An empirical model of the efficiency of commercial polyelectrolyteson secondary settlers design

Bueno, Julio L.; Lorenzana, Julio; Garcia, Rufino C.

doi:10.1016/0032-5910(93)80072-i

Cited by 3 publications

(1 citation statement)

References 7 publications

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“…For example, these models replace the properties of the liquid with the overall propertiesviscosity [21,41,43,50,52,56,61] and density [14,21,52,56] -of the suspension considered as a microfluid . Many of these equations are analogous to those introduced to adjust the experimental data of sedimentation velocities, v so , such as those of Richardson and Zaki [48], Steinour [23,48], Michaels and Bolger [40], Vesilind [49,55], Dick and Young [18,47,49,58], Krone [58], Yoshioka [60], Garside and AlDibouni [26], Oliver [20], and those developed by the authors [12,13] .…”

Section: -mentioning

confidence: 99%

Advantages of estimating settling rates of fine particles with nomographs

1996

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The reliable calculation and estimation of the settling rates of particles from theoretical or empirical equations is highly sensitive to the accurate description of their morphology and other relevant bulk properties . The aim of this article is to contribute to the `systematization' and link-up of concepts which are frequently unclear in the literature, showing the advantages of estimating settling rates of fine particles with nomographs . The recourse to 'nomography' seems to be justified in order to point out, in display form, the significance of the parameters involved in the correlations most commonly available for the `description of settleability of single particles and suspensions' .

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Section: -mentioning

confidence: 99%

Advantages of estimating settling rates of fine particles with nomographs

1996

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Pilot-plant studies of non-steady-state continuous sedimentation: hydrodynamics and solids distribution profiles

et al. 1998

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Applying a novel generalized model of sedimentation to the design of settlers and thickeners: Integration and extension of the classical procedures

JL,

2024

Ann Environ Sci Toxicol

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A new generalized procedure previously introduced and justified by the authors, based on the simultaneous integration of the macroscopic and microscopic differential mass balances by introducing the concept of separation units as an extension of the transfer unit concept was applied here to sedimentation. This similarity leads to a broader analogy with basic transfer and transformation unit operations, at this step focused on the formulation and contrast of a generalized form of the so-called design or sizing equation. This model is comparatively applied under restricted flow Conditions-Vertical Flow Settlers (CSTS) - with the classical methods and extended to the design of horizontal flow settlers (PFS). That opens the door to the sizing of settlers and thickeners in the presence of deviations from these ideal flow models and with other operating configurations. Such a contribution to a desirable generalization and homologation is according to Chemical Engineering methodology specifically in the frequently empirical or casuistic treatment of unit operations with particulate solids.

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An empirical model of the efficiency of commercial polyelectrolyteson secondary settlers design

Cited by 3 publications

References 7 publications

Advantages of estimating settling rates of fine particles with nomographs

Advantages of estimating settling rates of fine particles with nomographs

Pilot-plant studies of non-steady-state continuous sedimentation: hydrodynamics and solids distribution profiles

Applying a novel generalized model of sedimentation to the design of settlers and thickeners: Integration and extension of the classical procedures

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