Transformation method in determining kinetic parameters of biomass thermal decomposition from solid-state approach to volatile state approach
Biomass and Bioenergy,
Год журнала:
2024,
Номер
183, С. 107171 - 107171
Опубликована: Март 21, 2024
Язык: Английский
Enhanced Syngas Production through Dry Reforming of Methane with Ni/CeZrO2 Catalyst: Kinetic Parameter Investigation and CO2-Rich Feed Simulation
Chemical Engineering Journal Advances,
Год журнала:
2024,
Номер
20, С. 100655 - 100655
Опубликована: Окт. 9, 2024
Язык: Английский
Unlocking the potential of waste cooking oil pyrolysis for chemicals purposes: Review, challenges, and prospects
Journal of Analytical and Applied Pyrolysis,
Год журнала:
2024,
Номер
181, С. 106567 - 106567
Опубликована: Июнь 2, 2024
Язык: Английский
Pyrolytic conversion of construction, renovation, and demolition (CRD) wood wastes in Québec to biochar: Production, characterization, and identifying relevant stability indices for carbon sequestration
The Science of The Total Environment,
Год журнала:
2025,
Номер
965, С. 178650 - 178650
Опубликована: Янв. 29, 2025
Management
of
heterogeneous
construction,
renovation,
and
demolition
(CRD)
wood
residues
in
Québec
brings
into
light,
a
widespread
topic
under
discussion
related
to
their
current
disposal
methods
landfills,
that
may
lead
environmental
concerns.
With
rising
forfeitures
from
legal
standpoint,
alternative
treatment
for
CRD
wastes
are
being
explored.
Thermochemical
biomass
conversion
techniques
can
be
employed
depolymerize
low-quality
end-of-life
valorize
it
bio-based
products.
Biochar,
carbonaceous
material
obtained
through
heat
the
absence
oxygen
via
slow
pyrolysis,
tailored
specific
end-use
applications
hard-to-abate
industrial
sectors
pertinent
energy,
composite
materials,
amendments.
However,
there
is
scarcity
comprehensively
understanding
pyrolysis
projecting
biochar
product's
stability
due
lack
relevant
studies
frequent
inconsistencies
amidst
currently
available
methods.
Nevertheless,
present
study,
pyrolyzed
horizontal
tube
furnace
two
scales
laboratory
conditions.
Temperatures
ranging
300
800
°C,
residence
time
(BRT)
30-120
min,
heating
rates
20-55
°C/min,
mass
feedstock
between
100
500
g
were
operational
conditions
chosen
experimentation.
Evaluation
was
carried
out
by
proximate
ultimate
analysis,
Van-Krevelen
plots,
TGA/DTG
profile,
R50
recalcitrance,
SEM-EDX,
Raman
ID/IG
Data
analysis
indicated
carbon
content
(89-90
%),
FC
(70-74
TSF
(73-75
(0.64-0.65),
(0.972)
increased
with
an
increase
BRT
(120
min)
temperature
(800
°C)
rendering
its
utilization
metallurgical
as
reductant.
A
surface
area
220-270
m2/g
also
detected
these
at
°C
recommending
implementation
adsorption
applications.
Biochar's
cation
exchange
capacity
(CEC),
pH,
hydrophobicity
high
temperatures
nurturing
ability
used
soil
pH
adjustment
part
remediation
activities.
SEM-EDX
proved
ash
predominantly
harboring
alkaline
earth
metals
(AAEM)
like
Ca
K
but
certain
point
where
devolatilization
implicit,
thereby
concentrating
stable
carbon.
As
functionalities
biochar,
they
decreased
verifying
rejection
oxychemicals
groups.
Noticeable
striations
associated
C-H/C-O/C=O
vibration,
stretching,
bending
FTIR
spectral
bands
linked
terminal
dehydrogenation,
condensation,
aromatization
reactions
highlighting
development
CC
linkages
commonly
assigned
aromatics.
Evident
low
H/C
(0.51-0.09)
O/C
(0.08-0.02)
indices,
extrapolated
high-temperature
biochars
PR:1
PR:2
possess
permeance
could
bolster
sequestration/draw-down
other
CDR
Язык: Английский
Kinetic study of metal soap biomass pyrolysis using volatile state advanced isoconversional method
Biomass Conversion and Biorefinery,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Язык: Английский
Recent Advances, Applications, and Challenges in Superabsorbent Polymers to Support Water Sustainability
Budiman Batara,
Soen Steven,
Mulyana Mulyana
и другие.
Journal of Applied Polymer Science,
Год журнала:
2024,
Номер
142(11)
Опубликована: Дек. 17, 2024
ABSTRACT
Superabsorbent
polymers
(SAPs)
can
absorb
and
retain
water
thousands
fold
their
weight,
so
it
is
believed
overcome
depletion
issues.
However,
the
applications
are
dominantly
found
in
daily
consumer
goods,
while
still
limited
especially
agricultural
environmental
sectors.
This
review
aims
to
provide
insights
into
preparation,
synthesis,
key
properties,
recent
applications,
challenges
of
SAPs
targeted
support
sustainability.
The
resources
for
synthesis
cellulose,
chitin,
chitosan
(as
natural‐based),
polyacrylate
synthetic‐based).
