Results in Engineering,
Journal Year:
2024,
Volume and Issue:
23, P. 102401 - 102401
Published: June 13, 2024
In
recent
years,
numerous
studies
have
emerged
on
the
application
of
biosorbents
for
dyes
removal
from
wastewater.
Chitosan,
a
derivative
chitin,
is
particularly
effective
as
flocculant
this
purpose.
study,
purified
chitin
was
subjected
to
physicochemical
evaluation
based
FESEM,
FTIR,
XRD,
and
TGA
well
deacetylation
step.
The
unique
characteristics
isolated
using
NADES
enhance
its
suitability
efficient
higher
conversion
chitosan
compared
with
organic
solvents.
1D,
solvent,
displayed
complex,
convex
structure,
like
honeycomb,
whereas
exhibited
more
fibrous
irregular
structure.
data
indicated
that
extracted
BSF
pupae
α-chitin
FTIR
spectra
matching
closely
commercial
chitin.
Chitin
solvent
demonstrated
crystallinity
thermal
stability
than
NADES.
trends
decreasing
acetylation
increasing
obtained
in
all
studied
samples
were
indicators
successfulness
reaction.
X-ray
diffraction
profiles
verified
presence
relative
crystalline
indexes
ranged
80
86
%.
This
study
provides
green
facile
approach
extraction
sustainable
properties
are
comparable
solvent.
Multiple
analytical
methods
employed
successfully
can
be
effectively
pupae,
those
published
literature
samples.
Journal of Nanobiotechnology,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 10, 2024
Abstract
Environmental
pollution
is
a
major
issue
that
requires
effective
solutions.
Nanomaterials
(NMs)
have
emerged
as
promising
candidates
for
remediation
due
to
their
unique
properties.
This
review
paper
provides
systematic
analysis
of
the
potential
NMs
environmental
compared
conventional
techniques.
It
elaborates
on
several
aspects,
including
and
advanced
techniques
removing
pollutants,
classification
(organic,
inorganic,
composite
base).
The
efficiency
in
pollutants
depends
dispersion
retention,
with
each
type
NM
having
different
advantages
disadvantages.
Various
synthesis
pathways
NMs,
traditional
(chemical
physical)
biological
pathways,
mechanisms
reaction
removal
using
such
adsorption,
filtration,
disinfection,
photocatalysis,
oxidation,
also
are
evaluated.
Additionally,
this
presents
suggestions
future
investigation
strategies
improve
efficacy
remediation.
research
so
far
strong
evidence
could
effectively
remove
contaminants
may
be
valuable
assets
various
industrial
purposes.
However,
further
development
necessary
fully
realize
potential,
exploring
new
improving
retention
environment.
Furthermore,
there
need
compare
types
remediating
specific
pollutants.
Overall,
highlights
immense
mitigating
calls
more
direction.
Graphical
Environmental Science and Pollution Research,
Journal Year:
2024,
Volume and Issue:
31(39), P. 51064 - 51097
Published: Aug. 7, 2024
Water
is
an
indispensable
resource
for
human
activity
and
the
environment.
Industrial
activities
generate
vast
quantities
of
wastewater
that
may
be
heavily
polluted
or
contain
toxic
contaminants,
posing
environmental
public
health
challenges.
Different
industries
with
widely
varying
characteristics,
such
as
quantity
generated,
concentration,
pollutant
type.
It
essential
to
understand
these
characteristics
select
available
treatment
techniques
implementation
in
facilities
promote
sustainable
water
usage.
This
review
article
provides
overview
wastewaters
generated
by
various
commonly
applied
techniques.
The
advantages,
disadvantages
physical,
chemical,
biological
methods
are
presented.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(5), P. 559 - 559
Published: Feb. 20, 2025
The
search
for
sustainable
and
efficient
remediation
techniques
is
required
to
control
increasing
environmental
pollution
caused
by
synthetic
dyes,
heavy
metal
ions,
other
harmful
pollutants.
From
this
point
of
view,
natural
polymers
like
chitosan,
cellulose,
lignin,
pectin
have
been
found
highly
promising
due
their
biodegradability,
availability,
possibility
chemical
functionalization.
