Purification of high free fatty acid crude palm oil using molecular distillation

Abd Al Wali Japir, Jumat Salimon, Darfizzi Derawi, Murad Bahadi, Muhammad Rahimi Usop

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The separation of free fatty acid (FFA) from high free fatty acid crude palm oil (HFFACPO) was done by using molecular distillation (MD). The separation parameters was at their boiling points; a feed amount of 2.3 mL/min; an operating pressure of 10 Torr; a condenser temperature of 60°C; and a rotor speed of 300 rpm. The physico-chemical characteristics of HFFACPO and purified crude palm oil (PCPO) were determined. The results showed that the percentage of free fatty acid decreased from 8.7 ± 0.3 to 0.9 ± 0.1 %; iodine value from 53.1 ± 0.4 to 52.7 ± 0.5 g I2/100 g; hydroxyl value from 32.5 ± 0.6 to 13.9 ± 1.1 mg KOH/g; unsaponifiable value from 0.31 ± 0.01 and 0.20 ± 0.15 %; moisture content from 0.31 ± 0.01 to 0.24 ± 0.01 % for HFFACPO and PCPO, respectively. Gas chromatography (GC) results showed that the major fatty acids in crude palm oil (CPO) were palmitic acid (44.4 %-45 %) followed by oleic acid (39.6 %-39.8 %). High performance liquid chromatography (HPLC) results showed that the major triacylglycerol (TAG) were POP (30.8-32.4 %) followed by POO (24.9-25.1 %). In general, PCPO showed admirably physico-chemical properties and the quality of purified oil was completely improved.

Original languageEnglish
Pages (from-to)2549-2554
Number of pages6
JournalAsian Journal of Chemistry
Volume28
Issue number11
DOIs
Publication statusPublished - 2016

Fingerprint

Nonesterified Fatty Acids
Distillation
Purification
Palmitic Acid
Boiling point
High performance liquid chromatography
Oleic Acid
palm oil
Iodine
Gas chromatography
Hydroxyl Radical
Chemical properties
Oils
Triglycerides
Moisture
Fatty Acids
Rotors

Keywords

  • High free fatty acid crude palm oil
  • Hydroxyl value
  • Molecular distillation

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Purification of high free fatty acid crude palm oil using molecular distillation. / Japir, Abd Al Wali; Salimon, Jumat; Derawi, Darfizzi; Bahadi, Murad; Usop, Muhammad Rahimi.

In: Asian Journal of Chemistry, Vol. 28, No. 11, 2016, p. 2549-2554.

Research output: Contribution to journalArticle

Japir, Abd Al Wali ; Salimon, Jumat ; Derawi, Darfizzi ; Bahadi, Murad ; Usop, Muhammad Rahimi. / Purification of high free fatty acid crude palm oil using molecular distillation. In: Asian Journal of Chemistry. 2016 ; Vol. 28, No. 11. pp. 2549-2554.
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abstract = "The separation of free fatty acid (FFA) from high free fatty acid crude palm oil (HFFACPO) was done by using molecular distillation (MD). The separation parameters was at their boiling points; a feed amount of 2.3 mL/min; an operating pressure of 10 Torr; a condenser temperature of 60°C; and a rotor speed of 300 rpm. The physico-chemical characteristics of HFFACPO and purified crude palm oil (PCPO) were determined. The results showed that the percentage of free fatty acid decreased from 8.7 ± 0.3 to 0.9 ± 0.1 {\%}; iodine value from 53.1 ± 0.4 to 52.7 ± 0.5 g I2/100 g; hydroxyl value from 32.5 ± 0.6 to 13.9 ± 1.1 mg KOH/g; unsaponifiable value from 0.31 ± 0.01 and 0.20 ± 0.15 {\%}; moisture content from 0.31 ± 0.01 to 0.24 ± 0.01 {\%} for HFFACPO and PCPO, respectively. Gas chromatography (GC) results showed that the major fatty acids in crude palm oil (CPO) were palmitic acid (44.4 {\%}-45 {\%}) followed by oleic acid (39.6 {\%}-39.8 {\%}). High performance liquid chromatography (HPLC) results showed that the major triacylglycerol (TAG) were POP (30.8-32.4 {\%}) followed by POO (24.9-25.1 {\%}). In general, PCPO showed admirably physico-chemical properties and the quality of purified oil was completely improved.",
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