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Titolo:
EVALUATION OF NATURAL PHILLIPSITE AND CHABAZITE AS CATION-EXCHANGERS FOR COPPER AND ZINC
Autore:
COLELLA C; DEGENNARO M; LANGELLA A; PANSINI M;
Indirizzi:
UNIV NAPLES FEDERICO II,DIPARTIMENTO INGN MAT & PROD,PIAZZALE TECCHIO80 I-80125 NAPLES ITALY UNIV SASSARI,FAC SCI,IST POLICATTEDRA SCI GEOL MINERAL I-07100 SASSARI ITALY UNIV SALERNO,FAC SCI,DIPARTIMENTO SCI FIS I-82020 PADULI BN ITALY
Titolo Testata:
Separation science and technology
fascicolo: 4, volume: 33, anno: 1998,
pagine: 467 - 481
SICI:
0149-6395(1998)33:4<467:EONPAC>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
ION-EXCHANGE; LEAD REMOVAL; SELECTIVITY; EQUILIBRIA; ZEOLITES; WATER;
Keywords:
CHABAZITE; PHILLIPSITE; ION EXCHANGE; COPPER; ZINC;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
32
Recensione:
Indirizzi per estratti:
Citazione:
C. Colella et al., "EVALUATION OF NATURAL PHILLIPSITE AND CHABAZITE AS CATION-EXCHANGERS FOR COPPER AND ZINC", Separation science and technology, 33(4), 1998, pp. 467-481

Abstract

Chabazite and phillipsite, two zeolites widespread in many volcaniclastic deposits in central-southern Italy, were evaluated as cation exchangers for the removal of copper and zinc from aqueous solution. Equilibrium and kinetics of copper and zinc exchange reactions for sodium were investigated in order to verify the selectivity and the uptake rate of both zeolites for these heavy metals. Thermodynamic quantities, such as equilibrium constant, K-a, and Delta G degrees, as well as rateconstant, K, were computed, and they showed that Na-chabazite displays a moderate selectivity and a favorable kinetics for copper, whereas in ail the other cases uses in wastewater treatment are not recommended.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/09/20 alle ore 09:01:54