By Sonia Mello Castanho, Wilson Acchar, Dachamir Hotza
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Organofilization process. Two processes organophilization a bench scale and another pilot scale, but with the same components in the same proportions were made. The process of organophilization was performed according to the procedure described below: dispersions were prepared with agitation speed of 1750rpm, adding surfactant Praepagen WB content of 15%, 30% and 45%, compared to the the dry clay, maintaining stirring for 20min [9,12]. Foster Swelling. The Foster swelling tests were carried out [9, 12].
Introduction Brazil is amongst the world largest producer of ceramic materials, mainly clayey pieces of conventional bricks, plates, tiles, structural blocks and sewage pipes . The existence of many alluvium clay deposits that are easy to be mined contributes to this world performance and justifies the several ceramic industrial poles distributed throughout the country. In particular, the ceramic pole located in the municipal area of Campos dos Goytacazes, north of Rio de Janeiro, Brazil, comprises more than 100 officially registered industries with an estimated year production of about one billion pieces of bricks, tiles and plates .
Como Fazer Experimentos, 4ª Edição, Editora bookman, São Paulo, SP, 2010. p. 322, 323.  Box & Wetz, 1973. S. , Planejamento e Otimização de Experimentos, 2a Edição, Editora UNICAMP, Campinas, SP, p. 152, 1996. Materials Science Forum Vols. 33 Characterization of Natural Slip Materials Geologically Found in the North of the State of Rio de Janeiro, Brazil Zélia Maria Peixoto Chrispim1,a, Maria da Gloria Alves1,b, Luciana Lezira Pereira de Almeida2,c, Jonas Alexandre1,d, Afonso Rangel Garcez de Azevedo1,e, Ronaldo de Souza Araujo,f and Sergio Neves Monteiro3,g 1 UENF - State University of the Northern Rio de Janeiro, LECIV – Civil Engineering Laboratory; Av.
Brazilian Ceramic Conference 57 by Sonia Mello Castanho, Wilson Acchar, Dachamir Hotza