Journal ArticleDOI
Solid/liquid separation of flocculated suspensions
Kerry A. Landman,Lee R. White +1 more
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In this paper, a generalized approach to understand and prediction of solid-liquid separation methods based on the measurement of fundamental material properties is reviewed and applied to a variety of thickening and filtration processes.About:
This article is published in Advances in Colloid and Interface Science.The article was published on 1994-08-29. It has received 169 citations till now.read more
Citations
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Wall effects during settling in cylinders
TL;DR: In this paper, a rod was inserted in a cylinder against free settling without a rod for the cases of polymer flocculated and salt coagulated suspensions, and the results suggest that cylinder walls may have a negative effect on the extent to which a suspension dewaters.
Dissertation
Effect of flocculation conditions on the dewaterability of hematite and red mud suspensions
Journal ArticleDOI
Scaling filtration time initial dependencies of wastewater sludges.
TL;DR: This new scaling method is applied to the filtration results of a range of different wastewater sludges, additives and treatments to illustrate its application for plant comparisons, polyelectrolyte comparisons, dose optimisation of polyelectralyte and ferric chloride and combinations thereof, and the effects of two physicochemical treatments.
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Impact of a novel bitumen extraction process on mined oil sands tailings behavior
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Measurement of electrokinetics in cake filtration
TL;DR: In this article, the role of free surface charge in cake filtration with main emphasis on a new method to study electrokinetic effects by streaming current measurement is addressed, based on the assumption that electrolyte-and cake resistance are purely ohmic, which allow a relationship between streaming current and measured current to be established.
References
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Journal ArticleDOI
Sedimentation in a dilute dispersion of spheres
TL;DR: In this article, the authors considered a large number of identical small rigid spheres with random positions which are falling through Newtonian fluid under gravity and determined the mean value of the velocity of a sphere (U).
Journal ArticleDOI
The consolidation of concentrated suspensions. Part 1.—The theory of sedimentation
Richard Buscall,Lee R. White +1 more
TL;DR: In this paper, the concentration or consolidation of suspensions of fine particles under the influence of a gravitational field has been analyzed and a constitutive equation is suggested for irreversibly flocculated suspensions undergoing consolidation which embodies the concept of a concentration-dependent yield stress Py(ϕ).
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The rheology of strongly-flocculated suspensions
TL;DR: In this paper, the authors investigated the rheology of strongly-flocculated dispersions of colloidal particles in a continuous network and showed that these networks possess a true yield stress in both shear and uniaxial compression (as realised in a centrifuge).
Journal ArticleDOI
The resolution of shocks and the effects of compressible sediments in transient settling
TL;DR: In this article, a quantitative theory covering the full range of processes from transient settling of large, stable particles to the slow consolidation of flocculated suspensions of submicron particles is proposed.
Journal ArticleDOI
The continuous‐flow gravity thickener: Steady state behavior
TL;DR: In this paper, the equations governing consolidation in a continuous-flow gravity thickener are developed based on the assumption that a flocculated suspension possesses a compressive yield stress Py(ϕ) that is a function of local volume fraction only.
Related Papers (5)
The consolidation of concentrated suspensions. Part 1.—The theory of sedimentation
Richard Buscall,Lee R. White +1 more