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Titolo:
On the application of surface complexation models to ionic adsorption
Autore:
Tao, ZY; Chu, TW; Li, WJ;
Indirizzi:
Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China Lanzhou Univ Lanzhou Peoples R China 730000 zhou 730000, Peoples R China
Titolo Testata:
JOURNAL OF COLLOID AND INTERFACE SCIENCE
fascicolo: 1, volume: 232, anno: 2000,
pagine: 174 - 177
SICI:
0021-9797(200012)232:1<174:OTAOSC>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
AQUEOUS-SOLUTION; SOLUTION INTERFACE; SORPTION; MONTMORILLONITE; STRATEGY; COVERAGE; DENSITY; PH;
Keywords:
application; surface complexation model; ionic adsorption;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Tao, ZY Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Peoples R China Lanzhou Univ Lanzhou Peoples R China 730000 000, Peoples R China
Citazione:
Z.Y. Tao et al., "On the application of surface complexation models to ionic adsorption", J COLL I SC, 232(1), 2000, pp. 174-177

Abstract

Surface complexation models (SCMs) have been used extensively to describe the acid-base properties and adsorption behaviors of inorganic and organic cations and anions on many single-phase adsorbents. The success of SCMs results from the conformation of adsorption to mass-action and material-balance laws and the flexibility in adjustable parameters. However, the assumptions made in the derivation of the SCMs are really not justified and the SCMsare not so thoroughly grounded in fundamental chemistry. The SCMs are really the data-fitting model, rather than the chemical model. The premises of application of SCMs are the accurate identification of surface species and the low surface coverage. Though the application of the SCMs comes into vogue, the SCMs should be applied with caution. (C) 2000 Academic Press.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 09/07/20 alle ore 23:40:31