Transport hindrances with electrodialytic recovery of citric acid from solution of strong electrolytes

Anusha Chandra; Jogi Ganesh Dattatreya Tadimeti; Sujay Chattopadhyay

doi:10.1016/j.cjche.2017.05.010

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Transport hindrances with electrodialytic recovery of citric acid from solution of strong electrolytes

Separation Science and Engineering | Updated：2026-01-06

- Transport hindrances with electrodialytic recovery of citric acid from solution of strong electrolytes
- Chinese Journal of Chemical Engineering Vol. 26, Issue 2, Pages: 278-292(2018)
- Affiliations：
  
  2 Department of Mechanical Engineering, Swarnandhra College of Engineering and Technology, Seetarampuram,India,534280
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2017.05.010
  CLC：
- Published：2018
- Accepted：
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Anusha Chandra, Jogi Ganesh Dattatreya Tadimeti, Sujay Chattopadhyay. Transport hindrances with electrodialytic recovery of citric acid from solution of strong electrolytes[J]. Chin.J.Chem.Eng., 2018, 26(2): 278-292.
DOI：

Anusha Chandra, Jogi Ganesh Dattatreya Tadimeti, Sujay Chattopadhyay. Transport hindrances with electrodialytic recovery of citric acid from solution of strong electrolytes[J]. Chin.J.Chem.Eng., 2018, 26(2): 278-292. DOI： 10.1016/j.cjche.2017.05.010.

摘要

Abstract

Electrodialytic (ED) recovery of citric acid (CA) in the presence/absence of strong electrolytes (NaCl

CaCl

and FeCl

) was separately analyzed under different process conditions. Recovery effectiveness was quantitatively estimated from current efficiency values. Efficiency attained optimum value with both flow rate and potential applied

while a monotonic rise was noted with temperature which got lowered beyond 0.1 mol·L

-1

feed concentration. 40% drop in efficiency was recorded in the presence of strong electrolytes (NaCl

CaCl

and FeCl

) in feed relative to their presence in concentrate. Severe transport hindrance and efficiency loss were attributed to adsorption and allied physicochemical changes occurred with anion/cation exchange membranes (AEM/CEM) and these were confirmed through contact angle/Chronopotentiometry/AFM/EDX. Sluggish potential rise (Galvanostatic mode) in Chronopotentiometric analysis indicated diffusion limiting transport of organic acids influenced AEM resistance. XRD and EDX analysis indicated the presence of salt hydrates/ions (Ca

/Fe

) over CEM justifying the resistance buildup due

to adsorption of multivalent metal ion(s) and salts.

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