Encapsulation of Cyanex 302 with Alginate for Palladium Recovery
A new generation of extractant impregnated resin has been elaborated by encapsulation of extractants in biopolymer capsules. The extractant forms the core of the spherical particle, while the biopolymer entraps the extractant in a shell. The immobilization can reduce the loss of extractant. Cyanex 3...
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| Veröffentlicht in: | Macromolecular symposia. 2017-08, Vol.374 (1), p.n/a |
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| container_title | Macromolecular symposia. |
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| creator | García, Esperanza Saucedo, Imelda Navarro, Ricardo Dzul, Mercy del Pilar González, María Elorza, Enrique Guibal, Eric |
| description | A new generation of extractant impregnated resin has been elaborated by encapsulation of extractants in biopolymer capsules. The extractant forms the core of the spherical particle, while the biopolymer entraps the extractant in a shell. The immobilization can reduce the loss of extractant. Cyanex 302 (bis(2,4,4‐trimethylpentyl)monothiophosphinic acid) was efficiently immobilized into alginate capsules prepared by ionotropic gelation in CaCl2 solutions. The influence of a series of parameters on microcapsule preparation was investigated. Selected materials were tested for Pd(II) recovery from HCl solutions through the study of sorption isotherms and uptake kinetics. |
| doi_str_mv | 10.1002/masy.201600135 |
| format | Article |
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The extractant forms the core of the spherical particle, while the biopolymer entraps the extractant in a shell. The immobilization can reduce the loss of extractant. Cyanex 302 (bis(2,4,4‐trimethylpentyl)monothiophosphinic acid) was efficiently immobilized into alginate capsules prepared by ionotropic gelation in CaCl2 solutions. The influence of a series of parameters on microcapsule preparation was investigated. Selected materials were tested for Pd(II) recovery from HCl solutions through the study of sorption isotherms and uptake kinetics.</description><identifier>ISSN: 1022-1360</identifier><identifier>EISSN: 1521-3900</identifier><identifier>DOI: 10.1002/masy.201600135</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Alginic acid ; biopolymer ; Biopolymers ; Cyanex 302 ; Encapsulation ; Engineering Sciences ; Extractants ; Gelation ; Immobilization ; Kinetics ; Materials selection ; Microencapsulation ; Palladium ; palladium recovery ; Recovery ; Sorption</subject><ispartof>Macromolecular symposia., 2017-08, Vol.374 (1), p.n/a</ispartof><rights>2017 WILEY-VCH Verlag GmbH & Co. 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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Alginic acid biopolymer Biopolymers Cyanex 302 Encapsulation Engineering Sciences Extractants Gelation Immobilization Kinetics Materials selection Microencapsulation Palladium palladium recovery Recovery Sorption |
| title | Encapsulation of Cyanex 302 with Alginate for Palladium Recovery |
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