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Measurement of Relative Electrostatic Potential Difference for Coalescence Modeling
Author(s) -
Leleu David,
Pfennig Andreas
Publication year - 2020
Publication title -
chemie ingenieur technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.365
H-Index - 36
eISSN - 1522-2640
pISSN - 0009-286X
DOI - 10.1002/cite.202000146
Subject(s) - coalescence (physics) , electrostatics , relative phase , settling , partition (number theory) , chemistry , dispersion (optics) , partition coefficient , electrostatic interaction , potential difference , chemical physics , mechanics , materials science , physics , phase (matter) , thermodynamics , chromatography , optics , mathematics , electrode , astrobiology , organic chemistry , combinatorics
Coalescence is strongly affected by trace components. Studies suggest the usage of the Derjaguin‐Landau‐Verwey‐Overbeek force in coalescence modeling. Thus, data regarding the electrostatic potential are needed. Determination of the partition coefficient of a charged dye dissolved in salt‐containing two‐phase systems allows to evaluate the electrostatic potential difference relative to a reference system by evaluation with the extended Albertsson model. The corresponding first settling tests show the strong effect of the relative electrostatic potential difference on the dispersion behavior.