International Journal of Renewable Energy Development,
Journal Year:
2023,
Volume and Issue:
13(1), P. 145 - 157
Published: Dec. 16, 2023
Coconut
shell
waste
pollutes
the
environment
and
affects
public
health.
Converting
coconut
to
pyrolytic
oil
(liquid
smoke)
with
antimicrobial
properties
using
microwave-assisted
pyrolysis
activated
charcoal
as
an
absorbent
is
a
promising
solution.
The
purpose
of
this
study
investigate
process
factors
involved
in
manufacture
pyrolysis,
identify
chemical
components
oil,
optimize
face-centered
central
composite
design
(FCCD).
This
further
used
shells
various
sizes
(1–3
mm)
employed
different
power
levels
(300–600
W)
times
(5–30
min).
results
revealed
that
yield
increased
time
microwave
but
decreased
size
materials
decreased.
optimum
obtained
was
34.6%
at
following
conditions:
593.6
W,
material
2.9
mm,
heating
28.5
min.
analysis
volatile
compounds
product
from
gas
chromatography-mass
spectrometry
(GC–MS)
identified
total
14
300
15
450
only
5
600
W.
Among
these
compounds,
phenol,
dimethoxy
guaiacol,
hydroxyanisole,
methoxyphenol
were
found
have
highest
concentrations.
outcomes
offer
valuable
contributions
development
products
enhanced
quality,
flavor,
potential
applications
food
industry
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 2, 2024
The
pollution
of
soil
and
aquatic
systems
by
inorganic
organic
chemicals
has
become
a
global
concern.
Economical,
eco-friendly,
sustainable
solutions
are
direly
required
to
alleviate
the
deleterious
effects
these
ensure
human
well-being
environmental
sustainability.
In
recent
decades,
biochar
emerged
as
an
efficient
material
encompassing
huge
potential
decontaminate
wide
range
pollutants
from
systems.
However,
application
raw
biochars
for
pollutant
remediation
is
confronting
major
challenge
not
getting
desired
decontamination
results
due
its
specific
properties.
Thus,
multiple
functionalizing/modification
techniques
have
been
introduced
alter
physicochemical
molecular
attributes
increase
their
efficacy
in
remediation.
This
review
provides
comprehensive
overview
latest
advancements
developing
functionalized/modified
via
biological
other
physiochemical
techniques.
Related
mechanisms
further
applications
modified
water
discussed
summarized.
Furthermore,
existing
research
gaps
challenges
discussed,
well
study
needs
suggested.
work
epitomizes
scientific
prospects
complete
understanding
employing
candidate
polluted
regenerative
development.
Bioresource Technology,
Journal Year:
2023,
Volume and Issue:
372, P. 128680 - 128680
Published: Jan. 25, 2023
Lignin
is
the
second
most
abundant
natural
polymer
after
cellulose,
and
valorisation
of
lignin-rich
streams
has
attracted
increasing
attention
recently.
This
paper
presents
a
novel
sustainable
method
to
recover
lignin
from
Cocoa
Bean
Shells
(CBS)
using
Deep
Eutectic
Solvents
(DES)
microwaves.
A
DES
containing
p-toluenesulfonic
acid,
choline
chloride
glycerol
(2:1:1
M
ratio)
was
selected
based
on
its
dielectric
properties.
Under
200
W
microwave
power,
optimum
yield
95.5
%
achieved
at
130
°C
30
min.
DES-extracted
exhibited
unique
structural
characteristics
including
larger
particle
sizes
(242.5
µm
D50
size),
diversity
(410.4
D90-D10
size)
H/G
sub-unit
ratio
(71.9
%)
compared
with
commercial
Kraft
(77.2
µm,
157.9
0.1
respectively),
indicating
potential
in
modification
upgrading
for
value-added
products.
Case Studies in Chemical and Environmental Engineering,
Journal Year:
2023,
Volume and Issue:
8, P. 100439 - 100439
Published: Aug. 2, 2023
-
They
use
technologies
for
the
thermochemical
conversion
of
substances
biomass,
like
pyrolysis,
torrefaction,
gasification,
and
hydrothermal
process.
In
recent
years,
generation
synthetic
gas
has
significantly
developed.
This
is
especially
true
when
associated
with
biomass
gasification
processes,
primarily
related
to
syngas
production.
The
review
focuses
on
cleaning
syngas,
simulation
methods
procedure
parameters.
conclusion,
prospect
growths
opportunities
are
investigated,
discussions
culminate
presentation
a
novel
hydrogen
fabrication
strategy
predicated
utilizing
modified
combustion
process
that
operates
such
an
air
deficit.
