142. 20 Wu W H. Impact of humic acid on the adsorption of copper ions by activated sludge. Master's Thesis, Chongqing University, China, 2015 (in Chinese). 武文会. 腐殖酸对活性污泥吸附铜离子的影响研究. 硕士学位论文, 重庆大学, 2015. 21 Padilla-Ortega E, Leyva-Ramos R, Mendoza-Barron J.Applied Clay Science, 2014, 88-89, 10. 22 Ma M G, Zhou M, Jiang Y F, et al.Journal of Safety and Environment, 2006, 6(3), 68 (in Chinese). 马明广, 周敏, 蒋煜峰, 等.安全与环境学报, 2006, 6(3), 68. 23 Iram M, Guo C, Guan Y, et al.Journal of Hazardous Materials, 2010, 181(1-3), 1039. 24 Chen L, Bai B.Industrial & Engineering Chemistry Research, 2013, 52(44), 15568. 25 Li C L, Yue Q Y, Li Y, et al.Environmental Science, 2010, 31(1), 223 (in Chinese). 李春玲, 岳钦艳, 李颖, 等.环境科学, 2010, 31(1), 223. 26 Li X R, Liang Y.Acta Scientiae Circumstantiae, 2020, 40(9), 3389 (in Chinese). 李星燃, 梁媛. 环境科学学报, 2020, 40(9), 3389. 27 Zhang H, Jiang J, Liu Y M, et al.Chinese Journal of Environmental Engineering, 2015, 9(12), 5865 (in Chinese). 张宏, 蒋菊, 刘燕梅, 等. 环境工程学报, 2015, 9(12), 5865. 28 Siswoyo E, Mihara Y, Tanaka S.Applied Clay Science, 2014, 97-98, 164. 29 Ji Z H, Wu X F, Feng C L, et al.China Environmental Science, 2016, 36(11), 3368 (in Chinese). 冀泽华 ,吴晓芙, 冯冲凌, 等.中国环境科学, 2016, 36(11), 3368. 30 Zhu C, Liu F, Xu C, et al.Journal of Hazardous Materials, 2015, 287, 234. 31 Liu D R. Adsorption study of Cr(Ⅵ) and Ni(Ⅱ) from landfill leachate by CS/HFO and CS/MnFe2O4 gel spheres. Master's Thesis, Chang'an University, China, 2020 (in Chinese). 刘丹荣. CS/HFO及CS/MnFe2O4凝胶球对垃圾渗滤液中Cr(Ⅵ)和Ni(Ⅱ)的吸附研究. 硕士学位论文, 长安大学, 2020. 32 Zhu C, Liu F, Zhang Y, et al.Chemical Engineering Journal, 2016, 306, 579. 33 Jiang C T. Adsorption of heavy metals from aqueous solution by iron (hydrogen) oxide-chitosan modified aluminum sludge.Master's Thesis, Chang'an University, China,2019 (in Chinese). 蒋翠婷. 铁(氢)氧化物-壳聚糖改性铝污泥吸附水中重金属的研究. 硕士学位论文, 长安大学, 2019. 34 Parr R G, Pearson R G.Journal of the American Chemical Society, 1983, 105(26), 7512.