International Journal of Phytoremediation,
Journal Year:
2020,
Volume and Issue:
unknown, P. 1 - 18
Published: Nov. 11, 2020
Mining
activities
causes
heavy
metal
pollution
and
adversely
affect
the
ecological
safety
human
well-being.
Phytoremediation-biochar
synergy
can
effectively
remediate
mine
spoils
contaminated
with
metals
(HM).
A
review
which
focuses
exclusively
on
application
of
biochar
assisted
phytoremediation
in
HM
spoil
is
lacking.
Mechanisms
immobilization
by
biochar,
potential
plants
biomass
disposal
methods
has
also
been
reviewed.
Availability
feedstock
production
conditions,
optimization
rate,
techniques,
selection
suitable
hyperaccumulators
cost
bulk
are
key
to
a
successful
biochar-based
remediation
tailings
coalmine
spoil.
Presently,
herbs
shrubs
mostly
used
as
phytoremediators,
use
woody
trees
would
encourage
long-term
sequestration
reduce
disposal.
Also,
non-edible
prevent
from
entering
food
chain.
For
holistic
biochar-phytoremediation
technique,
incineration
pyrolysis
dispose
biomass.
From
economical
viewpoint,
environment
cost-benefit
analysis
should
be
considered
before
considering
feasibility
technology.HighlightsMass
scale
in-situ
economics
keys
issues.Biochar
for
spoils.Long
term
studies
using
needs
attention.Disposal
method.
Biochar,
Journal Year:
2022,
Volume and Issue:
4(1)
Published: April 11, 2022
Abstract
Biochar
(BC)
has
gained
attention
for
removal
of
toxic
elements
(TEs)
from
aqueous
media;
however,
pristine
biochar
often
exhibits
low
adsorption
capability.
Thus,
various
modification
strategies
in
BC
have
been
developed
to
improve
its
capability
against
TEs.
Nanoscale
zero-valent
iron
(nZVI)
and
oxides
(FeOx)
used
as
sorbents
TE
removal.
However,
these
materials
are
prone
agglomeration
also
expensive,
which
make
their
usage
limited
large-scale
applications.
The
nZVI
technical
demerits
could
be
resolved
by
the
development
BC-based
composite
through
loading
or
FeOx
onto
surface.
Nano
modified
(nZVIBC),
FeOx-modified
(FeOxBC)
attracted
removing
pollutants
phases.
Nonetheless,
a
potential
use
nZVIBC
FeOxBC
environments
not
well-realized
reviewed.
As
such,
this
article
reviews:
(i)
preparation
characterization
FeOxBC;
(ii)
capacity
retention
line
with
physicochemical
properties,
(iii)
mechanisms
FeOxBC.
Adopting
increases
sporptive
TEs
due
surface
modifications
morphology,
functional
groups,
elemental
composition.
combined
effects
nZVI,
Fe
salts
on
sorption
complex
because
they
very
specific
This
review
identified
significant
opportunities
research
technology
advancement
novel
effective
remediation
contaminated
water.
Resources Conservation & Recycling Advances,
Journal Year:
2023,
Volume and Issue:
19, P. 200173 - 200173
Published: July 18, 2023
In
circular
economies,
it
is
imperative
to
implement
effective
environmental
management
solutions
address
resource
depletion.
Over
the
past
few
years,
there
has
been
a
growing
recognition
of
potential
agricultural
crop
waste
in
mitigating
greenhouse
gas
(GHG)
emissions
and
promoting
global
carbon
neutrality.
Despite
lacking
practical
options,
open-field
burning
residue
contributes
significantly
air
pollution.
This
challenge
may
be
addressed
by
producing
biochar
through
pyrolysis
residues.
A
application
agriculture
can
contribute
reducing
warming
sequestration
atmospheric
from
soil.
As
part
life
cycle
assessment
biochar,
yield
during
its
production
are
critical
factors,
which
emphasize
importance
selecting
method
suitable
for
biochar.
