Preparation and characterization Al3+-bentonite Turen Malang for esterification fatty acid (palmitic acid, oleic acid and linoleic acid)

Abdulloh Abdulloh, Nanik Siti Aminah, Triyono, Mudasir, Wega Trisunaryanti

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

Catalyst preparation and characterization of Al3+-bentonite for esterification of palmitic acid, oleic acid and linoleic acid has been done. Al3+-bentonite catalyst was prepared from natural bentonite of Turen Malang through cation exchange reaction using AlCl3 solution. The catalysts obtained were characterized by XRD, XRF, pyridine-FTIR and surface area analyser using the BET method. Catalyst activity test of Al3+-bentonite for esterification reaction was done at 65°C using molar ratio of metanol-fatty acid of 30:1 and 0.25?g of Al3+-bentonite catalyst for the period of , 1, 2, 3, 4 and 5 hours. Based on the characterization results, the Al3+-bentonite Turen Malang catalyst has a d-spacing of 15.63 ?, acid sites of Brönsted and Lewis respectively of 230.79?μmol/g and 99.39?μmol/g, surface area of 507.3?m2/g and the average of radius pore of 20.09 Å. GC-MS analysis results of the oil phase after esterification reaction showed the formation of biodiesel (FAME: Fatty acid methyl ester), namely methyl palmitate, methyl oleate and methyl linoleate. The number of conversions resulted in esterification reaction using Al3+-bentonite Turen Malang catalyst was 74.61%, 37.75%, and 20, 93% for the esterification of palmitic acid, oleic acid and linoleic acid respectively.

Original languageEnglish
Title of host publication5th International Conference and Workshop on Basic and Applied Sciences, ICOWOBAS 2015
EditorsMoh. Yasin, Sulaiman W. Harun
PublisherAmerican Institute of Physics Inc.
ISBN (Electronic)9780735413641
DOIs
Publication statusPublished - 15 Mar 2016
Event5th International Conference and Workshop on Basic and Applied Sciences, ICOWOBAS 2015 - Surabaya, Indonesia
Duration: 16 Oct 201517 Oct 2015

Publication series

NameAIP Conference Proceedings
Volume1718
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference5th International Conference and Workshop on Basic and Applied Sciences, ICOWOBAS 2015
Country/TerritoryIndonesia
CitySurabaya
Period16/10/1517/10/15

Keywords

  • bentonite
  • esterification
  • linoleic acid
  • oleic acid
  • palmitic acid

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