Current Opinion in Green and Sustainable Chemistry,
Journal Year:
2024,
Volume and Issue:
46, P. 100882 - 100882
Published: Jan. 21, 2024
The
study
explores
the
essential
role
of
Life
Cycle
Assessment
(LCA)
in
assessing
environmental
sustainability
impacts
biochar
as
a
green
sorbent
soil
remediation.
Recent
studies
from
2021
to
2023
underscore
biochar's
potential
for
global
warming
mitigation
and
carbon
sequestration.
review
discusses
various
concerns
related
biochar-to-soil
LCA,
including
its
effects
on
heavy
metals
pesticides
soils,
necessity
additional
research
application
frequency
pollutant
sorption,
real/different
stocks,
variability
properties,
limited
long-term
studies,
health
implications,
incomplete
assessment
dynamics,
considering
different
production
methods
surface
albedo.
Advocating
LCAs
other
sorbents,
such
low-cost
clay,
chitosan,
nano-sorbents,
is
essential.
Additionally,
integration
multiple
remediation
techniques
proposed
enhance
overall
efficiency
practices.
Biomass Conversion and Biorefinery,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 24, 2024
Abstract
The
purpose
of
this
work
is
to
study
the
efficiency
lead
ions
removal
via
adsorption
onto
created
solid
nanomaterials.
Three
adsorbents
were
synthesized
as
cellulose
nanoparticles
(CN)
extracted
from
plant
loofah
sponge
using
alkali
treatment
and
acid
hydrolysis
techniques,
chitosan
beads
(CZ),
nanoparticles/chitosan
composite
(CZC).
generated
investigated
TGA,
N
2
adsorption/desorption,
ATR-FTIR
spectroscopy,
SEM,
TEM,
XRD,
pH
PZC
.
Based
on
our
findings,
CZC
had
a
7.2,
larger
specific
surface
area
(645.3
m
/g),
total
pore
volume
(0.372
cm
3
/g).
batch
was
well-fitted
by
pseudo-second
order,
Elovich,
Langmuir,
Temkin,
Dubinin-Radushkevich
all
samples.
Cellulose
highest
Langmuir
capacity
(221.104
mg/g)
at
47°C,
120
min
shaking
time,
g/L
adsorbent
dose,
6.5.
Nitric
desorption
percentage
(92%).
thermodynamic
investigation
revealed
that
ion
endothermic,
favorable,
spontaneous,
physisorption.
Our
findings
showed
has
high
rapid
kinetics,
indicating
its
potential
for
employment
in
water
treatment.
