Materials,
Journal Year:
2023,
Volume and Issue:
16(21), P. 6903 - 6903
Published: Oct. 27, 2023
In
the
wake
of
economic
and
population
growth,
increased
wastewater
production
poses
a
challenge
related
to
sewage
sludge
treatment,
which
is
problematic
given
its
high
moisture
content,
amount,
hazardous
characteristics.
This
study
focuses
on
hydrothermal
carbonization
produce
carbonous
material–hydrochar,
may
be
an
alternative
fossil
fuels.
The
effect
process
parameters,
namely,
temperature
(180,
240,
300
°C)
duration
time
(30,
90,
180
min),
hydrochar
properties
(proximate
ultimate
analysis,
heating
values)
performance
were
studied.
Obtained
results
indicate
confirm
that
carbonization,
especially
increase,
improves
fuel
carbonized
sludge.
highest
low
value
was
obtained
for
derived
at
°C
in
min
(~23
MJ
×
kg−1).
energy
gain
noted
240
(~23%).
As
well
as
relatively
mass
yield
comparison
other
hydrochars,
these
parameters
are
considered
most
favorable
carbonization.
However,
consumption
(over
1300
kJ
g−1)
suggests
more
research
process’s
economical
efficacy
required.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
886, P. 163968 - 163968
Published: May 9, 2023
Biochar
can
be
an
effective
carrier
for
microbial
inoculants
because
of
its
favourable
properties
promoting
life.
In
this
review,
we
assess
the
effectiveness
biochar
as
a
agricultural
and
environmental
applications.
is
enriched
with
organic
carbon,
contains
nitrogen,
phosphorus,
potassium
nutrients,
has
high
porosity
moisture-holding
capacity.
The
large
number
active
hydroxyl,
carboxyl,
sulfonic
acid
group,
amino,
imino,
acylamino
hydroxyl
carboxyl
functional
groups
are
cell
adhesion
proliferation.
use
inoculum
been
shown
to
enhance
persistence,
survival
colonization
inoculated
microbes
in
soil
plant
roots,
which
play
crucial
role
biochemical
processes,
nutrient
carbon
cycling,
contamination
remediation.
Moreover,
biochar-based
including
probiotics
effectively
promote
growth
remediate
contaminated
pollutants.
These
findings
suggest
that
serve
promising
substitute
non-renewable
substrates,
such
peat,
formulate
deliver
inoculants.
future
research
directions
relation
improving
material
performance
expanding
potential
applications
emerging
immobilization
technology
have
proposed.
Fuel Communications,
Journal Year:
2023,
Volume and Issue:
18, P. 100103 - 100103
Published: Dec. 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.
Renewable Energy,
Journal Year:
2024,
Volume and Issue:
227, P. 120547 - 120547
Published: April 22, 2024
The
hydrothermal
co-carbonization
of
sewage
sludge
and
organic
additives,
namely
10
20%
charcoal,
fir,
grass,
an
undersieved
fraction
municipal
solid
waste,
was
studied.
benefits
this
combined
process
included
the
spectacular
dewaterability
performance
slurry,
proved
by
positive
filtration
tests
shorter
capillary
suction
times.
For
instance,
a
fir
addition
decreased
c.a.
60%
pressure
time
when
compared
to
carbonization
sludge.
A
10%
waste
resulted
in
15.72
s
time.
Moreover,
produced
effective
energy
sources.
origin
prior
caused
higher
heating
values,
carbon
fixed
contents
hydrochars
(e.g.
charcoal
generated
21%
value,
30%
2.8
times
carbon),
which
corresponded
with
easier
more
stable
combustion
processes
hydrochar
from
determined
thermal
analysis.
Possible
exploitation
problems
during
have
been
assessed
determining
tendency
risks
slagging
fouling
based
on
oxides
identified
ash
XRF
Furthermore,
changes
structural
morphological
properties
were
SEM
FTIR
analyses.
C – Journal of Carbon Research,
Journal Year:
2024,
Volume and Issue:
10(1), P. 8 - 8
Published: Jan. 8, 2024
Water
contamination
is
a
pervasive
global
crisis,
affecting
over
2
billion
people
worldwide,
with
pharmaceutical
contaminants
emerging
as
significant
concern
due
to
their
persistence
and
mobility
in
aquatic
ecosystems.
