Comparison of selected adsorbents for adsorption and desorption of vitamin E from palm fatty acid distillate

B. S. Chu; B. S. Baharin; Y. B Che Man; S. Y. Quek

doi:10.1111/j.1745-4522.2005.00003.x

Comparison of selected adsorbents for adsorption and desorption of vitamin E from palm fatty acid distillate

B. S. Chu, B. S. Baharin^*, Y. B Che Man, S. Y. Quek

^*Corresponding author for this work

Research output: Contribution to journal › Article

4 Citations (Scopus)

Abstract

Performance of four selected adsorbents, namely silica gel (SG), aluminum oxide (AO), synthetic brominated polyaromatic SP 207(SP) and functionalized polyaromatic Dowex Optipore L-285 (DO), for adsorptiondesorption of vitamin E from palm fatty acid distillate (PFAD) was compared. Vitamin E from PFAD was preconcentrated and dissolved in hexane. Batch mode adsorption experiments were carried out by reacting the vitamin E solution with the adsorbents separately in an orbital shaker under controlled conditions. It appeared that increasing initial vitamin E concentration favored adsorption process as indicated by an increase in adsorption capacity and percentage of vitamin E uptake. Results showed that the adsorption process was exothermic for all adsorbents. Isopropanol was used to recover vitamin E from the adsorbents. It was found that increasing reaction temperature resulted in a higher vitamin E recovery. SG was the most suitable adsorbent for separation of vitamin E as it possessed the highest adsorption capacity and recovery among adsorbents under experimental conditions employed.

Original language	English
Pages (from-to)	23-33
Number of pages	11
Journal	Journal of Food Lipids
Volume	12
Issue number	1
DOIs	https://doi.org/10.1111/j.1745-4522.2005.00003.x
Publication status	Published - Mar 2005
Externally published	Yes

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Chu, B. S., Baharin, B. S., Man, Y. B. C., & Quek, S. Y. (2005). Comparison of selected adsorbents for adsorption and desorption of vitamin E from palm fatty acid distillate. Journal of Food Lipids, 12(1), 23-33. https://doi.org/10.1111/j.1745-4522.2005.00003.x

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title = "Comparison of selected adsorbents for adsorption and desorption of vitamin E from palm fatty acid distillate",

abstract = "Performance of four selected adsorbents, namely silica gel (SG), aluminum oxide (AO), synthetic brominated polyaromatic SP 207(SP) and functionalized polyaromatic Dowex Optipore L-285 (DO), for adsorptiondesorption of vitamin E from palm fatty acid distillate (PFAD) was compared. Vitamin E from PFAD was preconcentrated and dissolved in hexane. Batch mode adsorption experiments were carried out by reacting the vitamin E solution with the adsorbents separately in an orbital shaker under controlled conditions. It appeared that increasing initial vitamin E concentration favored adsorption process as indicated by an increase in adsorption capacity and percentage of vitamin E uptake. Results showed that the adsorption process was exothermic for all adsorbents. Isopropanol was used to recover vitamin E from the adsorbents. It was found that increasing reaction temperature resulted in a higher vitamin E recovery. SG was the most suitable adsorbent for separation of vitamin E as it possessed the highest adsorption capacity and recovery among adsorbents under experimental conditions employed.",

author = "Chu, {B. S.} and Baharin, {B. S.} and Man, {Y. B Che} and Quek, {S. Y.}",

year = "2005",

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doi = "10.1111/j.1745-4522.2005.00003.x",

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AU - Chu, B. S.

AU - Baharin, B. S.

AU - Man, Y. B Che

AU - Quek, S. Y.

PY - 2005/3

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N2 - Performance of four selected adsorbents, namely silica gel (SG), aluminum oxide (AO), synthetic brominated polyaromatic SP 207(SP) and functionalized polyaromatic Dowex Optipore L-285 (DO), for adsorptiondesorption of vitamin E from palm fatty acid distillate (PFAD) was compared. Vitamin E from PFAD was preconcentrated and dissolved in hexane. Batch mode adsorption experiments were carried out by reacting the vitamin E solution with the adsorbents separately in an orbital shaker under controlled conditions. It appeared that increasing initial vitamin E concentration favored adsorption process as indicated by an increase in adsorption capacity and percentage of vitamin E uptake. Results showed that the adsorption process was exothermic for all adsorbents. Isopropanol was used to recover vitamin E from the adsorbents. It was found that increasing reaction temperature resulted in a higher vitamin E recovery. SG was the most suitable adsorbent for separation of vitamin E as it possessed the highest adsorption capacity and recovery among adsorbents under experimental conditions employed.

AB - Performance of four selected adsorbents, namely silica gel (SG), aluminum oxide (AO), synthetic brominated polyaromatic SP 207(SP) and functionalized polyaromatic Dowex Optipore L-285 (DO), for adsorptiondesorption of vitamin E from palm fatty acid distillate (PFAD) was compared. Vitamin E from PFAD was preconcentrated and dissolved in hexane. Batch mode adsorption experiments were carried out by reacting the vitamin E solution with the adsorbents separately in an orbital shaker under controlled conditions. It appeared that increasing initial vitamin E concentration favored adsorption process as indicated by an increase in adsorption capacity and percentage of vitamin E uptake. Results showed that the adsorption process was exothermic for all adsorbents. Isopropanol was used to recover vitamin E from the adsorbents. It was found that increasing reaction temperature resulted in a higher vitamin E recovery. SG was the most suitable adsorbent for separation of vitamin E as it possessed the highest adsorption capacity and recovery among adsorbents under experimental conditions employed.

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