期刊
JOURNAL OF CLEANER PRODUCTION
卷 65, 期 -, 页码 252-260出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2013.10.007
关键词
Oil palm frond petiole; Renewable sugars; Fermentation feedstock; Bioproducts; Biorefinery
资金
- Universiti Malaysia Pahang (UMP)
- Universiti Kuala Lumpur (UniKL)
- Universiti Putra Malaysia (UPM)
- Ministry of Higher Education (MOHE), Malaysia
- Majlis Amanah Rakyat (MARA), Malaysia
The prospect of oil palm frond (OPF) juice as fermentation feedstock was investigated by taking two bioproducts, i.e. poly(3-hydroxybutyrate). P(3HB) and bioethanol as example. P(3HB) was successfully produced by Cupriavidus necator NCIMB 11599 from OPF juice through fed-batch fermentation with cell dry mass and PHB content of 40 g/l and 75 wt.%, respectively. On the other hand, bioethanol fermentation from OPF juice was conducted by using Baker's yeast, with and without nitrogen source supplementation. Ethanol yield of 0.49 g/g sugars was recorded when OPF juice was supplemented with nitrogen source. Furthermore, OFF pressed fiber obtainable after pressing the OFF juice was saccharified in order to obtain more fermentable sugars from OPF petiole. Hydrolysis of OPF fiber holocellulose into sugars was very high at 95%, contributed by the low lignin content in OPF and pre-treatment by wet disc-mill. Apart from fermentation, OPF pressed fiber is also useful for bio-based plastics, ruminant feed, reinforce material for biocomposites and bio-briquettes. Efficient utilization of OPF petiole proposed herewith can be an alternative pathway to the contribution of green and sustainable biorefinery. (C) 2013 Elsevier Ltd. All rights reserved.
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