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Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction

Dodecanol, known as lauryl alcohol, is commonly used in the production of alkylpolyglycosides (APG) by reacting dextrose with an excess of dodecanol in the presence of an acid catalyst. After the reaction is completed, the challenging part is the purification step, to separate unreacted dodecanol fr...

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Main Authors: Zulkifly, Jemaat, Mahadhir, Muhammad, Hairul Nizam, Abdul Rani
Format: Article
Language:English
English
Published: Elsevier Ltd 2023
Subjects:
TP Chemical technology
Online Access:http://umpir.ump.edu.my/id/eprint/40808/1/Assessing%20the%20recovery%20of%20dodecanol%20from%20alkyl%20polyglycosides_ABST.pdf
http://umpir.ump.edu.my/id/eprint/40808/2/Assessing%20the%20recovery%20of%20dodecanol%20from%20alkyl%20polyglycosides.pdf
http://umpir.ump.edu.my/id/eprint/40808/
https://doi.org/10.1016/j.matpr.2023.09.145
https://doi.org/10.1016/j.matpr.2023.09.145
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spelling my.ump.umpir.408082024-04-01T03:05:34Z http://umpir.ump.edu.my/id/eprint/40808/ Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction Zulkifly, Jemaat Mahadhir, Muhammad Hairul Nizam, Abdul Rani TP Chemical technology Dodecanol, known as lauryl alcohol, is commonly used in the production of alkylpolyglycosides (APG) by reacting dextrose with an excess of dodecanol in the presence of an acid catalyst. After the reaction is completed, the challenging part is the purification step, to separate unreacted dodecanol from APG to ensure the final product meets an industrial specification requiring less than 5% of the dodecanol residue. Current separation methods i.e., evaporation and distillation, require high energy and could deteriorate the product quality if it is not operated carefully. In this research, the extraction process was evaluated to separate the unreacted dodecanol without compromising the quality of the final product. The study investigates the effect of the solvent matrix, temperature and stirring speed for the extraction of dodecanol using a mixture of water with ethanol, propanol or toluene as a solvent matrix. The composition ratio of sample: solvent: water was fixed at 10:10:10 (in mL). The extraction temperature was manipulated between 60 °C and 80 °C and stirring speed was at 5 and 7 rpm. In addition, the extraction was also subjected to the ultrasonic frequency set at 9 Hz for 30 min and using toluene as a matrix solvent. Results show that higher extraction yield was obtained at low temperatures and stirring speed. By using a solvent matrix-toluene leads to the highest extraction yield of 15.02 w/w%. Applying ultrasonic during the extraction process increased the extraction yield to 32 w/w%, indicating that the ultrasonic has intensified the extraction process. In conclusion, the excess of dodecanol in the APG sample could be separated via an extraction process. This potential method allows an alternative separation technique at a low investment cost, energy saving and eventually meeting the APG’s product specifications requirement. Elsevier Ltd 2023-09 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/40808/1/Assessing%20the%20recovery%20of%20dodecanol%20from%20alkyl%20polyglycosides_ABST.pdf pdf en http://umpir.ump.edu.my/id/eprint/40808/2/Assessing%20the%20recovery%20of%20dodecanol%20from%20alkyl%20polyglycosides.pdf Zulkifly, Jemaat and Mahadhir, Muhammad and Hairul Nizam, Abdul Rani (2023) Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction. Materials Today: Proceedings. pp. 1-6. ISSN 2214-7853. (In Press / Online First) (In Press / Online First) https://doi.org/10.1016/j.matpr.2023.09.145 https://doi.org/10.1016/j.matpr.2023.09.145
institution Universiti Malaysia Pahang Al-Sultan Abdullah
building UMPSA Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang Al-Sultan Abdullah
content_source UMPSA Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
English
topic TP Chemical technology
spellingShingle TP Chemical technology
Zulkifly, Jemaat
Mahadhir, Muhammad
Hairul Nizam, Abdul Rani
Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction
description Dodecanol, known as lauryl alcohol, is commonly used in the production of alkylpolyglycosides (APG) by reacting dextrose with an excess of dodecanol in the presence of an acid catalyst. After the reaction is completed, the challenging part is the purification step, to separate unreacted dodecanol from APG to ensure the final product meets an industrial specification requiring less than 5% of the dodecanol residue. Current separation methods i.e., evaporation and distillation, require high energy and could deteriorate the product quality if it is not operated carefully. In this research, the extraction process was evaluated to separate the unreacted dodecanol without compromising the quality of the final product. The study investigates the effect of the solvent matrix, temperature and stirring speed for the extraction of dodecanol using a mixture of water with ethanol, propanol or toluene as a solvent matrix. The composition ratio of sample: solvent: water was fixed at 10:10:10 (in mL). The extraction temperature was manipulated between 60 °C and 80 °C and stirring speed was at 5 and 7 rpm. In addition, the extraction was also subjected to the ultrasonic frequency set at 9 Hz for 30 min and using toluene as a matrix solvent. Results show that higher extraction yield was obtained at low temperatures and stirring speed. By using a solvent matrix-toluene leads to the highest extraction yield of 15.02 w/w%. Applying ultrasonic during the extraction process increased the extraction yield to 32 w/w%, indicating that the ultrasonic has intensified the extraction process. In conclusion, the excess of dodecanol in the APG sample could be separated via an extraction process. This potential method allows an alternative separation technique at a low investment cost, energy saving and eventually meeting the APG’s product specifications requirement.
format Article
author Zulkifly, Jemaat
Mahadhir, Muhammad
Hairul Nizam, Abdul Rani
author_facet Zulkifly, Jemaat
Mahadhir, Muhammad
Hairul Nizam, Abdul Rani
author_sort Zulkifly, Jemaat
title Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction
title_short Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction
title_full Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction
title_fullStr Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction
title_full_unstemmed Assessing the recovery of dodecanol from alkyl polyglycosides (APG) using solvent extraction
title_sort assessing the recovery of dodecanol from alkyl polyglycosides (apg) using solvent extraction
publisher Elsevier Ltd
publishDate 2023
url http://umpir.ump.edu.my/id/eprint/40808/1/Assessing%20the%20recovery%20of%20dodecanol%20from%20alkyl%20polyglycosides_ABST.pdf
http://umpir.ump.edu.my/id/eprint/40808/2/Assessing%20the%20recovery%20of%20dodecanol%20from%20alkyl%20polyglycosides.pdf
http://umpir.ump.edu.my/id/eprint/40808/
https://doi.org/10.1016/j.matpr.2023.09.145
https://doi.org/10.1016/j.matpr.2023.09.145
_version_ 1822924252678979584
score 13.23648

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