Oil Palm Trunks as Raw Material for Bioethanol Production: A Study on the Delignification Efficiency of Betaine-Based Natural Deep Eutectic Solvents
Abstract
Non-productive
oil
palm
trunks
(OPT),
rich
in
starch
and
cellulose,
are
promising
raw
materials
for
bioethanol
production.
Effective
pretreatment
is
essential
to
optimize
the
cellulose-to-lignin
ratio,
facilitating
hydrolysis.
This
study
investigates
delignification
efficiency
of
natural
deep
eutectic
solvents
(NaDES)
on
OPT,
focusing
impact
different
hydrogen
donors.
Using
a
1:2
ratio
bond
acceptor
donor
maintaining
consistent
reaction
conditions,
betaine/lactic
acid
betaine/glycerol
NaDES
achieved
optimal
delignification,
reducing
lignin
by
26.73%
26.46%,
respectively,
at
100°C
2
hours.
The
treated
biomass
was
analyzed
using
FTIR,
SEM,
XRD,
confirming
effectiveness
these
degradation.
results
demonstrated
that
both
betaine/glycerol,
solvent
with
significant
potential
breaking
down
non-productive
trunks.
findings
suggest
betaine-based
enhancing
production
from
through
efficient
delignification.
Research Square (Research Square), Год журнала: 2024, Номер unknown
Опубликована: Дек. 13, 2024
Язык: Английский