Selective Confinement of CdII in Silica Particles Functionalized with β-Keto-Enol-Bisfuran Receptor: Isotherms, Kinetic and Thermodynamic Studies

被引：10
作者：
Tighadouini, Said [1 ]
Radi, Smaail [1 ,2 ]
Elidrissi, Abderrahman [1 ]
Zaghrioui, Mustapha [3 ]
Garcia, Yann [4 ]
机构：
[1] Univ Mohamed I, Fac Sci, LCAE, Oujda 60000, Morocco
[2] Univ Mohamed I, COSTE, Oujda 60000, Morocco
[3] Univ Francois Rabelais Tours, Lab GREMAN, CNRS, UMR 7347,IUT BLOIS, 15 Rue Chocolaterie, F-41029 Blois, France
[4] Catholic Univ Louvain, Inst Condensed Matter & Nanosci, Pl Louis Pasteur 1, B-1348 Louvain La Neuve, Belgium
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2019年 / 2019卷 / 27期
关键词：
Cadmium; Organic-inorganic hybrid composites; Silica; Environmental chemistry; SOLID-PHASE EXTRACTION; HEAVY-METALS; MESOPOROUS SILICA; HYBRID MATERIAL; AQUEOUS-SOLUTIONS; PAMAM DENDRIMERS; EFFECTIVE REMOVAL; GRAPHENE OXIDE; FUEL ETHANOL; ADSORPTION;
D O I：
10.1002/ejic.201801349
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A new hybrid inorganic-organic material, modified with a beta-keto-enol-bisfuran receptor, has been synthesized and used for heavy metal adsorption. The surface of this material revealed a porous structure, and full incorporation of the metal receptor into the hybrid material was confirmed. Systematic adsorption experiments were undertaken by varying pH, adsorption time, initial concentration, and temperature. A highly selective adsorption was detected for Cd-II, which reached equilibrium within only 25 min. Regeneration of our hybrid material is excellent with a simple regeneration process, thus opening important perspectives in water cleaning technologies.
引用
收藏
页码：3180 / 3186
页数：7
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