Reusability of the Deep Eutectic Solvent - Novozym 435® Enzymes System in Transesterification from Degumming Palm Oil

Renita Manurung; Alwi Gery Agustan Siregar

doi:10.4028/www.scientific.net/AEF.35.9

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HomeAdvanced Engineering ForumAdvanced Engineering Forum Vol. 35Reusability of the Deep Eutectic Solvent - Novozym...

Reusability of the Deep Eutectic Solvent - Novozym 435^® Enzymes System in Transesterification from Degumming Palm Oil

Abstract:

In this study, deep eutectic solvent (DES) used as co solvent for enzymatic biodiesel production from degumming palm oil (DPO). DES is formed from the salt compound choline-chloride (ChCI) with glycerol at 1:2 molar ratio. Furthermore, the effectiveness of the DES was tested by enzymatic reactions using novozym 435^® for the production of palm biodiesel with raw materials DPO. The use of enzymes with the DES system can maintain the activity and stability of the novozyme enzyme measured by the yield produced until the 10th usage produces biodiesel yield > 99% with a concentration of DES 0.5% with a molar ratio of 0.5% water. Spectra of DES ChCI:glycerol and ChCI:glycerol:water characterized by FTIR, morphological structure novozym by characterized SEM and then biodiesel product analyzed by GC-MS. This shows that the ChCI:glycerol:water system in enzymatic biodiesel production has good potential to maintain enzyme activity and stability.

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Periodical:

Advanced Engineering Forum (Volume 35)

Pages:

9-17

DOI:

https://doi.org/10.4028/www.scientific.net/AEF.35.9

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Online since:

February 2020

Authors:

Renita Manurung*, Alwi Gery Agustan Siregar

Keywords:

Biodiesel, Deep Eutectic Solvents, Degumming Palm Oil, Enzymatic Process

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