Biochar,
Journal Year:
2023,
Volume and Issue:
5(1)
Published: Jan. 18, 2023
Abstract
As
a
bioproduct
from
the
thermal
decomposition
of
biomass,
biochar
has
various
applications
in
diversified
field.
In
this
study,
bibliometric
analysis
was
conducted
to
visualize
current
research
status
and
trends
research.
A
total
5535
documents
were
collected
Web
Science
Core
Collection
subjected
visualization
for
field's
development
2021
with
CiteSpace
software.
The
visual
results
demonstrate
that
number
publications
expanded
dramatically
2021,
growth
trend
would
continue.
China
USA
most
contributing
countries
terms
publications.
Based
on
keyword
co-occurrence
analyses,
“Biochar
toxic
metal
immobilization”,
“Biochar-based
catalyst
biofuel
production”,
global
climate
change
mitigation”,
salinity
drought
stress
amelioration”,
amendment
composting”,
as
additives
anaerobic
digestion”
main
hotspots
field
2021.
This
indicates
multidisciplinary.
Regarding
hotspots,
employment
heterogeneous
catalysts
production
gained
great
attention
On
contrary,
bioremediation
using
functional
bacteria
immobilized
biochar-assisted
advanced
oxidation
process
well-studied
but
less
frequency
than
other
topics
Furthermore,
future
proposed
green
sustainable
biochar.
review
provides
comprehensive
overview
frontiers,
evolution
potential
directions
Graphical
Environmental Technology & Innovation,
Journal Year:
2022,
Volume and Issue:
26, P. 102288 - 102288
Published: Jan. 11, 2022
Sewage
sludge
pyrolysis
into
biochar
is
an
effective
way
to
realize
harmless
and
resourceful
utilization.
The
study
aimed
investigate
the
relationship
between
temperatures
(300
°C,
500
°C
700
°C)
properties
environmental
risks
associated
with
heavy
metals
(Cu,
Zn,
Pb,
Cd,
Ni
Cr)
discuss
possible
mechanisms
of
metal
immobilization.
results
showed
that
pH
value
increased
from
5.87
10.50
specific
area
grew
5.26
m2/g
a
maximum
15.23
temperature
rose.
Pyrolysis
enhanced
aromatization
stability
biochar,
part
oxygen-containing
functional
groups
decomposed.
Although
enriched
in
pyrolysis,
high
promoted
bioavailable
fractions
converted
more
stable
ones,
leaching
rate
was
reduced
by
5.5%
on
average.
This
may
be
related
group
decomposition,
pore
collapse
wrapping,
new
crystalline
phases
formation.
risk
significantly
(RI
below
51.00),
indicating
relatively
safe
reliable
performance
biochar.
can
provide
theoretical
basis
for
management
use
soil.
Cleaner Waste Systems,
Journal Year:
2024,
Volume and Issue:
7, P. 100130 - 100130
Published: Jan. 21, 2024
In
response
to
increasing
global
waste
generation
due
population
growth,
urbanization,
and
industrialization,
wastewater
treatment
operations
should
shift
from
being
solely
energy
consumers
becoming
producers
by
harnessing
sludge
(WWS).
This
approach
holds
great
potential
for
meeting
demands
addressing
the
challenges
of
treatment.
The
recovery
heat
electrical
WWS
offers
a
viable
solution
reduce
costs
within
WWTPs.
Thermochemical
technologies
such
as
pyrolysis,
gasification,
combustion
hold
their
efficiency,
reaction
times,
retrieval
capabilities.
These
demonstrate
feasibility
in
terms
operational
costs,
circular
economy
principles,
socio-environmental
impact,
thanks
ongoing
advancements
waste-to-energy
research.
review
aims
explore
recovering
bioenergy
(biogas
or
syngas)
generate
energy,
including
heat,
electricity,
other
innovative
products.
article
provides
critical
comprehensive
examination
thermochemical
technologies,
taking
into
account
technological,
economic,
factors.
It
then
presents
integration
techniques
that
effectively
combine
anaerobic
digestion
with
conversion
enhance
syngas,
biogas,
flue-gas
energy.
results
this
study
underscore
significant
sludge-to-energy
schemes.
Biochar,
Journal Year:
2025,
Volume and Issue:
7(1)
Published: Jan. 14, 2025
Abstract
Over
the
past
10–15
years,
biochar
has
garnered
significant
global
attention
in
agriculture
and
environmental
science.
While
most
research
focused
on
benefits
of
application
soil
enhancement,
water
quality
improvement,
climate
change
mitigation,
potential
risks
associated
with
its
use
have
often
been
overlooked.
This
oversight
is
critical,
as
fate
contingent
upon
understanding
these
risks.
Once
released
into
environment,
can
interact
media,
potentially
releasing
pollutants
threatening
ecosystems.
Therefore,
it
essential
to
evaluate
unintended
health
during
production
select
appropriate
types
for
sustainable
development.
review
was
conducted
by
systematically
analyzing
synthesizing
relevant
studies
from
Web
Science,
focusing
recent
advancements
key
debates
field.
It
categorizes
endogenous
exogenous
based
source
carried
biochar.
The
analyzes
detail
impacts
raw
materials,
preparation
processes,
scenarios
Furthermore,
provides
a
thorough
overview
adverse
effects
animals,
plants,
microorganisms,
human
health,
elucidating
mechanisms
pollutant
release,
aging,
nano-effects
geochemical
processes
involving
Additionally,
this
summarizes
risk
assessment
methods
biochar,
providing
reference
safe
development
biochar-related
research.
Graphical
