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TitleFouling by aqueous suspensions of kaolin and magnetite
Author(s)Oliveira, Rosário
Melo, L. F.
Pinheiro, J. D. R. S.
Issue date1988
Abstract(s)Experimental studies on particulate fouling were carried out in annular cross sections using aqueous kaolin and kaolin- magnetite suspensions . Tests with kaolin-water suspensions showed that the pH and the ions in solution have a significant effect on the 8.DX)UDt of deposit . Increasing the pH above I , the 8.DX)unt of deposit tends to decrease . However the extent to which the thickness decreases is very much dependent on the chemical substances used to control the pH . The presence of magnetite in kaolin suspensions at pH= 1 .5 reduced the amount of deposit , although increasing its mechanical strength. This seems to be due to the magnitude of the adhesion forces between the particles, which is greater in the presence of iron oxide.
TypeConference paper
AccessOpen access
Appears in Collections:CEB - Artigos em Livros de Atas / Papers in Proceedings

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