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A new source for production of ceramic filters

2015; Elsevier BV; Volume: 145; Linguagem: Inglês

10.1016/j.matlet.2015.01.131

1873-4979

A. C. Carvalho, F. Raupp-Pereira, João Batista Rodrigues Neto, Antônio Pedro Novaes de Oliveira,

Innovations in Concrete and Construction Materials

Abstract A industrial solid waste from the process of precision casting by lost-wax was used and evaluated for the production of ceramic filters. PU sponges (9.8 ppi) impregnated with a stable suspension were successfully fired at 1550 °C/2 h so that filters well reproduced (9.5 ppi), and mechanically stronger (1.0 MPa) were obtained. The produced filters tested in industrial scale showed very good performances with good filtering efficiency (1.7 kg/s) for liquid cast iron.