Heliyon,
Год журнала:
2023,
Номер
10(1), С. e23139 - e23139
Опубликована: Дек. 9, 2023
This
work
presents
a
novel,
strong
and
efficient
adsorbent
(CS@TDI@EDTA@γ-AlO(OH))
prepared
through
the
green
process
using
three
components,
chitosan,
BNPs
EDTA
amide
ester
bridges.
An
eco-friendly
easy
approach
was
used
for
preparation
of
this
novel
adsorbent,
low
cost,
access
to
materials,
simplicity
method
are
some
interesting
advantages
work.
Also,
as
an
remove
diazinon
organophosphate
poison
tetracycline
antibiotic
from
aqueous
solutions.
In
order
confirm
structure,
CS@TDI@EDTA@γ-AlO(OH)
composite
investigated
by
various
analyses
including
FT-IR,
EDX,
XRD,
FESEM
TGA.
The
adsorption
behavior
removal
under
different
conditions
varying
concentration,
temperature,
dose,
pH
contact
time.
Based
on
tests,
highest
capacity
obtained
0.12
g/L
at
7
60
°C
with
40
mg/L
initial
concentration.
maximum
9
30
equilibrium
results
were
in
good
accordance
Langmuir
Freundlich
isotherm
models,
respectively.
capacities
1428.5
555.5
mg/g,
Also
kinetic
investigations
revealed
that
correlation
factor
(R2)
pseudo-second-order
model
0.9986
0.9988,
while
coefficient
k
(g/mg.min)
0.000084
0.0033,
These
indicate
is
kinetics
model.
Formation
hydrogen
bonds
between
adsorbate
well
high
specific
surface
area
porosity
main
mechanisms
contribute
process.
addition,
thermodynamic
studies
indicated
spontaneous
endothermic
expected
have
wide
range
applications
wastewater
treatment
thanks
its
reusability
water
compared
other
adsorbents.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
320, С. 100591 - 100591
Опубликована: Июль 11, 2024
Sustainable
accessibility
and
adequate
availability
of
healthy
water
are
preconditions
for
living
effective
uninterrupted
ecological
networking.
However,
the
presence
organic
pollutants
like
organochlorine
(OC)
organophosphorus
(OP)
compounds
in
environment
has
led
to
continuous
shrinkage
percentage
clean
available
humanity's
basic
needs.
Interestingly,
green
nanoparticles
biosynthesized
using
biogenic
entities
have
recently
emerged
as
an
appealing
choice
photocatalytic
degradation
a
wide
range
owing
their
eco-benignness.
Particularly,
iron-based
(BIBNPs)
demonstrated
unique
properties
such
ease
fabrication,
excellent
regenerability,
strong
redox
potential,
ability
absorb
visible
light,
produce
highly
reactive
oxygen
species
that
can
enhance
efficiency
low
aggregation
which
beneficial
remediation
contaminants.
The
BIBNPs
maintain
stability
reactivity
under
various
environmental
conditions
makes
them
promising
solution
cleanup
efforts.
This
review
aims
critically
report
empirically
juxtapose
iron
oxide
NPs
spectrum
OC
OP
aquatic
environments.
work
also
generously
elucidates
potential
eco-benign
recyclable
photocatalysts
complete
mineralization
OP.
study
pragmatically
expounded
mechanism
presented
frontiers
future
research
directions
circular
economy,
financial
analysis,
artificial
intelligence
integration,
hybrid
technology.
It
was
discovered
most
prevalent
end
products
were
CO2
H2O,
least
amount
time
needed
just
five
minutes,
plant
extract
widely
used
bio-reductant
bio-fabrication
BIBNPs.
greatest
found
be
100
%
is
testament
superior
efficacy
Environmental Challenges,
Год журнала:
2022,
Номер
9, С. 100630 - 100630
Опубликована: Окт. 6, 2022
This
study
investigated
the
valorisation
of
Delonix
regia
stem
wastes
for
thermal
energy
and
material
recovery.
Using
a
retort
heated
carbonization
reactor,
waste
biomass
was
thermochemically
converted
to
biochar
via
method.
The
proximate
analyses
feedstock
determined,
result
showed
that
it
is
made
up
moisture
content,
ash
fixed
carbon,
volatile
matter
4.48
±
0.15,
5.39
0.18,
23.0
0.60,
67.11
0.87,
respectively.
A
yield
26.57
wt%
achieved
at
maximum
temperature
500
°C
heating
period
90
min.
raw
generated
were
characterized
determine
porous
nature,
surface
area,
functional
groups,
stability
samples.
With
respective
specific
areas
211
356
m2/g,
are
both
mesoporous
have
pore
diameters
>
2
nm
but
<
50
nm.
biochar's
existence
like
OH
C
=
O,
as
determined
by
FTIR
analysis
points
its
potential
use
soil
amendment
adsorbent
removing
pollutants
from
water.
has
degradation
390
compared
biomass's
340
°C.
