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T. Asis
Prestige Central Management Sdn. Bhd, 77B Jalan SS21/37 Damansara Utama, 47400 Petaling Jaya, Selangor, MALAYSIA
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry

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Effect Of Pre-Treatment And Inoculant During Composting Of Palm Oil Empty Fruit Bunches A.Y. Zahrim; I.K.T. Yee; E.S.C. Thian; S.Y. Heng; J. Janaun; K.P. Chong; S.K. Haywood; V. Tan; T. Asis; T.M.T.M.A. Al-Mizi
ASEAN Journal of Chemical Engineering Vol 17, No 2 (2017)
Publisher : Department of Chemical Engineering, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1207.204 KB) | DOI: 10.22146/ajche.49551

Abstract

In this work, untreated empty fruit bunch (EFB) or microwave-assisted NaOHpretreated EFB with palm oil mill effluent (POME) were composted under mesophilicconditions either in the presence or absence of Bacillus amyloliquefaciens D203 for sixtydays. During pretreatment conditions, the EFB was mixed with 1% (w/w) sodiumhydroxide and then exposed to microwave irradiation. The composting process wasevaluated based on the evolution of pH, electrical conductivity, moisture content, organicmatter loss, zeta potential and phytotoxicity. The strain Bacillus amyloliquefaciens D203 is not suitable for EFB-POME composting due to lower organic matter loss. The microwave-assisted NaOH pretreatment contributed to ~15% more organic matter loss than was found in the untreated sample while its germination index was >50%.
Co-Authors A.Y. Zahrim E.S.C. Thian I.K.T. Yee J. Janaun K.P. Chong S.K. Haywood S.Y. Heng T.M.T.M.A. Al-Mizi V. Tan