当前位置： SCI文献检索 > BIORESOURCE TECHNOLOGY期刊下所有文献 > Effects of changes in chemical and structural characteristic of ammonia fibre expansion (AFEX) pretreated oil palm empty fruit bunch fibre on enzymatic saccharification and fermentability for biohydrogen.

Effects of changes in chemical and structural characteristic of ammonia fibre expansion (AFEX) pretreated oil palm empty fruit bunch fibre on enzymatic saccharification and fermentability for biohydrogen.

Abstract：

:Oil palm empty fruit bunch (OPEFB) fibre is widely available in Southeast Asian countries and found to have 60% (w/w) sugar components. OPEFB was pretreated using the ammonia fibre expansion (AFEX) method and characterised physically by the Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy. The results show that there were significant structural changes in OPEFB after the pretreatment step, and the sugar yield after enzymatic hydrolysis using a cocktail of Cellic Ctec2® and Cellic Htec2® increased from 0.15gg(-1) of OPEFB in the raw untreated OPEFB sample to 0.53gg(-1) of OPEFB in AFEX-pretreated OPEFB (i.e. almost a fourfold increase in sugar conversion), which enhances the economic value of OPEFB. A biohydrogen fermentability test of this hydrolysate was carried out using a locally isolated bacterium, Enterobacter sp. KBH6958. The biohydrogen yield after 72h of fermentation was 1.68mol H2 per mol sugar. Butyrate, ethanol, and acetate were the major metabolites.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Abdul PM,Jahim JM,Harun S,Markom M,Lutpi NA,Hassan O,Balan V,Dale BE,Mohd Nor MT

doi

10.1016/j.biortech.2016.02.135

subject

Has Abstract

pub_date

2016-07-01 00:00:00

pages

200-8

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(16)30281-4

journal_volume

211

pub_type

杂志文章

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