Magnetic polyresorcinol@CoFe2O4@MnS nanoparticles for adsorption of Pb(II), Ag(I), Cr(VI) and bacteria from water solution

被引:11
|
作者
Kaveh, Reyhaneh [1 ]
Alijani, Hassan [2 ]
Beyki, Mostafa Hossein [3 ]
机构
[1] Sharif Univ Technol, Dept Chem, Tehran, Iran
[2] Shahid Chamran Univ Ahvaz, Dept Chem, Fac Sci, Ahvaz, Iran
[3] Univ Tehran, Univ Coll Sci, Sch Chem, Tehran, Iran
关键词
CoFe2O4; MnS; Polyresorcinol; Heavy metal; Bacteria; LAYERED DOUBLE HYDROXIDE; IRON-OXIDE NANOPARTICLES; SOLID-PHASE EXTRACTION; HEAVY-METAL IONS; MULTIVARIATE OPTIMIZATION; COMPOSITE APPLICATION; HEXAVALENT CHROMIUM; BIOGENIC SYNTHESIS; EFFICIENT REMOVAL; CRYSTAL VIOLET;
D O I
10.1007/s00289-019-02835-7
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
This study devoted to developing an efficient adsorbent with the excellent adsorption performance of heavy metals and bacteria capturing. Polyresorcinol@CoFe2O4 was synthesized by one-step hydrothermal reaction followed with doping MnS nanoparticles. The composite was characterized with SEM, TEM, BET, EDX, XRD, zeta potential measurement and Raman spectroscopy. Optimization of effective parameters on heavy metal adsorption, i.e., pH, contact time and adsorbent dosage, was performed with response surface methodology using Box-Behnken design. The sorbent showed good performance for Pb(II), Ag(I) and Cr(VI) removal with convenient magnetic separation operation with an adsorption capacity of 201.2, 118.8 and 46.01 mg g(-1), respectively. Results of bacteria capturing showed that using 20 mg of the nanocomposite, more than 98% of bacteria (initial concentration of 1.5 x 10(8) CFU g(-1)) can be removed from solution within 10 min.
引用
收藏
页码:1893 / 1911
页数:19
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