Case Studies in Chemical and Environmental Engineering,
Journal Year:
2023,
Volume and Issue:
8, P. 100495 - 100495
Published: Sept. 22, 2023
Heavy
metal
pollution
is
a
serious
environmental
problem
that
poses
threat
to
human
health
and
the
environment.
Water
by
toxic
heavy
metals
major
cause
of
this
problem,
it
can
destroy
ecosystems,
spread
disease,
make
drinking
water
unsafe.
Biochar
promising
green
adsorbent
for
removing
from
water.
It
derived
various
biomasses,
including
agricultural
organic
wastes,
has
high
carbon
content,
surface
area,
stability.
These
properties
enable
biochar
effectively
remove
through
cation
exchange
adsorption.
This
review
summarizes
recent
advances
in
modification
enhanced
adsorption
metals.
discusses
advantages,
applications,
challenges,
prospects
method.
Biochar-based
advanced
oxidation
processes
(AOPs)
have
shown
promise
decomposition
complexes
enhancement
capacity
free
ions
industrial
wastewater.
The
also
highlights
research
gaps
limitations
remediation
proposes
future
directions.
Future
should
focus
on
developing
environmentally
friendly
cost-effective
technologies
scaling
up
biochar-based
removal
applications.
Scheme
1
illustrates
overall
summarized
presentation
article
as
graphical
abstract.
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.
Environment International,
Journal Year:
2023,
Volume and Issue:
173, P. 107819 - 107819
Published: Feb. 13, 2023
Agriculture-related
manufactured
nano-objects
(MNOs)
can
revolutionize
the
crop
production
and
help
to
achieve
sustainable
development
goals.
MNOs
with
diverse
physico-chemical
properties
ability
encapsulate
deliver
active
ingredients
in
controlled,
targeted
stimuli
responsive
manner
enhance
efficiency
while
minimizing
collateral
damage
non-target
organisms
environment.
Application
of
form
nanopesticides
nanofertilizers
is
known
affect
soil
microbial
communities
both
positively
negatively,
but
detailed
studies
varying
dose,
type
environmental
conditions
are
scarce.
Therefore,
it
imperative
understand
complex
mechanisms
factors
which
shape
MNOs-microbial
interactions
through
integrating
state
art
technologies
including
omics
(transcriptomics,
metabolomics,
proteomics),
artificial
intelligence,
statistical
frameworks.
Lastly,
we
propose
idea
MNOs-mediated
manipulation
microbiome
modify
for
improved
services.
These
services,
if
harnessed
appropriately,
modern
agriculture
achieving
Environmental Chemistry and Ecotoxicology,
Journal Year:
2024,
Volume and Issue:
6, P. 92 - 103
Published: Jan. 1, 2024
The
multifunctional
properties
of
biochar
make
it
a
promising
adsorbent
heavy
metals
for
environmental
bioremediation.
Pyrolytic
temperature
is
key
factor
that
impacts
the
properties,
performance,
and
mechanisms
agro-wastes-derived
because
physiochemical
transformation
its
structural
composition.
It
has
been
deliberated
increased
pyrolysis
temperatures
strongly
enhance
specific
surface
area,
pH,
high
microporosity
as
well
carbon
ash
content
with
low
cation
exchange
capacity
volatiles
content.
reason
different
from
related
to
variations
in
lignin-cellulose
structures
moistures
agro-waste
biomasses.
Biochar
considered
low-cost
material
shown
convenient
applicability
rural
areas
developing
countries
where
contamination
emerging.
A
wide
range
pyrolytic
distinctive
characteristics
biomass
their
capacities
remove
metals.
Higher
can
exhibit
higher
areas,
enhanced
functional
groups,
stability
than
modified
biochar.
Different
exhibited
diverse
adsorption
on
such
rice
husk
corncob,
efficiency
increases
selective
hexavalent
chromium
[Cr(VI)],
cadmium
[Cd(II)]
zinc
[Zn(II)].
This
review
aimed
understand
pristine
bioremediation
biomasses
obtained
decision
making
process
production
costs.
authors
propose
future
investigations
metal
immobilization
unlock
full
potential
Land,
Journal Year:
2023,
Volume and Issue:
12(8), P. 1580 - 1580
Published: Aug. 10, 2023
This
literature
review
explores
the
assessment
of
biochar
quality
and
its
impact
on
soil
properties
using
diffuse
reflectance
spectroscopy.
Biochar,
a
product
biomass
pyrolysis,
is
recognized
for
positive
effects
fertility
carbon
sequestration.
emphasizes
need
systematic
research
stability
highlights
potential
spectroscopy
analyzing
soil–biochar
interactions.
Biochar
acts
as
conditioner,
improving
physical,
chemical,
biological
enhancing
crop
yield.
Furthermore,
it
aids
in
mitigating
climate
change
by
sequestering
dioxide.
However,
long-term
behavior
interactions
with
various
factors
require
further
field
optimal
utilization,
aging
process
complex,
involving
that
influence
agroecosystem.
also
importance
studying
interaction
between
microbes,
plays
crucial
role
plant
resistance
to
pathogens.
this
limited.
VIS-NIR
valuable
tool
monitoring
application
soil.
Nevertheless,
controversial
results
highlight
intricate
biochar,
soil,
environmental
conditions.
