scholarly journals RECOVERY OF PROPIONIC ACID BY REACTIVE EXTRACTION: EFFECT OF TEMPERATURE AND WATER CO-EXTRACTION.

2008 ◽  
Vol 4 (6) ◽  
pp. 101-109
Author(s):  
Amit Keshav ◽  
Kailas Wasewar ◽  
Shri Chand
Keyword(s):  
Propionic Acid ◽  
Reactive Extraction ◽  
Effect Of Temperature

Equilibrium study on reactive extraction of propionic acid with N1923 in different diluents

2009 ◽  
Vol 278 (1-2) ◽  
pp. 103-108 ◽  
Author(s):  
Kang Wang ◽  
Zhidong Chang ◽  
Yinchen Ma ◽  
Chao Lei ◽  
Shengchao Jin ◽  
...  
Keyword(s):  
Propionic Acid ◽  
Reactive Extraction ◽  
Equilibrium Study

Equilibrium and Kinetics of Reactive Extraction of Propionic Acid Using Aliquat 336 and Tri-n-Butyl Phosphate in n-Hexanol

2009 ◽  
Vol 7 (1) ◽  
Author(s):  
Dr. Kailas L. Wasewar ◽  
Amit Keshav ◽  
Shri Chand
Keyword(s):  
Propionic Acid ◽  
Acid Concentration ◽  
Fermentation Broth ◽  
Reactive Extraction ◽  
Acid Extraction ◽  
Aliquat 336 ◽  
Pseudo First Order Reaction ◽  
First Order ◽  
Pharmaceutical Industries ◽  
Kinetics Of

Recovery of propionic acid from different sources, like aqueous streams or from fermentation broth, is important in view of its wide usage in food, chemical and pharmaceutical industries. Reactive extraction is an emerging separation technique having numerous advantages like high selectivity and recovery. Effect of acid concentration, extractant concentration, pH, temperature and kinetics are the important steps in the reactive extraction. Equilibrium of propionic acid extraction using tri-n-butyl phosphate (TBP) and Aliquat 336 in n-hexanol respectively was carried out to find the better extractant out of the two for extraction of propionic acid. Aliquat 336 was found to be better than TBP with Ks = 2.2119 m3/kmol, thus indicating good complexation between it and the acid. The kinetics of extraction of the acid using Aliquat 336 in a stirred cell was investigated. The reaction was found to be first order in acid concentration and zero order in Aliquat 336 concentration. The reaction was found to be fast pseudo first order reaction occurring in the diffusion film and was found to be independent of hydrodynamics conditions. Rate constant was evaluated to be 163.398 1/s.

Recovery of propionic acid from an aqueous stream by reactive extraction: effect of diluents

Desalination ◽  
2009 ◽  
Vol 244 (1-3) ◽  
pp. 12-23 ◽  
Author(s):  
Amit Keshav ◽  
Kailas L. Wasewar ◽  
Shri Chand
Keyword(s):  
Propionic Acid ◽  
Reactive Extraction

Direct reactive extraction of propionic acid from Propionibacterium acidipropionici simulated broths

2012 ◽  
Vol 29 ◽  
pp. S224
Author(s):  
Alexandra Cârlescu ◽  
Mădălina Poştaru ◽  
Anca-Irina Galaction ◽  
Alexandra Cristina Blaga ◽  
Dan Caşcaval
Keyword(s):  
Propionic Acid ◽  
Reactive Extraction ◽  
Propionibacterium Acidipropionici
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