This
review
explores
the
potential
of
activated
hydrochars,
sustainable
materials
produced
through
biomass
pyrolysis,
revolutionize
removal
from
water
sources.
These
possess
high
surface
area,
porous
structure,
exceptional
adsorption
capabilities,
making
them
promising
solution.
The
impact
on
ecosystems
human
health
far-reaching,
biodiversity,
quality,
public
health.
To
address
this
complex
issue,
diverse
range
techniques,
including
adsorption,
biodegradation,
advanced
oxidation
processes,
are
employed
industry.
Activated
hydrochars
offer
substantial
capacity,
feedstock
origins,
minimal
carbon
footprint.
highlights
contaminant
broader
applications
improving
soil
air
resource
recovery,
waste
management.
Interdisciplinary
collaboration
development
intelligent
treatment
systems
essential
fully
unlock
hydrochars.
Regulatory
support
policy
frameworks
will
facilitate
responsible
widespread
application,
cleaner
more
future.
paper
aims
inform
scientists,
environmental
experts,
policymakers,
industry
stakeholders
about
role
addressing
challenges.
Biomass,
Journal Year:
2024,
Volume and Issue:
4(2), P. 574 - 598
Published: June 6, 2024
Hydrochar,
a
carbonaceous
material
produced
through
hydrothermal
carbonization
of
lignocellulosic
biomass,
has
gained
significant
attention
due
to
its
versatile
applications
in
agriculture,
energy,
and
environmental
protection.
This
review
extensively
explores
hydrochar
production
by
carbonization,
specifically
microwave
supercritical
water
treatment.
These
innovative
approaches
hold
substantial
promises
enhancing
the
efficiency
sustainability
synthesis.
The
commences
with
an
in-depth
analysis
fundamental
principles
governing
production,
emphasizing
distinct
mechanisms
Insightful
discussions
on
influence
critical
process
parameters,
such
as
temperature,
pressure,
residence
time,
underscore
these
factors’
pivotal
role
tailoring
characteristics.
Drawing
wide
array
research
findings,
evaluates
impact
different
biomass
feedstocks
properties,
which
is
crucial
for
optimizing
production.
comparative
assessment
treatment
sheds
light
their
unique
advantages
challenges,
guiding
researchers
toward
informed
decision-making
selection
methods.
Furthermore,
delves
into
myriad
hydrochar,
spanning
soil
amendment,
carbon
sequestration,
renewable
energy.
Environmental
considerations
life
cycle
assessments
associated
are
also
explored,
providing
holistic
perspective
In
conclusion,
this
comprehensive
synthesizes
current
knowledge
from
diverse
sources,
efficacy
Earth system science data,
Journal Year:
2025,
Volume and Issue:
17(2), P. 369 - 391
Published: Feb. 3, 2025
Abstract.
Agricultural,
fishery,
forestry
and
agro-processing
activities
produce
large
quantities
of
residues,
by-products
waste
materials
every
year.
Inappropriate
disposal
inefficient
use
these
resources
contribute
to
greenhouse
gas
emissions
non-point
pollution,
placing
significant
environmental
economic
burdens
on
society.
Since
many
nations
do
not
keep
statistics
materials,
it
has
been
possible
accurately
quantify
the
amounts
produced,
their
competing
uses
potentially
available
for
recycling
at
a
local
level.
Therefore,
objectives
present
work
were
provide
(1)
definitions,
typologies
methods
aid
consistent
classification,
estimation
reporting
various
residues
by-products,
(2)
global
organic
matter
database
(OMD)
from
agriculture,
fisheries,
related
industries
(3)
regional
estimates
in
circular
bio-economy.
To
best
our
knowledge,
OMD
is
first
its
kind
consolidate
nutrient
concentrations
globally
(available
https://doi.org/10.5281/zenodo.10450921;
Sileshi
et
al.,
2024).
The
will
be
updated
continuously
as
new
production
data
are
published
FAOSTAT
country-specific
conversion
coefficients
become
available.
This
information
expected
evidence-based
policies
actions
support
sustainable
utilization
transition
towards
economy.
could
used
variety
purposes,
including
residue
availability
soil
amendment,
livestock
feed,
bioenergy
other
industrial
applications
well
assessment
impacts
management
practices
such
application
burning.
only
national
Due
lack
uniform
methodology,
across
countries,
was
difficult
estimate
all
agricultural,
fishery
by-products.
we
strongly
recommend
investment
inventory
wastes
sub-national
levels
