A bibliographic study of biochar and hydrochar: differences and similarities
Journal of Analytical and Applied Pyrolysis,
Год журнала:
2025,
Номер
187, С. 106985 - 106985
Опубликована: Фев. 1, 2025
Язык: Английский
An iron tailings-based soil-like aggregate material used to fix up soil compaction
Journal of environmental chemical engineering,
Год журнала:
2025,
Номер
unknown, С. 115765 - 115765
Опубликована: Фев. 1, 2025
Язык: Английский
Metagenomic analysis revealed the bioremediation mechanism of lead and cadmium contamination by modified biochar synergized with Bacillus cereus PSB-2 in phosphate mining wasteland
Frontiers in Microbiology,
Год журнала:
2025,
Номер
16
Опубликована: Фев. 18, 2025
Phosphate
mining
wasteland
is
contaminated
with
heavy
metals,
such
as
lead
(Pb)
and
cadmium
(Cd),
which
pose
significant
environmental
risks.
Ecological
restoration
of
these
lands
crucial,
but
limited
research
has
focused
on
the
remediation
metal-contaminated
soils
using
modified
biochar
functional
microorganisms.
In
this
study,
we
investigated
bioremediation
phosphate
soil
in
combination
phosphate-solubilizing
bacterium
Bacillus
cereus.
The
effects
synergistic
approach
nutrient
content,
metal
immobilization,
microbial
community
structure
were
assessed.
results
indicated
that
available
content
increased
by
59.32%.
extractable
state
Pb2
+
Cd2
decreased
65.06
71.26%,
respectively.
And
conditions
significantly
improved.
Synergistic
can
increase
diversity
abundance
communities
(p
<
0.05).
Janibacter,
Lysobacter,
Ornithinimicrobium,
Bacillus,
Salinimicrobium
main
flora
during
remediation,
correlations
for
promotion
immobilization
organic
matter.
ZitB,
czcD,
zntA,
cmtR
are
major
resistance
genes
regulate
metabolic
pathways
to
make
function
more
stable
after
wasteland.
Язык: Английский
CaO-modified hydrochar reduces soil cadmium bioavailability by altering soil properties, shifting bacterial community, and promoting microbial metabolisms
Environmental Technology & Innovation,
Год журнала:
2024,
Номер
35, С. 103698 - 103698
Опубликована: Май 27, 2024
The
efficient
remediation
of
cadmium
(Cd)-contaminated
soil
is
great
significance
for
reducing
the
threats
to
ecosystem
and
human
health.
At
present,
carbon-rich
hydrochar
with
abundant
oxygen-containing
functional
groups
as
environmental
material
gains
numerous
attention
due
its
cost-effectiveness
sustainability.
A
pot
experiment
was
performed
investigate
Cd
immobilization
efficiency
microbial
response
in
presence
pristine
corn
stalk
CaO-modified
hydrochars.
Results
showed
that
compared
hydrochar,
fresh
biomass
plant
shoot
promoted
by
0.904-15.6%
amendment,
bioavailable
content
correspoding
uptake
were
decreased
8.19-16.2%
4.18-17.0%,
respectively.
Additionally,
relative
abundance
Actinobacteriota
benefiting
elevated
from
30.3%
34.4-44.6%
after
amendment.
metabolisms
(e.g.,
carbohydrate
metabolism,
amino
acid
citrate
cycle)
also
enhanced
contributing
reduce
bioavailability.
Redundancy
analysis
revealed
bacterial
community
structure
rhizosphere
significantly
influenced
dissolved
organic
carbon
electric
conductivity
(p<0.05).
Overall,
cost-effective
reduced
phytotoxicity
a
promising
metal-contaminated
soil.
Язык: Английский
AI-guided investigation of biochar’s efficacy in Pb immobilization for remediation of Pb contaminated agricultural land
Applied Biological Chemistry,
Год журнала:
2024,
Номер
67(1)
Опубликована: Сен. 16, 2024
Язык: Английский
The Application of MgO-Modified Biochars for the Immobilization of Ni, Cu, Pb, and Cr in Stone Crushing and Mining-Polluted Soil
Agronomy,
Год журнала:
2024,
Номер
14(7), С. 1423 - 1423
Опубликована: Июнь 30, 2024
The
objective
of
the
present
study
was
to
investigate
impact
MgO
0.5
g/kg
loaded
in
different
organic
waste
materials
on
properties
modified
biochars
obtained.
included
tea
waste,
wood
water
chestnut
peel,
and
pomegranate
which
were
used
create
MgO-modified
biochar
(TWMgO-MBC),
(WSMgO-MBC),
peel
(WCMgO-MBC),
(PPMgO-MBC).
All
prepared
at
600
°C
for
2
h
applied
1%
doses
immobilization
Ni,
Cu,
Pb,
Cr
stone
crushing
mining-polluted
soil
reduction
their
uptake
by
pearl
millet
(Pennisetum
glaucum)
plant.
greatest
fresh
dry
biomasses
observed
45.04%
31.29%,
respectively,
with
application
TWMgO-MBC
stone-crushing-polluted
soil.
highest
degree
Ni
(76.67%)
WSMgO-MBC
treatment,
Cu
(73.45%)
WCMgO-MBC
1%,
Pb
(76.78%)
(70.55%)
comparison
control.
maximum
shoot
reduced
78.43%
75.06%
90.81%
85.71%
as
compared
root
77.81%
68.09%
84.03%
88.73%
demonstrated
that
treatment
highly
effective
improving
plant
growth,
while
treatments
found
be
immobilizing
heavy
metals
polluted
soils,
thus
facilitating
safe
crop
cultivation.
Future
studies
should
concentrate
long-term
remediation
multimetal-polluted
soils.
Язык: Английский
A Comparative Effect of Sustainable Materials on the Immobilization, Geochemical Fractions, Bioaccumulation, and Translocation of Ni in Smelter- and Mine-Polluted Soils
Minerals,
Год журнала:
2024,
Номер
14(11), С. 1083 - 1083
Опубликована: Окт. 28, 2024
The
present
study
holds
significant
implications,
as
it
aims
to
investigate
the
comparative
effect
of
biochar,
zeolite,
and
bentonite
minerals
on
stabilization
Ni
fractions,
bioaccumulation,
translocation
indices,
reduction
in
their
absorption
by
pakchoi
smelter-
mine-contaminated
soils.
results,
which
are
great
interest,
showed
that
maximum
fresh
dry
biomasses
were
observed
up
28.21
18.43%
for
smelter-polluted
soil
61.96
67.90%
amended
with
zeolite
compared
control.
Applying
increased
chlorophyll
SPAD
values
1.17-fold
smelter
1.26-fold
mine-polluted
soil.
highest
immobilization
mine
was
at
76.8
85.38%
application
bentonite,
pH
CEC.
reduced
residual,
oxidizable,
acid-soluble
but
biochar
reducible
fraction
shoot
root
noted
82.08
68.28%
77.25
89.61%
control
Overall,
has
been
concluded
can
be
successfully
used
mitigate
concentration
reduce
uptake
vegetable
crops.
Язык: Английский