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Received February 23, 2008
Accepted June 24, 2008
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Porosity distribution in highly compressible cake: Experimental and theoretical verification of the dense skin
Department of Environmental Engineering, Inha University, Incheon 402-751, Korea
bluepobe@hanmail.net
Korean Journal of Chemical Engineering, November 2008, 25(6), 1524-1531(8), 10.1007/s11814-008-0251-7
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Abstract
The rate of filtration and the water content of cake are influenced by the existence of a dense skin in a highly compressible cake. The phenomenon of the dense skin has been rarely studied, and its existence has not been verified experimentally. In this study, the porosity variation in a very compressible cake is measured by using a new experimental apparatus, and with this the existence of dense skin has been established experimentally. ‘Unified theory on solid-liquid separation’, a recently developed theory, is utilized for calculating the porosity variation in a very compressible cake.
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Tiller FM, Leu W, World Filtration Congress III, 270 (1982)
Rietema K, Chem. Eng. Science, 2, 88 (1953)
Shirato M, Aragaki M, Ichimura K, Ootsuji N, J. of Chem. Eng. of Japan, 4, 172 (1971)
Okamura S, Shirato M, Kagaku Kogaku, 19, 104 (1955)
Jr. Hutto FB, Chem. Eng. Progr., 53, 328 (1957)
Tiller FM, Cooper H, AIChE J., 8, 445 (1962)
Darcy HPG, Victor delmont, Paris (1856)
Yim SS, Song YM, Kwon YD, Korean J. Chem. Eng., 20(2), 334 (2003)
Yim SS, 7th World Filtration Congress, Budapest, Hungary, 127 (1996)
Tiller FM, Chemical Engineering Progress, 51, 282 (1955)
Shirato M, Murase T, Iritani E, Hayashi N, Filtration and Separation, Sept/Oct, 404 (1983)
Yim SS, Ben Aim R, 4th World Filtration Congress, June, Ostend Belgium (1986)
Yim SS, Song YM, Lee JY, HWAHAK KONGHAK, 41(4), 471 (2003)
