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Wet centrifugal cla...
Wet centrifugal classification of calcite fines : Effect of feed size
- Article/chapterEnglish2001
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Elsevier BV,2001
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LIBRIS-ID:oai:DiVA.org:ltu-13970
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-13970URI
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https://doi.org/10.1163/156855201750537929DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Validerad; 2001; 20070111 (pafi)
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The wet classification of various fine calcite materials ( less than or equal 8, less than or equal 12 and less than or equal 45 μm) by a disk-stack nozzle centrifuge is presented and the results are discussed with respect to feed size. It has been found that the influences of disk-geometry, G-force and feed rate on the classification performance are not related to feed size. However, the selection of a split suitable for an efficient separation depends on the particle size distribution of the feed material. Feed size has an impact on the residence time of particle separation. The results showed that an optimum efficiency can be achieved when a calcite material with a particle size below 12 μm is treated. An excessive amount of fine or coarse calcite particles in the feed affects the efficiency of the classification in the centrifuge. It is also indicated that an effective classification of calcite fines requires a moderate G-force and high flow rates through a disk section bound by stud spacers in the centrifuge.
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Forssberg, EricLuleå tekniska universitet,Industriell miljö- och processteknik(Swepub:ltu)erfo
(author)
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Axelsson, H.
(author)
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Luleå tekniska universitetIndustriell miljö- och processteknik
(creator_code:org_t)
Related titles
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In:Advanced Powder Technology: Elsevier BV12:3, s. 393-4120921-88311568-5527
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