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Titolo:
Preparation and thermal decomposition of synthetic bayerite
Autore:
Koga, N; Fukagawa, T; Tanaka, H;
Indirizzi:
Hiroshima Univ, Fac Educ, Chem Lab, Higashihiroshima 7398524, Japan Hiroshima Univ Higashihiroshima Japan 7398524 hihiroshima 7398524, Japan
Titolo Testata:
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
fascicolo: 3, volume: 64, anno: 2001,
pagine: 965 - 972
SICI:
1388-6150(2001)64:3<965:PATDOS>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Keywords:
formation process of bayerite; synthetic bayerite; thermal decomposition;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
7
Recensione:
Indirizzi per estratti:
Indirizzo: Koga, N Hiroshima Univ, Fac Educ, Chem Lab, 1-1-1 Kagamiyama, Higashihiroshima 7398524, Japan Hiroshima Univ 1-1-1 Kagamiyama Higashihiroshima Japan7398524 an
Citazione:
N. Koga et al., "Preparation and thermal decomposition of synthetic bayerite", J THERM ANA, 64(3), 2001, pp. 965-972

Abstract

The formation process of bayerite, from an aqueous solution of sodium aluminate through enforced decomposition of aluminate ions by introducing CO2 gas and aging with mechanical stirring, was investigated by pH measurements of the mother solution during preparation reaction and characterization of precipitates obtained at various stages of preparation. An amorphous precipitate, produced initially by the reaction of introduced CO2, transformed tobayerite via pseudoboehmite during aging. It was found that the crystalline particle size and morphology of the crystallized bayerite change depending systematically on the preparation conditions. The reaction pathway of thethermal decomposition of the synthesized bayerite was investigated by using thermoanalytical techniques.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 14/07/20 alle ore 09:53:37