The
objective
this
paper
present
comprehensive
overview
agronomic
advantages
associated
with
along
detailed
analysis
(LCA).
Furthermore,
provides
an
how
facilitate
local
energy
sustainable
within
nexus
agroecosystems,
environment,
energy.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Feb. 5, 2024
Abstract
Limiting
global
warming
to
within
1.5
°C
might
require
large-scale
deployment
of
premature
negative
emission
technologies
with
potentially
adverse
effects
on
the
key
sustainable
development
goals.
Biochar
has
been
proposed
as
an
established
technology
for
carbon
sequestration
co-benefits
in
terms
soil
quality
and
crop
yield.
However,
considerable
uncertainties
that
exist
potential,
cost,
strategies
biochar
systems
at
national
level
prevent
its
China.
Here,
we
conduct
a
spatially
explicit
analysis
investigate
economics,
priority
sites
derived
from
multiple
feedstocks
Results
show
potential
up
0.92
billion
tons
CO
2
per
year
average
net
cost
US$90
ton
manner,
which
could
satisfy
demands
most
mitigation
scenarios
compatible
China’s
target
neutrality
by
2060.
Biochar,
Journal Year:
2023,
Volume and Issue:
5(1)
Published: March 13, 2023
Abstract
Hydrothermal
carbonization
(HTC)
technology
has
increasingly
been
considered
for
biomass
conversion
applications
because
of
its
economic
and
environmental
advantages.
As
an
HTC
product,
hydrochar
widely
used
in
the
agricultural
fields
decades.
A
CiteSpace-based
system
analysis
was
conducting
a
bibliometric
study
to
understand
state
application
research
from
2011
2021.
Researchers
had
basic
understanding
between
2016
when
they
discovered
could
apply
improvement
projects.
Keyword
clustering
results
literature
published
2017–2021
showed
that
soil
quality
plant
growth
were
major
topics,
followed
by
carbon
capture
greenhouse
gas
emissions,
organic
pollutant
removal,
heavy
metal
adsorption
bioavailability.
This
review
also
pointed
out
challenge
perspective
application,
namely:
(1)
effects
on
soils
need
be
clarified
terms
scope
conditions;
(2)
influence
microorganisms
needs
investigated
illustrate
impact
emissions;
(3)
combined
contaminant
sorption
experiments
conducted
large-scale
applications;
(4)
more
reveal
benefits
coupling
with
anaerobic
digestion
technology.
suggested
it
would
valuable
create
database
contains
detailed
information
how
got
different
sources,
preparation
conditions
can
applied
field.
Graphical
Environmental Sciences Europe,
Journal Year:
2024,
Volume and Issue:
36(1)
Published: Feb. 12, 2024
Abstract
In
the
last
decade,
biochar
application
research
has
emerged
as
a
hot
topic
in
water
treatment
studies,
which
made
adsorption
one
of
primary
wastewater
strategies.
This
paper
presents
global
bibliometric
analysis
2673
publications
from
Web
Science
database,
spanning
2011–2022.
For
comprehensive
understanding
status
and
trends
for
treatment,
advanced
quantitative
visual
tools
(i.e.,
CiteSpace
ArcGIS)
were
employed.
The
results
showed
that
China
leading
country
with
most
published
articles.
key
area
is
on
magnetic
wastewater.
articles
summarized
review
demonstrated
unequivocally
can
treat
wide
range
even
though
mechanisms
heavy
metals,
inorganic
salts
organic
pollutants
are
not
entirely
consistent.
further
analyzes
factors
affecting
performance
adsorbing
improvement
measures
functional
characteristics,
proposing
future
directions
focusing
capacity
products.
information
synthesis
discussion
would
provide
valuable
insights
historical,
current,
research,
beneficial
to
solve
practical
problems
pollution
improve
quality
environment.
