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Optimization of lactic acid pertraction using liquid emulsion membranes by response surface methodology

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Relation http://ir.cftri.com/12291/
http://dx.doi.org/10.1016/j.seppur.2013.03.026
 
Title Optimization of lactic acid pertraction using liquid emulsion membranes
by response surface methodology
 
Creator Chanukya, B. S.
Manish, Kumar
Rastogi, N. K.
 
Subject 07 Food Engineering
 
Description The present work deals with the optimization of the conditions for the pertraction of lactic acid from
aqueous solution using liquid emulsion membrane. A central composite rotatable design was employed
to study the effect of stripping solution (Na2CO3) concentration (1.0–5.0% w/v), ratio of strip to membrane
phase (Vs/Vm) (1.0–5.0), ratio of volume of feed to emulsion (Vf/Ve) (1.0–5.0) and contact time (2.0–
15.0 min) on the pertraction. The response surface models with high coefficients of determination values
(R2 = 0.95) were fitted to the experimental data, which indicated that the polynomial response models
fitted well for describing the % pertraction of lactic acid as well as % membrane phase recovery. Based
on the design, the optimal conditions for obtaining higher pertraction were stripping phase (Na2CO3) concentration
ranging from 1.58% to 3.46% w/v, ratio of strip to membrane phase and the ratio of volume of
feed to emulsion 2.0, contact time ranging from 12.11 to 14.71 min. The graphical optimization of superimposed
contour plots fulfilled the conditions to obtain % lactic acid recovery (Y1)P95% and % membrane
phase recovery (Y2)P80%. The study demonstrated that response surface methodology can be
utilized for deriving the optimum conditions for pertraction of lactic acid from aqueous solutions.
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://ir.cftri.com/12291/1/Separation%20and%20Purification%20Technology%20111%20%282013%29%201%E2%80%938.pdf
Chanukya, B. S. and Manish, Kumar and Rastogi, N. K. (2013) Optimization of lactic acid pertraction using liquid emulsion membranes by response surface methodology. Separation and Purification Technology, 111. pp. 1-8.