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Beneficiation of Brazilian diatomite for the filtration application industry
Center for Mineral Technology-CETEM, Cidade Universitaria, Rio de Janeiro.
Luleå tekniska universitet.
Center for Mineral Technology-CETEM, Cidade Universitaria, Rio de Janeiro.
2003 (English)In: Minerals & metallurgical processing, ISSN 0747-9182, Vol. 20, no 1, p. 42-46Article in journal (Refereed) Published
Abstract [en]

Laboratory experiments were performed on a Brazilian diatomite from Bahia State to produce an industrial product for use as a filter aid. Bench and pilot-plant tests were conducted. The tests consisted of diatomite desegregation, organic matter and clay removal, filtration, drying and calcination. Calcination temperature and sodium carbonate addition influenced diatomite particle size distribution. Optimum filtration rates for calcined products were obtained at 900°C and 47 minute residence time with 3% (w/w) of sodium carbonate addition. The resultant products met the specifications for filter aids.

Place, publisher, year, edition, pages
2003. Vol. 20, no 1, p. 42-46
National Category
Metallurgy and Metallic Materials
Research subject
Process Metallurgy
Identifiers
URN: urn:nbn:se:ltu:diva-5614Local ID: 3c2e5460-df3a-11de-bae5-000ea68e967bOAI: oai:DiVA.org:ltu-5614DiVA: diva2:978488
Note
Validerad; 2003; 20091202 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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Minerals & metallurgical processing
Metallurgy and Metallic Materials

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