http://www.cnr.it/ontology/cnr/individuo/prodotto/ID83205
Use of Triboelectric Techniques for Separating Feldspar from Quartz (Contributo in atti di convegno)
- Type
- Label
- Use of Triboelectric Techniques for Separating Feldspar from Quartz (Contributo in atti di convegno) (literal)
- Anno
- 2010-01-01T00:00:00+01:00 (literal)
- Alternative label
Peretti R.; Zucca A.; Serci A. (2010)
Use of Triboelectric Techniques for Separating Feldspar from Quartz
in XIIth International Mineral Processing Symposium, Cappadocia-Nevsehir (Turkey), 6-8 ottobre 2010
(literal)
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- Peretti R.; Zucca A.; Serci A. (literal)
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- Pubblicata sul volume degli atti del Symposium, pagg.231-237, ISBN 978-975-491-295-1 (literal)
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- Dipartimento di Geoingegneria e Tecnologie Ambientali dell'Università di Cagliari.
UOS di Cagliari dell'IGAG CNR (literal)
- Titolo
- Use of Triboelectric Techniques for Separating Feldspar from Quartz (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
- 978-975-491-295-1 (literal)
- Abstract
- The paper shows the results of an investigation carried out to enhance the value of two commercial products currently destined for ceramic industry and to beneficiate the nonmagnetic fraction of a granite quarry waste, applying electric separation techniques based on triboelectric charging and the use of a free-fall chamber. The test conducted on the kfeldspar/quartz commercial product, with 5,7 % K2O content, shows that is possible to obtain a 9,7 % feldspar concentrate and a quartz product with less than 1% K2O content, preheating the feed, without the use of additives. As concern granite quarry waste, the results obtained without the use of additives and pre-treating the feed material with HF and NaOH solutions are compared. It has been found that the pre-treatment with the above mentioned reagents enables to obtain marketable feldspar and quartz products. (literal)
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