Abstract
In
this
work,
nitrogen‐doped
graphene
nanosheets
(NGS)
were
synthesized
to
remove
diclofenac
sodium
(DFS)
from
water.
The
NGS
exhibited
99.8
%
removal
efficiency,
adsorption
capacity
of
278
mg
g
−1
for
DFS
within
30
min,
and
excellent
reusability
up
5
cycles
adsorption.
experimental
data
fit
well
with
pseudo‐second
order
kinetic
model
Langmuir
isotherm
model.
X‐ray
photoelectron
spectroscopy
(XPS)
FTIR
studies
revealed
that
the
carboxylic
group,
triazine
graphitic‐N,
pyridinic‐N
groups
involved
in
DFS.
adaptive
neuro‐fuzzy
inference
system
(ANFIS)
was
modeled
accurate
prediction
optimizing
parameters
maximum
adsorptive
(%)
by
NGS.
A
subsequent
cytotoxicity
assay
on
a
green
alga
Chlamydomonas
sp.
signified
non‐toxic
nature.
This
study
suggests
be
promising
economic
adsorbent
water
remediation
resource‐poor
environments
fulfill
“UN‐Sustainable
Development
Goal‐
6”.
Journal of Molecular Liquids,
Год журнала:
2024,
Номер
410, С. 125513 - 125513
Опубликована: Июль 14, 2024
The
contamination
of
natural
water
resources
by
pharmaceutical
pollutants
has
become
a
significant
environmental
concern.
Traditional
experimental
approaches
for
understanding
the
adsorption
behavior
these
contaminants
on
different
surfaces
are
often
time-consuming
and
resource-intensive.
In
response,
this
review
article
explores
powerful
combination
in
silico
techniques,
including
molecular
dynamics
(MD),
Monte
Carlo
simulations
(MC),
quantum
mechanics
(QM),
as
comprehensive
toolset
to
obtain
broad
perspectives
into
pollutants.
By
bridging
multiple
scales,
from
molecular-level
interactions
macroscopic
impact,
computational
methods
offer
holistic
processes
involved.
We
provide
an
overview
their
ecological
effects,
emphasizing
need
efficient
sustainable
solutions.
Subsequently,
we
delve
theoretical
foundations
MD,
MC,
QM,
highlighting
respective
strengths
simulating
pollutant
adsorption.
Moreover,
synergistic
potential
combining
methodologies
is
also
discussed
more
characterization
processes.
Recent
case
studies
illustrate
successful
application
techniques
predicting
behaviors
various
conditions.
Finally,
implications
discussed,
along
with
how
modelling
can
guide
solutions
mitigating
impact.
Water,
Год журнала:
2023,
Номер
15(3), С. 476 - 476
Опубликована: Янв. 25, 2023
Pharmaceuticals
are
widely
used
in
Africa
due
to
the
high
burden
of
human
and
animal
diseases.
However,
a
review
current
practices
pollution
risks
arising
from
disposal
pharmaceuticals
low-income
settings
is
still
lacking.
Therefore,
present
examined
literature
address
following
questions:
(1)
what
key
factors
driving
accumulation
unused
expired
pharmaceuticals?,
(2)
for
pharmaceuticals,
wastewater
(feces
urine)
containing
excreted
(3)
potential
environmental
health
hazards
posed
by
practices?,
(4)
research
needs
on
settings?
Evidence
shows
that,
settings,
comprising
predominantly
feces
urine
often
end
up
on-site
sanitation
systems
such
as
pit
latrines,
septic
tanks,
environment
case
open
defecation.
Unused
disposed
household
solid
waste,
and/or
burned.
The
poorly
understood,
but
pharmaceutical
groundwater
sources,
including
those
drinking
water
supply,
may
occur
via
strong
hydrological
connectivity
between
latrines
systems.
Potential
high-risk
exposure
hotspots
discussed.
compared
other
compartments,
occurrence,
dissemination,
fate,
latrine-groundwater
continuum
understudied.
Future
directions
discussed
these
gaps
using
Source-Pathway-Receptor-Impact-Mitigation
(SPRIM)
an
organizing
framework.