Likewise,
semi‐synthetic
have
also
been
explored
by
graft
copolymerization
crosslinking
between
natural
synthetic
resources.
Several
properties
absorption
capacity,
biodegradability,
antibacterial
capabilities,
swelling
grain
size.
It
that
cellulose‐based
high
capacity
chitosan‐based
superior
biodegradability
polyacrylate‐based
eminent
capacity.
As
a
further
recommendation,
from
plants
or
seaweeds
be
solution
replace
polymer
materials
not
environmentally
friendly
supporting
sustainable
needs.
SAPs,
including
salt
resistance,
should
rectified
physicochemical
modifications
dynamic
conditions
means
soil
moisture,
salinity,
microclimate
alterations.
Язык: Английский
Improving Coffee Bean Drying Performance Using Polydryer (Dryer Assisted with Superabsorbent Polymer)
International Journal of Chemical Engineering,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
Superabsorbent
polymer
is
a
material
that
can
swell
hundreds
to
thousands
of
times
after
absorbing
moisture.
Studies
combined
the
use
this
in
coffee
bean
drying
have
not
yet
been
widely
disclosed.
In
study,
dryer
assisted
with
superabsorbent
(Polydryer)
was
applied
improve
performance
beans.
The
materials
for
hydrogel
(polygel)
were
cassava
starch
and
acrylic
acid.
Based
on
polygel
heater
able
alleviate
humidity
while
signifying
temperature
inside
chamber.
This
condition
certainly
aided
process
because
it
provided
greater
driving
force
free
bound
water
diffuse
from
inner
particle
environment.
Normal
intermittent
modes
also
carried
out
compare
performance.
normal
operation
mode
required
14
h
attain
product
moisture
content
below
12%.
Meanwhile,
mode,
where
operated
merely
initial
stage,
took
72
reach
maximal
12%
content.
Further
improvement
Polydryer
done
by
using
three
chambers
arranged
series
operating
resulting
more
efficient
system
swifter
7
h.
results
indicated
effective
be
used
substitute
conventional
methods,
especially
during
night‐time
rainy
season.
Besides,
dried
beans
insects,
rot,
mold,
foreign
matter
specialty
grade
category.
Язык: Английский
Examination of the effect of temperature, biomass characteristics, and heating rates on volatile release yield in palm kernel shell pyrolysis using volatile state kinetic modeling
Biofuels Bioproducts and Biorefining,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 19, 2024
Abstract
The
behavior
of
biomass
pyrolysis
can
be
predicted
by
analyzing
its
characteristics.
This
study
aimed
to
model
the
release
volatiles
across
various
temperatures,
properties,
and
heating
rates.
Palm
kernel
shells
were
pyrolyzed
at
433–773
K
with
a
rate
5
K·min
−1
using
volatile‐state
kinetic
modeling.
process
began
calculating
type
number
(
N
CT
),
which
was
used
determine
volatile
enhancement
V
E
yield
Y
VY
product
i
mass
fraction
y
).
parameters,
including
activation
energy
for
formation
ai
derived
through
fitting
process.
results
indicate
70.77%
within
devolatilization
zone,
corresponding
degradation
cellulose
hemicellulose.
increased
higher
lower
,
ranged
from
155–185
kJ·mol⁻¹
biocrude
oil
(BCO)
149–186
gas.
parameters
demonstrated
errors
below
0.2%
in
comparison
experimental
data,
confirming
model's
accuracy
reliability.
Язык: Английский
A combined mechanistic and empirical models for tailored microwave-assisted extraction of rice bran phenolic
Zahara Mardiah,
Soen Steven,
Christian Aslan
и другие.
Separation Science and Technology,
Год журнала:
2024,
Номер
60(1), С. 94 - 107
Опубликована: Окт. 30, 2024
Rice
bran
is
a
promising
source
of
functional
food
due
to
its
high
phenolic
content.
Microwave-assisted
extraction
(MAE)
has
become
widely
used
method
for
optimizing
from
rice
bran.
However,
understanding
the
process
using
MAE
challenging
system's
complexity.
Modeling
and
simulation
are
powerful
tools
provide
better
how
system
behaves
can
be
optimized.
This
study
proposes
novel
approach
that
combines
mechanistic
empirical
models
(gray
box)
predict
content
in
MAE.
It
involved
different
ethanol
concentrations
(40%,
60%,
80%),
microwave
application
time
(1
min,
2
3
min),
power
(90
W,
180
270
W).
The
results
showed
good
agreement
between
experimental
computed
yields,
as
indicated
by
reported
statistical
parameters
gray
box
model.
optimum
conditions
were
reached
at
60%
concentration,
2-min
time,
W
with
0.534
mg/mL
(model)
0.561
or
25.06
mg/g
(experiment).
Following
study,
this
combined
potentially
reduce
cost
required
optimization
studies
extraction.
Язык: Английский
Simultaneous utilization of CO2 and CH4 through dry reforming of methane with Ni-Ce@SiO2 catalyst: Parametric and simulation studies
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2024,
Номер
unknown, С. 101078 - 101078
Опубликована: Дек. 1, 2024
Язык: Английский