[1] AO Ziqiang, BU Meihong, PENG Guiqun, et al. Control of copper pollution in pig waste and recycling of copper [J]. Meteorol Environ Res, 2018, 9(2): 77 − 80.
[2] TIAN Ting, CHEN Yaping. The decision-making model of the electrical appliancesenterprise reverse logistics with government monitoring [J]. Appl Mech Mater, 2013, 448(453): 4465 − 4470.
[3] ISKANDAR Liyana, ZAINUDIN A I M, TAN S G, et al. Tolerance and biosorption of copper (Cu) and lead (Pb) by filamentous fungi isolated from a freshwater ecosystem [J]. Acta Sci Circum, 2011, 23(5): 824 − 830.
[4] AZIMI A, AZARI A, REZAKAZEMI M, et al. Removal of heavy metals from industrial wastewaters: a review [J]. Chem Bio Eng Rev, 2017, 4(1): 37 − 59.
[5] BANERJEE A, SARKAR P, BANERJEE S, et al. Application of statistical design of experiments for optimization of As(Ⅴ) biosorption by immobilized bacterial biomass [J]. Ecol Eng A, 2016, 86: 13 − 23.
[6] EL-NAGGARN E A, HAMOUDA R, MOUSA I, et al. Biosorption optimization, characterization, immobilization and application of Gelidiumamansii biomass for complete Pb2+ removal from aqueous solutions [J]. Sci Rep, 2018, 8(1): 13456 − 13462.
[7] 陶虎春, 李硕, 张丽娟, 等. 1种新型磁性壳聚糖/海藻酸钠复合凝胶球的制备与性能研究[J]. 北京大学学报(自然科学版), 2018, 54(4): 899 − 906.

TAO Huchun, LI Shuo, ZHANG Lijuan, et al. Preparation and properties of a novel magnetic chitosan/alginate composite gel sphere [J]. Acta Sci Nat Univ Pekin, 2018, 54(4): 899 − 906.
[8] 陈宏, 刘旭, 李亚男, 等. 应用海藻酸钠脱除重金属研究进展[J]. 化学通报, 2017, 80(3): 241 − 245.

CHEN Hong, LIU Xu, LI Yanan, et al. Research progress in the removal of heavy metals by sodium alginate [J]. Chem Bull, 2017, 80(3): 241 − 245.
[9] 于长江, 颜杨婕, 凌玉, 等. 海藻酸钠复合吸附材料研究进展[J]. 海南师范大学学报(自然科学版), 2017, 30(2): 154 − 160.

YU Changjiang, YAN Yangjie, LING Yu, et al. Research progress of preparation of sodium alginate composite adsorption materials [J]. J Hainan Norm Univ Nat Sci, 2017, 30(2): 154 − 160.
[10]

TANG Bing, YUAN Liangjun, SHI Taihong, et al. Preparation of nano-sized magnetic particles from spent pickling liquors by ultrasonic-assisted chemical co-precipitation [J]. J Hazard Mater, 2009, 163(2/3): 1173 − 1178.
[11] 张连科, 王洋, 王维大, 等. 生物炭负载纳米羟基磷灰石复合材料的制备及对铅离子的吸附特性[J]. 化工进展, 2018, 37(9): 215 − 224.

ZHANG Lianke, WANG Yang, WANG Weida, et al. Preparation of biochar-supported nano-hydroxyapatite composites and their adsorption characteristics for lead ions [J]. Chem Ind Eng Prog, 2018, 37(9): 215 − 224.
[12] 唐洁, 康玉茹, 郑茂松, 等. 季铵盐有机化改性伊蒙混层黏土的悬浮性能[J]. 硅酸盐通报, 2014, 33(12): 3118 − 3123.

TANG Jie, KANG Yuru, ZHENG Maosong, et al. Suspension properties of quaternary ammonium salt organically modified Yimeng mixed layer clay [J]. Bull Chin Ceram Soc, 2014, 33(12): 3118 − 3123.
[13] 库建刚, 陈辉煌, 何逵, 等. 强磁性矿粒在磁选过程中的受力分析及动力学模拟[J]. 中南大学学报(自然科学版), 2015, 46(5): 1577 − 1582.

