Cake Filtration Equation Using tan<sup>n</sup><i>θ</i> Reduction Method
- 1 Department of Civil Engineering, University of Nigeria, Nsukka, Nigeria
- 2 Department of Civil Engineering, University of Nigeria, Nsukka, Nigeria
Abstract
This study was completed by an extensive mathematical analysis. New equation to sludge filtration processes has been proposed for use in routine laboratory. The equation has been suggested to replace Ademiluyi’s cake filtration equation in view of the limitations of the latter. The new equation can be used for sludges whose compressibility factor is more than one but Ademiluyi’s cake filtration equation can only be used for sludges whose compressibility coefficient is less than one. The new sludge filtration equation was derived using tan n θ reduction method. The generalized equation thus obtained resembles Ademiluyi’s equation in the mode of parameter combination except the presence of summation notation in the new equation.
- Metcalf and Eddy (2004) Wastewater Engineering: Treatment and Reuse. 4th Edition, McGraw-Hill, New York, 1558-1565, 1570-1578.
- Ekpobari, N. (2002) The Effect of Oil on Sludge Filterability. M.Sc. Thesis, Department of Civil Engineering, University of Nigeria, Nsukka.
- Armenante, P. (2002) Cake Filtration. NJIT.
- Ostara Nutrient Management Solution. Ostara Vancouver.
- Ademiluyi, J.O., Anazodo, U.G.N. and Egbuniwe, N. (1983) Filterability and Compressibility of Sludges, Conclusion. Effluent and Water Treatment Journal, 23, 25.
- Kini, A.D. and Nayak, S.L. (1980) Optimizing Vacuum Filtration of Sewage Sludge. Filtration and Separation, 17, 313-316.
- Carman, P.C. (1934) A Study of the Mechanism of Filtration Part II. Journal of the Society of Chemical Industry Transactions Communication, 53, 159T-165T.
- Half, A.H. (1952) An Investigation of the Rotary Vacuum Filter Cycle as Applied to Sewage Sludge. Sewage and Industrial Wastes, 24, 962-984.
- Ademiluyi, J.O. and Agunwamba, J.C. (1987) Optimization of the Filtration Process. A Thesis Submitted for the Partial Fulfillment of the Degree of M.Eng. (Civil Engineering), University of Nigeria, Nsukka.
- Anazodo, U.G.N. (1974) Dimensional Equation for Sludge Filtration. Effluent and Water Treatment Journal, 14, 517-523.
- Purchas, O.B. (1980) A Practical View of Filtration Theory. Filtration and Separation, 17, 147-151.
- Ademiluyi, J.O. (1984) Relative Effect of Conditioners on the Compressibility Coefficient of Sewage Sludges. ESSAN Conference, Sokoto, 23-27 July 1984.
- Ademiluyi, J.O. (1986) Development in the Constant Vacuum Cake Filtration Theory. Engineering Section of the Science Association of Nigeria Conference, Lagos, 6-9 April 1986.
- Ruth, B.F. and Montillon, G.H. (1933) Studies in Filtration-Critical Analysis of Filtration Theory. Industrial and Engineering Chemistry, 23. https://doi.org/10.1021/ie50277a018
- White, K.J. and Gale, R.S. (1975) Comments on Dimensional Equation. Effluent and Water Treatment Journal, 15, 103.
- Grace, H.P. (1953) Resistance and Compressibility of Filter Cake. Chemical Engineering Progress, 49, 303-318.
- Tiller, F. (1979) What the Filter Man Should Know about Theory. Filtration and Separation, 386-410.