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The control of pressure in constant rate cake filtration

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conference contribution
posted on 06.01.2010, 14:41 authored by Steve Tarleton
The widespread reliance on heuristics for the design and specification of particle/fluid separation devices has prompted a new approach to pressure filtration incorporating the principles of mechatronics. A unique experimental apparatus is described and used to obtained filtration data for aqueous mineral suspensions forming either incompressible or moderately compressible filter cakes. Data for constant flow filtrations are presented where the air pressure within the filter is controlled through flow & pressure transducers and an electronically adjusted pressure regulator. Their combination allowed filtrations performed under different pressure/flow regimes to be compared. It is shown how scale-up data obtained from constant pressure filtrations can produce erroneous predictions of constant rate filtration behaviour, particularly as cake compressibility increases.

History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Chemical Engineering

Citation

TARLETON, E.S., 1998. The control of pressure in constant rate cake filtration. IN: Macias Machin, A. and Estevez, A. (eds.). International Symposium on Filtration and Separation, Universidad de Las Palmas de Gran Canaria, Las Palmas, February 19-20.

Publisher

[Las Palmas de Gran Canaria] Asociación Ibérica de Filtración y Separación

Version

AM (Accepted Manuscript)

Publication date

1998

Notes

This is a conference paper.

ISBN

9788489528291;8489528292

Language

en

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