Performance of polymeric membranes for phospholipid removal from residual palm fibre oil/hexane miscella

Rusnani Abd Majid, Choo Yuen May, Abdul Wahab Mohammad

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Palm pressed ibre, a by-product from the processing of crude palm oil contains about 5%-8% residual oil (on dry basis). The oil contains a high amount of minor components such as phospholipids, carotenes and vitamin E. This study investigates the ability of polymeric membranes to remove phospholipid from residual palm ibre oil/hexane miscella. The performance of 10 kDa polyethersulphone (PES), 20 kDa PES and 30 kDa polyvinylidene luoride (PVDF) membranes were evaluated. A detailed evaluation on 30 kDa PVDF showed that permeate lux increases with the increase of operating pressure, temperature and agitation speed. Increasing operating pressure from 2 to 6 bar with a temperature of 40°C and speed of 300 rpm resulted in the retention of phospholipids from 81% to 95%. The resistance of the membrane due to concentration polarisation ranged from 30.6 to 97.0 x 1012 m -1 which gave 79% - 84% of total resistance values indicating signiicant inluence on the permeate lux. A complete 23 experimental design indicated statistically that the increased pressure, temperature and agitation speed resulted in a higher permeate lux. An increase in pressure and agitation speed also increased the retention of phospholipid. However, the regression model obtained from this study showed that the temperature had a negative efect on the retention of phospholipid.

Original languageEnglish
Pages (from-to)253-264
Number of pages12
JournalJournal of Oil Palm Research
Volume25
Issue numberAUG
Publication statusPublished - Aug 2013

Fingerprint

Polymeric membranes
Phospholipids
Hexanes
Hexane
hexane
phospholipids
Oils
permeates
agitation
oils
Membranes
Fibers
Pressure
Temperature
Palm oil
palm oils
temperature
Vitamins
Petroleum
Carotenoids

Keywords

  • Fouling
  • Phospholipids
  • Polymeric membrane
  • Residual palm ibre oil
  • Resistance

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Food Science
  • Renewable Energy, Sustainability and the Environment
  • Biomaterials

Cite this

Performance of polymeric membranes for phospholipid removal from residual palm fibre oil/hexane miscella. / Majid, Rusnani Abd; May, Choo Yuen; Mohammad, Abdul Wahab.

In: Journal of Oil Palm Research, Vol. 25, No. AUG, 08.2013, p. 253-264.

Research output: Contribution to journalArticle

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