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Scale-up study on the supercritical carbon dioxide sterilisation of oil palm fresh fruit bunch

Journal of Oil Palm Research, ISSN: 1511-2780, Vol: 32, Issue: 1, Page: 64-74
2020
  • 3
    Citations
  • 0
    Usage
  • 27
    Captures
  • 0
    Mentions
  • 6
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    3
  • Captures
    27
  • Social Media
    6
    • Shares, Likes & Comments
      6
      • Facebook
        6

Article Description

Existing steam sterilisation method of oil palm fresh fruit bunch (OP-FFB) requires huge quantities of water and about 30%-60% of the water results in palm oil mill effluent (POME). In order to circumvent the perennial POME generation problem, it requires a waterless sterilisation system of OP-FFB. The present study was conducted to determine the sterilisation efficiency of OP-FFB using a pilot scale supercritical carbon dioxide (SC-CO) technology. The sterilisation efficiency was evaluated based on the inactivation of Bacillus spp. and Aspergillus spp. in OP-FFB with varying SC-CO pressure (10-30 MPa), temperature (40°C-80°C) and treatment time (15-90 min). Complete inactivation of the microorganisms in OP-FFB was obtained after 45-90 min at treatment range of 10-30 MPa and 40°C-80°C. The findings of the present study reveal that the SC-CO sterilisation is a conceivable technology to be used in OP-FFB sterilisation, replacing the current water steam sterilisation technology.

Bibliographic Details

T. L. Tengku Norsalwani; Md Sohrab Hossain; H. P.S. Abdul Khalil; Azhar M. Easa; Asmah M. Sofian; A. K. Mohd Omar; Fatehah M. Omar

Malaysian Palm Oil Board

Agricultural and Biological Sciences; Materials Science; Energy

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