Vol 6, No 7 (2015) > Chemical Engineering >

Effect of Biomass Types on Bio-oil Characteristics in a Catalytic Fast Pyrolysis Process with a Ni/ZSM-5 Catalyst

Widodo Wahyu Purwanto, Dijan Supramono, Rahma Muthia, Muhamad Fakri Firdaus



The application of bio-oil for biofuel has
been limited due to its low heating value,
high acidity and high oxygenate content. Pursuant to the urgency of obtaining access to sustainable energy
from renewable resources, the studies for bio-oil upgrading have been recently
placed in high priority. This study is aimed at identifying the effect of biomass types on bio-oil
product characteristics. The conversion of several types of biomass, i.e. rice
straw, rubberwood (Hevea
), and palm Empty Fruit Bunches (EFB) to bio-oil by-products was investigated in a Catalytic Fast Pyrolysis (CFP) reactor
using a Ni/ZSM-5 nickel nitrate and zeolite catalyst at 550oC and at
atmospheric pressure. The results show that Ni/ZSM-5 catalyst has actively
enhanced the
de-oxygenation reaction process and aromatic production. The composition
of aromatic compounds in bio-oil from rubberwood, rice straw, and EFB are 10.25
wt%, 7.8 wt%, and 5.98 wt%, respectively. In the absence of a catalyst, bio-oil from rice straw contains
no aromatics.

Keywords: Aromatic; Bio-oil; Catalytic fast pyrolysis; Ni/ZSM-5

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