Biomass Hydrochar: A Critical Review of Process Chemistry, Synthesis Methodology, and Applications
Sustainability,
Год журнала:
2025,
Номер
17(4), С. 1660 - 1660
Опубликована: Фев. 17, 2025
Hydrothermal
carbonization
(HTC)
is
a
novel
thermochemical
process
that
turns
biomass
into
hydrochar,
substance
rich
in
carbon
has
potential
uses
advanced
material
synthesis,
energy
production,
and
environmental
remediation.
With
an
emphasis
on
important
chemical
pathways,
such
as
dehydration,
decarboxylation,
polymerization,
control
the
conversion
of
lignocellulosic
useful
this
review
critically
investigates
fundamental
chemistry
HTC.
A
detailed
analysis
conducted
effects
variables
physicochemical
characteristics
including
temperature,
pressure,
composition,
water
ratio,
residence
time.
Particular
focus
placed
new
developments
HTC
technology
improve
sustainability
efficiency,
like
recirculating
microwave-assisted
co-hydrothermal
carbonization.
Furthermore,
improvement
adsorption
capacity
for
organic
contaminants
heavy
metals
explored
relation
to
functionalization
activation
namely
through
surface
modification
KOH
treatment.
The
performance
hydrochar
biochar
adsorption,
catalysis,
storage
compared,
emphasizing
unique
benefits
difficulties
each
substance.
Although
comparatively
high
higher
heating
value
(HHV)
can
be
good
substitute
coal,
issues
with
reactor
design,
scalability,
secondary
waste
management
continue
limit
its
widespread
use.
In
order
maximize
sustainable
profitable
avenue
valorization,
study
addresses
critical
research
gaps
future
initiatives.
Язык: Английский
A State-of-the-Art review on Edible Electronics: Next-Generation Technologies for Biocompatible and Ingestible Devices
Trends in Food Science & Technology,
Год журнала:
2025,
Номер
unknown, С. 104880 - 104880
Опубликована: Янв. 1, 2025
Язык: Английский
Hydrothermal carbonization materials of Leather and Paper Mill Sludge for Solid Biofuel Applications
Journal of Analytical and Applied Pyrolysis,
Год журнала:
2025,
Номер
unknown, С. 106976 - 106976
Опубликована: Янв. 1, 2025
Язык: Английский
Microwave-Mediated Hydrothermal Carbonization (MWHTC) of food waste for conversion-ready feedstocks
Biofuels,
Год журнала:
2025,
Номер
unknown, С. 1 - 14
Опубликована: Янв. 20, 2025
Язык: Английский
Sustainable synthesis of reusable nitrogen-doped hydrochar from cassava pulp for simultaneous dye removal in environmental water
Biomass Conversion and Biorefinery,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Язык: Английский
Removal of heavy metals from industrial paint effluent using coconut shell-derived activated carbon
M. E. Ojewumi,
Ruth Taiwo Teminiwura,
Jolayemi Kayode Joshua
и другие.
Опубликована: Июнь 20, 2024
This
study
evaluated
the
adsorption
of
heavy
metals
from
paint
industry
effluent
onto
activated
carbon
produced
Coconut
shells.
The
samples
were
characterized
before
and
after
treatment
via
Atomic
Absorption
Spectroscopy
(AAS)
to
identify
metal
ions
present
in
samples.
efficiency
effect
varying
adsorbent
particle
size,
impregnation
ratio,
contact
time
determined.
coconut
shells
was
Scanning
Electron
Microscopy
(SEM)
Fourier
Transform
Infrared
(FTIR)
determine
surface
morphology
surface-active
functional
group.
SEM
revealed
development
pore
size
adding
a
chemical
activator
create
sites.
finding
concluded
that
smaller
adsorbents,
higher
area,
time,
ratio
increase
process.
Язык: Английский
Pengaruh Air Daur Ulang dalam Hydrothermal Treatment Biomassa Benih Kacang Panjang (Vigna Sinensis L) terhadap Komposisi Kimia dan Sifat Fisik Produk Cair
Devi Kurnia Sari,
Rosalia Dwi Werena
Jurnal Redoks,
Год журнала:
2024,
Номер
9(2), С. 147 - 153
Опубликована: Июль 21, 2024
Dalam
dunia
industri
pertanian,
biomassa
menjadi
produk
samping
yang
sangat
berlimpah
dan
dapat
sumber
energi
dalam
proses
konversi.
Salah
satu
berasal
dari
benih
kacang
panjang
tidak
layak
atau
rejected
sehingga
berakhir
limbah
padat.
Hydrothermal
Treatment
merupakan
salah
teknik
konversi
menghasilkan
namun
kendala
hydrothermal
treatment
adalah
berupa
air
pemanasan
berlebihan
serta
mengandung
beberapa
senyawa
kimia.
Penelitian
ini
bertujuan
untuk
menganalisis
kandungan
pada
hasil
dengan
daur
ulang
(recycle)
sebagai
tambahan
selanjutnya
sebanyak
250
mL
dilakukan
5
kali
recycle
variasi
temperatur
digunakan
200℃
220℃,
rasio
sebesar
1:5
residence
time
selama
60
menit.
Hasil
cair
dianalisis
Gas
Chromathography
Mass
Spectrometry
menunjukkan
bahwa
11-Octadecanoic
Acid
terdeteksi
suhu
220℃
pertama
kelima.
Improved Hydrothermal Conversion of Pea Pod Biomass for Production of Platform Chemicals with Organic Acid Catalysts
ChemEngineering,
Год журнала:
2024,
Номер
8(6), С. 110 - 110
Опубликована: Ноя. 1, 2024
Agro-industries
produce
over
2
billion
tons
of
agricultural
waste
annually,
including
by-products
like
bagasse,
molasses,
seeds,
stems,
leaves,
straw,
and
shells.
The
use
agro-industrial
is
a
way
to
reduce
the
impact
industrial
processes
on
environment.
pea
pod
biomass
with
high
concentration
cellulose,
hemicellulose
some
lignin;
therefore,
it
can
be
used
platform
chemicals
by
means
hydrothermal
process.
There
limited
research
hydrolysis
biomass,
but
has
been
shown
obtain
yields.
This
study
analyzed
effectiveness
selectivity
process
using
particle
size
0.5
mm
at
180
°C
for
one
hour.
A
500
mL
reactor
was
used,
biomass-to-acid
solution
ratio
1:20.
acid
0.02
M.
concentrations
sugar,
formic
acid,
levulinic
HMF,
furfural
produced
were
measured.
Among
catalysts
studied,
adipic
catalysis
showed
highest
yield
65.16%,
37.09%
16.37%
11.71%
acid.
On
other
hand,
chloroacetic
butyric
anthranilic
phthalic
less
effective
demonstrated
sugar
production,
proving
that
liquid
phase
obtained
catalyst
those
acids
as
carbon
sources
fermentation
In
general,
when
comparing
or
without
catalyst,
observed
in
reaction,
amount
HMF
reduced
respect
production
increased.
Язык: Английский