The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
892, P. 164720 - 164720
Published: June 9, 2023
This
study
aimed
to
investigate
the
potential
of
three
bioamendments
(rice
husk
biochar,
wheat
straw
and
spent
mushroom
compost)
enhance
microbial
degradation
crude
oil
in
saline
soil.
A
soil
microcosm
experiment
was
conducted,
comparing
response
microorganisms
under
(1
%
NaCl)
non-saline
conditions.
The
soils
were
amended
with
different
at
varying
concentrations
(2.5
or
5
%),
rates
monitored
over
a
120-day
period
20
°C.
results
showed
that
significantly
influenced
total
petroleum
hydrocarbons
(TPH)
both
by
67
18
respectively.
Non-saline
exhibited
approximately
four
times
higher
TPH
biodegradation
compared
soils.
Among
bioamendments,
rice
biochar
compost
had
greatest
impact
on
soil,
while
combined
most
significant
effects
also
revealed
facilitated
changes
community
structure,
particularly
treatments
biochar.
Actinomycetes
fungi
found
be
more
tolerant
salinity,
especially
Additionally,
production
CO2,
indicating
activity,
highest
(56
60
%)
combining
treatment
(50
highest.
Overall,
this
research
demonstrates
application
compost,
can
effectively
These
findings
highlight
such
as
green
sustainable
solutions
for
pollution,
context
climate
change-induced
impacts
high-salinity
soils,
including
coastal
Journal of Hazardous Materials,
Journal Year:
2023,
Volume and Issue:
455, P. 131575 - 131575
Published: May 6, 2023
Contaminant
containment
measures
are
often
necessary
to
prevent
or
minimize
offsite
movement
of
contaminated
materials
for
disposal
other
purposes
when
they
can
be
buried
left
in
place
due
extensive
subsurface
contamination.
These
include
physical,
chemical,
and
biological
technologies
such
as
impermeable
permeable
barriers,
stabilization
solidification,
phytostabilization.
is
advantageous
because
it
stop
contaminant
plumes
from
migrating
further
allow
pollutant
reduction
at
sites
where
the
source
inaccessible
cannot
removed.
Moreover,
unlike
options,
do
not
require
excavation
substrates.
However,
regular
inspections
monitor
mobilization
migration.
This
review
critically
evaluates
sources
persistent
contaminants,
different
approaches
remediation,
various
physical-chemical-biological
processes
containment.
Additionally,
provides
case
studies
operations
under
real
simulated
field
conditions.
In
summary,
essential
preventing
contamination
reducing
risks
public
health
environment.
While
periodic
monitoring
necessary,
benefits
make
a
valuable
remediation
option
methods
feasible.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
924, P. 171435 - 171435
Published: March 2, 2024
The
harmful
effects
of
microplastics
(MPs)
pollution
in
the
soil
ecosystem
have
drawn
global
attention
recent
years.
This
paper
critically
reviews
MPs
on
microbial
diversity
and
functions
relation
to
nutrients
carbon
cycling.
Reports
suggested
that
both
plastisphere
(MP-microbe
consortium)
MP-contaminated
soils
had
distinct
lower
than
non-contaminated
soils.
Alteration
physicochemical
properties
interactions
within
facilitated
enrichment
plastic-degrading
microorganisms,
including
those
involved
(C)
nutrient
conferred
a
significant
increase
relative
abundance
nitrogen
(N)-fixing
phosphorus
(P)-solubilizing
bacteria,
while
decreased
nitrifiers
ammonia
oxidisers.
Depending
types,
increased
bioavailable
N
P
contents
nitrous
oxide
emission
some
instances.
Furthermore,
regulated
functional
activities
owing
combined
toxicity
organic
inorganic
contaminants
derived
from
frequently
encountered
environment.
However,
thorough
understanding
among
other
still
needs
develop.
Since
currently
available
reports
are
mostly
based
short-term
laboratory
experiments,
field
investigations
needed
assess
long-term
impact
(at
environmentally
relevant
concentration)
microorganisms
their
under
different
types
agro-climatic
conditions.
The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
914, P. 169585 - 169585
Published: Dec. 27, 2023
Biochar
can
be
used
for
multifunctional
applications
including
the
improvement
of
soil
health
and
carbon
storage,
remediation
contaminated
water
resources,
mitigation
greenhouse
gas
emissions
odorous
compounds,
feed
supplementation
to
improve
animal
health.
A
healthy
preserves
microbial
biodiversity
that
is
effective
in
supressing
plant
pathogens
pests,
recycling
nutrients
growth,
promoting
positive
symbiotic
associations
with
roots,
improving
structure
supply
nutrients,
ultimately
enhancing
productivity
growth.
As
a
amendment,
biochar
assures
biological
through
different
processes.
First,
supports
habitats
microorganisms
due
its
porous
nature
by
formation
stable
micro-aggregates.
also
serves
as
nutrient
source.
alters
physical
chemical
properties,
creating
optimum
conditions
diversity.
immobilize
pollutants
reduce
their
bioavailability
would
otherwise
inhibit
However,
depending
on
pyrolysis
settings
feedstock
comprised
contaminants
polycyclic
aromatic
hydrocarbons
potentially
toxic
elements
activity,
thereby
impacting
Environmental Technology & Innovation,
Journal Year:
2023,
Volume and Issue:
30, P. 103056 - 103056
Published: Feb. 10, 2023
Fluoride
(F−)
contamination
in
water
is
a
global
health
concern,
threatening
the
well-being
of
millions.
This
study
investigated
role
ZnCl2/FeCl
3-rice
husk-modified
biochar
(Zn-BC
and
Zn/Fe-BC)
treating
F−-contaminated
surface
groundwater
under
influence
varying
solution
chemistry,
co-existing
ions,
biochar-amended
through
column
transport
experiments.
Modified
showed
maximum
F−
adsorption,
99.01%
91.90%
using
Zn/Fe-BC
Zn-BC,
respectively,
than
85.87%
raw
(R-BC).
Raw/modified
biochars
were
characterized
with
FESEM-EDAX,
FTIR,
XRD,
particle
size,
area,
electro-kinetic
potential,
point
zero
charge
analyses.
Langmuir
pseudo-second-order
kinetic
could
explain
that
F−-biochar
interactions
are
dominated
by
chemisorption
at
ambient
temperature
while
physisorption
higher
temperatures.
The
salt
concentrations
co-occurring
ions
reduced
sorption
Zn/Fe-BC.
Increased
strengths
led
to
electrophoretic
mobility
particles,
i.e.,
biochar-biochar
particles
attract
each
other
increase
hydrodynamic
diameter,
which
ultimately
reduces
active
sites
on
for
fluoride
adsorption.
Co-transport
deposition
saturated
porous
media
revealed
lower
biochar,
adsorption
was
observed
10
mM
strength.
Biochar
governed
electrostatic
interactions,
whereas
mainly
occurs
chemisorption.
In
rural
areas,
hand
pumps
generally
applied
drinking
cooking;
thus,
biochar-mediated
sand
columns
can
be
utilized
defluoridation.
Thus,
as
potential
bio-adsorbent
natural
optimum
preparation
treatment
costs.
