Royal Society of Chemistry eBooks,
Год журнала:
2024,
Номер
unknown, С. 133 - 177
Опубликована: Ноя. 8, 2024
The
presence
of
emerging
pollutants
in
water,
including
pesticides,
cosmetics,
pharmaceuticals,
and
unregulated
compounds,
has
raised
serious
concerns
due
to
their
potential
harm
human
health
the
environment,
even
at
low
concentrations.
Traditional
wastewater
treatment
methods
struggle
completely
eliminate
these
pollutants,
necessitating
innovative
solutions.
This
chapter
investigates
critical
role
carbon-based
nanomaterials,
such
as
activated
carbon
nanoparticles,
nanodiamonds,
fullerenes,
graphene
its
oxides,
quantum
dots,
nanotubes
nanofibers,
aerogel,
addressing
challenge
pollutant
removal.
Carbon
nanomaterials
are
highlighted
for
exceptional
surface
properties,
adaptability,
large
area,
adjustable
structural
modifications,
high
chemical
stability,
making
them
ideal
candidates
removal
pollutants.
is
expected
pave
way
towards
offering
novel
prospects
increasing
utilization
it
may
serve
a
comprehensive
resource
researchers,
policymakers,
seeking
address
pressing
issue
water
enhance
protection
our
vital
resources
public
well-being.
Environmental Technology & Innovation,
Год журнала:
2024,
Номер
34, С. 103624 - 103624
Опубликована: Апрель 2, 2024
Microplastics
made
of
polystyrene
sulfonate
microplastics
(PSMPs)
are
highly
mobile
in
aquatic
ecosystems
and
can
consequently
lead
to
undesirable
health
effects
humans.
Herein,
the
adsorption
capacity
PSMPs
was
comprehensively
analyzed
using
untreated
biochar
from
ground
walnut
shells
(WSB)
iron
(Fe)
engineered
WSB
acquired
Fe-mining
waste
(Fe-WSB),
explore
changes
potential
mechanisms
by
co-pyrolysis
Fe-rich
mine
tailings.
The
for
Fe-WSB
(adsorption
(Qe)
=
0.77–6.75
mg
g-1)
greater
than
that
(Qe
0.27–0.79
g-1),
particularly
at
lower
pH
levels,
indicating
Fe
integration
electrostatic
interaction
between
significantly
affected
PSMPs.
R2
values
kinetics
isotherms
highlighted
chemisorption
plays
a
fundamental
role
PSMP
liquid
solutions.
Further,
thermodynamic
assessments
indicated
PSMP210
(210
Da),
PSMP10K
(10,000
PSMP32K
(32,000
Da)
were
adsorbed
exothermically,
with
efficiency
decreasing
as
van
der
Waals
forces
became
weaker
high
temperatures.
results
X-ray
photoelectron
spectroscopy,
which
conducted
on
both
before
after
PSMPs,
supported
notion
an
enhancement
primary
mechanism
(electrostatic
interactions,
pore-filling
effects,
π-π
H-bond
interactions),
following
Fe-oxides
onto
surfaces,
improved
aqueous
environments.
Fırat Üniversitesi Mühendislik Bilimleri Dergisi,
Год журнала:
2024,
Номер
36(2), С. 913 - 922
Опубликована: Сен. 28, 2024
In
this
study,
it
was
aimed
to
remove
Oxytetracycline
(Oxy),
one
of
the
pharmaceutical
wastes,
with
powder
pine
tree
(Pinus
nigra
Arn.)
needle
waste
(Pn-nw).
Experimental
data
obtained
from
batch
adsorption
studies
carried
out
at
pH
5.0
±0.5
and
temperature
23±2oC
were
tested
Pseudo
first
order,
second
order
Intraparticle
diffusion
kinetic
models
Freundlich,
Langmuir
Temkin
isotherm
also
error
functions
(Error
Sum
Squares
(SSE),
Absolute
Errors
(SAE)
Average
relative
errors
(ARE)).
Furthermore,
support
Oxy
onto
Pn-nw's,
characterization
both
raw
charged
particles
done
by
Fourier
transform
infrared
spectroscopy
(FTIR)
scanning
electron
microscope
(SEM)
analyses.
The
most
appropriate
model
in
study
determined
be
an
R2
value
0.999
Freundlich
0.991.
Additionally,
amount
removed
per
unit
Pn-nw
(qmax)
calculated
as
30.35
mgOxy/gPn-nw.
results
show
that
is
a
very
promising
environmentally
friendly
adsorbent
for
removal.
Royal Society of Chemistry eBooks,
Год журнала:
2024,
Номер
unknown, С. 133 - 177
Опубликована: Ноя. 8, 2024
The
presence
of
emerging
pollutants
in
water,
including
pesticides,
cosmetics,
pharmaceuticals,
and
unregulated
compounds,
has
raised
serious
concerns
due
to
their
potential
harm
human
health
the
environment,
even
at
low
concentrations.
Traditional
wastewater
treatment
methods
struggle
completely
eliminate
these
pollutants,
necessitating
innovative
solutions.
This
chapter
investigates
critical
role
carbon-based
nanomaterials,
such
as
activated
carbon
nanoparticles,
nanodiamonds,
fullerenes,
graphene
its
oxides,
quantum
dots,
nanotubes
nanofibers,
aerogel,
addressing
challenge
pollutant
removal.
Carbon
nanomaterials
are
highlighted
for
exceptional
surface
properties,
adaptability,
large
area,
adjustable
structural
modifications,
high
chemical
stability,
making
them
ideal
candidates
removal
pollutants.
is
expected
pave
way
towards
offering
novel
prospects
increasing
utilization
it
may
serve
a
comprehensive
resource
researchers,
policymakers,
seeking
address
pressing
issue
water
enhance
protection
our
vital
resources
public
well-being.