KU Jiangang, CHEN Huihuang, HE Kui, et al. Force analysis and dynamic simulation of ferromagnetic mineral particles in magnetic separation process [J]. J Cent South Univ Sci Technol, 2015, 46(5): 1577 − 1582.
[14] 崔龙哲, 吴桂萍, 张婉婷. 磁性壳聚糖的制备及吸附靛蓝胭脂红的性能评价[J]. 环境科学与技术, 2017, 40(4): 19 − 23.

CUI Longzhe, WU Guiping, ZHANG Wanting. Synthesis of mercapto functional Fe3O4-chitosan and its absorption of anionic dye [J]. Environ Sci Technol, 2017, 40(4): 19 − 23.
[15]

SAFARI J, ZARNEGAR Z. Sulphamic acid-functionalized magnetic Fe3O4 nanoparticles as recyclable; catalyst for synthesis of imidazoles under microwave irradiation [J]. J Chem Sci, 2013, 125(4): 835 − 841.
[16]

LIEBE C C, JOERGENSEN J L. Algorithms onboard the oersted microsatellite stellar compass [J]. Proc SPIE-Int Soc Opt Eng, 1996, 28(10): 239 − 251.
[17]

WU Di, ZHANG Zhe, LI Le, et al. Perpendicular magnetic anisotropy and magnetization dynamics in oxidized CoFeAl films [J]. Sci Rep, 2015, 5:12352. doi: 10.1038/srep12352.
[18] 卢闻君, 郭明, 杨世昌, 等. 新型磁性超分子基功能吸附材料的制备及性能研究[J]. 高校化学工程学报, 2019, 33(1): 213 − 224.

LU Wenjun, GUO Ming, YANG Shichang, et al. Preparation and properties of new magnetic supramolecular functional adsorption materials [J]. J Chem Eng Chin Univ, 2019, 33(1): 213 − 224.
[19]

JIANG Zhengyi, LIU Xianghua, HAN Jingtao. To measure the absorbance at 328 nm by ultraviolet-visible spectrophotometer-an alternative pathway to measure the activity of acetylcholinesterase [J]. Adv Mater Res, 2014, 887/888: 657 − 660.
[20] 孙琳琳, 周叶红, 王斐, 等. 羧甲基-β-环糊精功能化的四氧化三铁磁性纳米复合物对罗丹明B的吸附性能[J]. 应用化学, 2015, 32(1): 110 − 117.

SUN Linlin, ZHOU Yehong, WANG Fei, et al. Adsorption properties of carboxymethyl-β-cyclodextrin functionalized ferroferric oxide magnetic nanocomposites on rhodamine B [J]. Chin J Appl Chem, 2015, 32(1): 110 − 117.
[21] 陈帅, 刘峙嵘, 吴振宇. 活性污泥胞外聚合物对铀酰离子的吸附性能[J]. 核化学与放射化学, 2014, 36(1): 47 − 52.

CHEN Shuai, LIU Zhirong, WU Zhenyu. Adsorption of uranyl on extracellular polymeric substances from activated sludge [J]. J Nucl Radiochem, 2014, 36(1): 47 − 52.
[22]

LI Chaodao, LU Jianjiang, LI Shanman. Synthesis of magnetic microspheres with sodium alginate and activated carbon for removal of methylene blue [J]. Materials, 2017, 10(1): 84. doi: 10.3390/ma10010084.
[23]

CHEN Jianhua, NI Jiancong, LIU Qinglin, et al. Adsorption behavior of Cd(Ⅱ) ions on humic acid-immobilized sodium alginate and hydroxyl ethyl cellulose blending porous composite membrane adsorbent [J]. Desalination, 2012, 285(3): 54 − 61.
[24]

SI Huaizong, WANG Bing, SUN Z, et al. Preparation of hollow structure of dual template molecularly imprinted nanoparticles and its application in desulfurization of fuel oils [J]. Polym Mater Sci Eng, 2016, 10(6): 154 − 159.
[25]

CHOI Seungbok, KIM Yunhae. Fe3O4 and TiO2embedded sodium alginate beads of composite adsorbent for Pb(Ⅱ) removal [J]. Adv Mater Res, 2014, 900: 160 − 164.