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	Provedor de dados BJM (1) Rev. Microbiol. (1) Autor Schneider,Ivo André H. (2) Denardin,Norimar D'Avila (1) Gaylarde,Christine (1) Haas,Sandra R. (1) Nascimento,Fábio R. (1) Pinto,Angela Maria (1) Rigo,Lisandra N. (1) Mais... Palavra-chave Corynebacterium xerosis (2) Flocculation (2) Fluorite (2) Adhesion (1) Polymers (1) Tipo do documento Info:eu-repo/semantics/article (2) Ano 2002 (1) 1999 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Flocculation of fine fluorite particles with Corynebacterium xerosis Rev. Microbiol. Haas,Sandra R.; Nascimento,Fábio R.; Schneider,Ivo André H.; Gaylarde,Christine. The treatment of fine particles dispersed in liquids is common in several industries and especially important in mineral processing. The efficiency of settling operations can be substantially increased by flocculation. The aim of this work was to study the flocculation of fine fluorite particles by the bacterium Corynebacterium xerosis. Flocculation tests, microelectrophoresis measurements and optical microscopy were used to evaluate flocculation. The results showed that C. xerosis cells adhere to the fluorite surfaces promoting the aggregation of the particles. High quality flocs can be obtained rapidly at pH 7.0 using a cell concentration of 40 mg/l, considerably lower than previously reported in the literature. The results are discussed with reference... Tipo: Info:eu-repo/semantics/article Palavras-chave: Adhesion; Corynebacterium xerosis; Flocculation; Fluorite. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37141999000300007 Flocculation of fine fluorite particles with Corynebacterium xerosis and commercial long chain polymers BJM Rigo,Lisandra N.; Pinto,Angela Maria; Denardin,Norimar D'Avila; Schneider,Ivo André H.. This work aimed to study, comparatively, the flocculation of fluorite particles with Corynebacterium xerosis cells and three commercial long chain polymers. Best flocculation results were obtained with cells of C. xerosis and with an anionic polyacrylamide. Both were effective in solids removal and water clarification, although flocculation with C. xerosis cells requires a higher dosage of reagent per mass unit of processed ore. Tipo: Info:eu-repo/semantics/article Palavras-chave: Corynebacterium xerosis; Flocculation; Fluorite; Polymers. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822002000400010 Registros recuperados: 2 Primeira ... 1 ... Última

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