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Titolo:
EVALUATION OF PHILLIPSITE AS CATION-EXCHANGER IN LEAD REMOVAL FROM WATER
Autore:
PANSINI M; COLELLA C; CAPUTO D; DEGENNARO M; LANGELLA A;
Indirizzi:
UNIV NAPLES FEDERICO II,DIPARTIMENTO INGN MAT & PROD,PIAZZALE TECCHIO80 I-80125 NAPLES ITALY UNIV NAPLES FEDERICO II,DIPARTIMENTO INGN MAT & PROD I-80125 NAPLES ITALY UNIV SASSARI,IST POLICATTEDRA SCI GEOL MINERALOG I-07100 SASSARI ITALY UNIV NAPLES FEDERICO II,DIPATIMENTO SCI TERRA I-80134 NAPLES ITALY
Titolo Testata:
Microporous materials
fascicolo: 6, volume: 5, anno: 1996,
pagine: 357 - 364
SICI:
0927-6513(1996)5:6<357:EOPACI>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
EQUILIBRIA; ZEOLITES;
Keywords:
PHILLIPSITE; ZEOLITIZED TUFF; ION EXCHANGE; LEAD; WATER PURIFICATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
M. Pansini et al., "EVALUATION OF PHILLIPSITE AS CATION-EXCHANGER IN LEAD REMOVAL FROM WATER", Microporous materials, 5(6), 1996, pp. 357-364

Abstract

The ability of phillipsite to remove lead from water was evaluated bydetermining lead exchange isotherms with sodium- or potassium-exchanged phillipsite and by studying the kinetics of sodium exchange for lead and, lastly, by testing lead uptake in a column, in which fixed bedsof sodium-enriched phillipsite tuff grains were percolated by lead-containing solutions. The collected data evidenced a remarkable selectivity of sodium phillipsite for lead in equilibrium experiments, fast kinetics, and massive lead removal from water in column runs, even in the presence of substantial amounts of sodium as interfering cation. Thefavourable lead elution during regeneration of exhausted phillipsite together with the above mentioned results in the exchange experiments allow to forecast a profitable utilization of phillipsite in lead removal from waste water.

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Documento generato il 22/09/20 alle ore 10:19:16