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Industrial & engineering chemistry research, 2006-09, Vol.45 (19), p.6555-6562
2006

Details

Autor(en) / Beteiligte
Titel
Backmixing in Karr Reciprocating-Plate Extraction Columns
Ist Teil von
  • Industrial & engineering chemistry research, 2006-09, Vol.45 (19), p.6555-6562
Ort / Verlag
Washington, DC: American Chemical Society
Erscheinungsjahr
2006
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
  • A study of backmixing in the continuous phase has been presented for a 50 mm diameter Karr reciprocating-plate extraction column using the two-phase system kerosene/tributyl phosphate (continuous)−phenol−water (dispersed). The column was operated in the emulsion region with nylon plates of 45% open area. Backmixing was determined using the unsteady-state tracer injection technique in which tracer concentrations at two distinct locations in the column were measured. Operating parameters, including frequency and amplitude of agitation and solvent and aqueous-phase flow rates, have been studied over a range of values to investigate their influence on the extent of backmixing in the continuous phase. A model based on the “two-zone approach” model used for predicting backmixing performance in a pulsed perforated-plate column (Prvcic, L. M.; Pratt, H. R. C.; Stevens, G. W. AIChE J. 1989, 35, 1845−1855) has been refitted for the current data to predict the effects of continuous-phase backmixing in a Karr reciprocating-plate column. Results indicate that the backmixing coefficient can be predicted within 13% using this model.
Sprache
Englisch
Identifikatoren
ISSN: 0888-5885
eISSN: 1520-5045
DOI: 10.1021/ie060390j
Titel-ID: cdi_crossref_primary_10_1021_ie060390j

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