Science & Technology Indonesia,
Год журнала:
2023,
Номер
8(3), С. 461 - 470
Опубликована: Июль 6, 2023
Hydrothermal
carbonization
is
recognized
as
a
method
of
processing
biomass
into
carbon-rich
products
due
to
its
energy-saving
and
environmental-friendly
advantages.
In
this
study,
two
types
hydrochar
were
prepared
from
Longan
Fruit
(Dimocarpus
longan
Lour.)
Peel
via
hydrothermal
at
temperatures
190°C
250°C
activated
using
NaOH
(HC-ACT
190
HC-ACT
250)
for
removal
malachite
green
(MG)
rhodamine
B
(RhB)
dyes.
The
maximum
capacity
MG
dye
250
materials
was
172.414
mg/g
mg/g,
while
RhB
111.111
151.515
respectively.
optimum
pH
obtained
6
3
with
adsorption
equilibrium
time
occurring
90
minutes.
kinetic
study
shows
that
the
process
follows
pseudo-second-order
kinetics,
isotherm
model
determined
by
Langmuir
model.
Materials
can
be
reused
effectively
least
cycles
an
percentage
69.91%
83.15%
respectively,
35.79%
55.6%
material
more
selective
on
compared
based
selectivity
test
mixture.
Fuel Communications,
Год журнала:
2023,
Номер
18, С. 100103 - 100103
Опубликована: Дек. 17, 2023
The
significant
rise
in
plastic
consumption
and
waste
generation,
coupled
with
the
urgent
need
for
sustainable
energy
solutions,
has
led
to
innovative
research
seeking
convert
into
valuable
resources.
This
review
focuses
on
application
of
hydrothermal
carbonization
as
a
promising
technique
transforming
products.
It
highlights
suitability
conversion,
presents
recent
reports
showing
results,
prospects,
range
potential
hydrochar
applications,
including
solid
recovered
fuels,
catalysts,
direct
carbon
fuel
cells
supercapacitors.
further
challenges
utilizing
across
different
which
include
feedstock
variability,
contamination,
scalability,
material
properties,
environmental
considerations.
optimized
synthesis
methods,
stable
performance,
long-term
sustainability
is
also
emphasized.
critical
evaluation
applications
can
contribute
advancing
management
renewable
production.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(9), С. 4996 - 5039
Опубликована: Янв. 1, 2024
The
development
of
advanced
electrochemical
energy
storage
devices
(EESDs)
is
great
necessity
because
these
can
efficiently
store
electrical
for
diverse
applications,
including
lightweight
electric
vehicles/aerospace
equipment.
Agronomy,
Год журнала:
2024,
Номер
14(5), С. 955 - 955
Опубликована: Май 2, 2024
Hydrothermal
carbonization
(HTC)
has
emerged
as
a
pivotal
technology
in
the
battle
against
climate
change
and
fosters
circular
economies.
Operating
within
unique
reaction
environment
characterized
by
water
solvent
moderate
temperatures
at
self-generated
pressures,
HTC
efficiently
converts
biomass
residues
into
valuable
bio-based
products.
Despite
HTC’s
potential—from
management
of
challenging
wastes
to
synthesis
advanced
carbons
implementation
biorefineries—it
encounters
hurdles
transitioning
from
academic
exploration
industrial
implementation.
Gaps
persist,
general
comprehension
intricacies
difficulty
large-scale
integration
with
wastewater
treatments,
process
water,
absence
standardized
assessment
techniques
for
Addressing
these
challenges
demands
collaboration
bridge
many
scientific
sectors
touched
HTC.
Thus,
this
article
reviews
current
state
some
hot
topics
considered
crucial
development:
It
emphasizes
role
cornerstone
waste
biorefineries,
highlighting
potentialities
its
development.
In
particular,
it
surveys
fundamental
research
aspects,
delving
pathways,
predictive
models,
analytical
techniques,
modifications
while
exploring
technological
applications
challenges,
peculiar
focus
on
combined
HTC,
integration,
plant
energy
efficiency.
Science and Technology of Advanced Materials,
Год журнала:
2024,
Номер
25(1)
Опубликована: Май 20, 2024
Affordable
and
environmentally
friendly
electrochemically
active
raw
energy
storage
materials
are
in
high
demand
to
switch
mass-scale
renewable
energy.
One
particularly
promising
avenue
is
the
feasibility
of
utilizing
food
waste-derived
nanoporous
carbon.
This
material
holds
significance
due
its
widespread
availability,
affordability,
ease
processing,
and,
notably,
cost-free
nature.
Over
years,
various
strategies
have
been
developed
convert
different
wastes
into
carbon
with
enhanced
electrochemical
properties.
The
performance
these
influenced
by
both
intrinsic
factors,
such
as
composition
elements
derived
from
original
sources
recipes,
extrinsic
including
conditions
during
pyrolysis
activation.
While
current
efforts
dedicated
optimizing
process
parameters
achieve
superior
devices,
it
timely
take
stock
state
research
this
emerging
field.
review
provides
a
comprehensive
overview
recent
developments
fabrication
surface
characterisation
porous
carbons
wastes.
A
special
focus
given
on
applications
waste
for
batteries
supercapacitors.