Natural
possess
inherent
adsorption
properties
that
can
be
further
enhanced
cross-linking
surface
activation.
This
review
discusses
the
main
properties,
mechanisms,
functional
groups
such
as
hydroxyl,
carboxyl,
amino
responsible
pollutant
sequestration.
paper
also
emphasizes
effectiveness
in
removing
metals
dyes
from
wastewater
recent
advances
polymer
modifications,
including
ionic
crosslinking
grafting.
study
underlines
ecological
potential
polymer-based
adsorbents
treatment
protection
environment
a
solution
challenges.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Jan. 12, 2024
In
this
study,
a
split-type
photocatalytic
membrane
reactor
(PMR),
incorporating
suspended
graphitic
carbon
nitride
(g-C3N4)
as
photocatalyst
and
layered
polymeric
composite
(using
polyamide,
polyethersulfone
polysulfone
polymers)
was
fabricated
to
remove
tetracycline
(TC)
from
aqueous
solutions
the
world's
second
most
used
discharged
antibiotic
in
wastewater.
The
synthesised
melamine
by
ultrasonic-assisted
thermal
polymerisation
method
and,
along
with
membrane,
characterised
using
various
methods,
including
Brunauer-Emmett-Teller
analysis
(BET),
Fourier-transform
infrared
spectroscopy
(FTIR),
X-ray
diffraction
(XRD),
Field
emission
scanning
electron
microscopy
(FESEM),
Ultraviolet-visible
(UV-Vis).
PMR
process
optimised,
Design-Expert
software
for
removal
terms
of
UV
irradiation
time,
pH,
loading,
concentration,
separation
iteration.
It
revealed
that
membrane-integrated
sustainable
system
could
effectively
produce
clean
water
simultaneous
solution.
maximum
94.8%
obtained
at
concentration
22.16
ppm,
pH
9.78
0.56
g/L
time
113.77
min
after
six
times
passing
membrane.
showed
reasonable
reusability
about
25.8%
drop
TC
efficiency
seven
cycles
optimal
conditions.
outcomes
demonstrate
promising
performance
proposed
suggest
it
can
be
scaled
an
effective
approach
supply
antibiotic-free
water.
Desalination and Water Treatment,
Journal Year:
2024,
Volume and Issue:
318, P. 100331 - 100331
Published: April 1, 2024
The
utilization
of
agriculture
waste-based
adsorbents
in
the
treatment
real
industrial
wastewater
represents
an
unexplored
frontier
with
significant
potential.
In
this
study,
cobalt
ferrite-supported
activated
carbon
derived
from
orange
peels
(CF40-AC)
was
used
as
a
magnetic
adsorbent
for
pulp
and
paper
mill
effluent
(PPME).
Detailed
insights
into
properties
functionalities
CoFe2O4-AC
were
obtained
through
accurate
characterization
analysis
that
included
X-ray
Diffraction
(XRD),
Fourier
Transform
Infrared
Spectroscopy
(FTIR),
Transmission
Electron
Microscopy
(TEM),
Scanning
(SEM),
Energy
Dispersive
(EDX),
BET
pore
size
histogram
techniques.
Both
pure
(AC)
CF40-AC
displayed
excellent
textural
surface
area
(SBET)
equal
2014
1345
m2.g-1,
respectively.
TEM
SEM
images
display
ferrites
well
dispersed
on
AC.
Following
process,
evaluated
its
ability
to
remove
several
key
pollutants
PPME,
including
chemical
oxygen
demand
(COD),
total
dissolved
solids
(TDS)
turbidity.
Moreover,
various
operational
parameters,
such
pH,
dosage,
contact
time,
stirring
rate,
investigated
achieve
optimal
contaminants
removal
rates.
Remarkably,
demonstrated
highly
efficient
rates,
86.9%,
59,9%
93.1%
COD,
TDS
turbidity,
respectively,
under
conditions
(pH
7,
dose
0.4
gm,
time
60
min,
rate
150
rpm).
composite
material
exhibits
promising
potential
multiple
applications
reached
5
cycles
without
loss
adsorption
or
functional
over
successive
uses.
These
results
favor
sustainable
solution
addressing
challenges
industry,
contributing
both
environmental
protection
resource
conservation.
