Arabian Journal of Chemistry,
Journal Year:
2022,
Volume and Issue:
15(10), P. 104169 - 104169
Published: Aug. 6, 2022
Analgesic
consumption
increased
significantly
during
the
COVID-19
pandemic.
A
high
concentration
of
this
kind
drug
is
discarded
in
urine,
reaching
effluents
rivers,
lakes,
and
seas.
These
medicines
have
brought
serious
problems
for
flora
and,
especially,
ecosystems'
fauna.
This
paper
presents
results
removing
diclofenac,
ibuprofen,
paracetamol
an
aqueous
solution,
using
Sargassum
spp.
from
Caribbean
coast.
The
study
consisted
mixing
each
solution
with
functionalized
spp
a
container
under
constant
agitation.
Therefore,
work
represents
alternative
to
solve
two
biggest
recent
years;
first,
reduction
overpopulation
sargassum
through
its
use
remediation
environment.
Second
removal
waste
used
excessively
Liquid
samples
were
taken
at
intervals
10
min
analyzed
by
fluorescence
determine
drug.
sorption
capacity
was
2.46,
2.08,
1.41
μg/g,
corresponding
98
%,
84
54
%
removal,
respectively.
three
drugs
notably
favored
increasing
temperature
30
40
°C,
efficiencies
close
100
%.
Moreover,
system
maintains
effectiveness
various
pH
values.
In
addition,
can
be
reused
up
cycles
without
reducing
capacity.
wide
diversity
organic
compounds
favors
biosorption
drugs,
them
kinetic
mechanisms.
On
other
hand,
X-ray
diffraction,
FTIR
spectroscopy,
TGA
analysis,
scanning
electron
microscopy
before
after
removal.
showed
evident
modification
structure
morphology
algae
demonstrated
presence
biosorbed
drugs.
sustainable,
simple,
economical,
environmentally
friendly,
highly
efficient,
scalable
domestic
industrial
level
that
aquatic
environments.
Critical Reviews in Environmental Science and Technology,
Journal Year:
2023,
Volume and Issue:
53(23), P. 2030 - 2054
Published: May 11, 2023
The
increasing
consumption
of
antiepileptic
drugs
(AEDs)
has
led
to
their
widespread
presence
in
aquatic
environments,
which
poses
a
serious
threat
human
health
and
organisms.
However,
there
is
currently
lack
review
provide
basic
data
research
directions
for
future
scholars.
This
article
was
carried
out
summarize
toxicity,
analytical
methods,
concentrations,
transformation
mechanisms
fate
AEDs
metabolites/transformation
products
environments
according
existing
literature.
were
widely
found
surface
water,
groundwater
drinking
water
with
concentrations
from
ng
L−1-μg
L−1.
at
environmentally
relevant
have
affected
ecosystem,
partial
could
commonly
cause
the
damage
antioxidant
capacity
some
always
direction
oxidation,
hydroxylated
ketonizated
conductive
objectives
three
pathways
including
body,
microorganisms
treatment
processes
as
difference
also
observed.
supposed
dominate
concentration
distribution
phase
than
sediment
due
chemical
properties.
Furthermore,
photolysis
main
process
photic
zone
receiving
waters.
Meanwhile,
current
deficiencies
are
pointed
out.
It
mainly
reflected
insufficient
toxicity
incomplete
products,
will
underestimate
environmental
hazards.
Finally,
that
more
attention
should
be
paid
identifying
combining
analysis
nontarget
analysis.
Journal of environmental chemical engineering,
Journal Year:
2023,
Volume and Issue:
11(3), P. 110130 - 110130
Published: May 16, 2023
A
coupled
bio-electrochemical
treatment
was
designed
by
combining
a
microalgae-based
system
with
an
electro-oxidation
(EO)
process
for
removing
pharmaceutical
compounds
in
real
urban
wastewater.
First,
preliminary
study
carried
out
at
bench
scale
to
identify
the
best
configuration
treatment,
which
involved
determining
whether
EO
should
be
used
as
pre
or
post-treatment
of
system.
The
results
showed
that
using
provided
removal
most
pharmaceuticals,
average
58.8%
compared
47.7%
obtained
pre-treatment.
Based
on
these
results,
high
rate
algal
pond
(HRAP)
followed
pilot
scale.
evaluated
Boron
Doped
Diamond
electrode
anode
and
cathode
(BDD/BDD
cell)
current
density
between
20
30
mA
cm-2
electrolysis
time
one
hour.
This
efficiencies
above
80%
hypolipidemic,
analgesics
anti-inflammatory
drugs.
However,
antiepileptic
drugs
lowest
36.8
69.1%.
It
is
noteworthy
carbamazepine
10,11-Dihydro-10,11-dihydroxycarbamazepine
(CBZ-Diol)
almost
five
times
HRAP
alone.
Overall,
proved
efficient
studied
compounds.
pre-treatment
reduced
presence
organic
inorganic
load
77.4%,
allowing
remove
more
recalcitrant
target
contaminants.
Emerging contaminants,
Journal Year:
2024,
Volume and Issue:
10(4), P. 100371 - 100371
Published: May 16, 2024
Pharmaceutically
active
compounds
(PhACs)
are
widely
used
in
medical
treatments
but
pose
risks
to
ecosystems
and
human
health
when
present
the
environment.
Understanding
their
fate
nature
is
complex
influenced
by
various
factors.
Phototransformation,
where
PhACs
change
chemically
upon
light
exposure,
offers
potential
for
reducing
environmental
levels.
Studying
this
process
crucial
understanding
risks,
developing
safe
disposal
strategies,
innovating
removal
methods
mitigate
adverse
effects.
This
review
delves
into
major
factors
influencing
transformation
of
under
natural
conditions.
It
provides
a
comprehensive
analysis
mechanisms
involved
photochemical
activity
PhACs,
shedding
on
behavior
exposure
sunlight.
Special
attention
given
delineating
differences
phototransformation
processes
among
13
pharmaceutical
classes.
By
examining
PhAC
elucidating
mechanisms,
aims
contribute
deeper
pharmaceuticals
Such
insights
invaluable
effective
strategies
posed
contamination
safeguarding
health.
Applied Water Science,
Journal Year:
2024,
Volume and Issue:
14(6)
Published: May 13, 2024
Abstract
Organoclays
have
been
used
as
efficient
adsorbents
for
pharmaceutical
pollutants
present
in
waters.
Carbamazepine
(CBZ)
is
one
of
the
drugs
most
frequently
found
water
bodies.
In
this
study,
four
organoclays
were
prepared
by
modifying
bentonite
with
cationic
surfactants
hexadecyltrimethylammonium
bromide
(HDTMA)
and
octadecyltrimethylammonium
bromide.
The
synthesized
materials
characterized
XRD,
CHN,
FTIR,
TG,
BET
SEM
analyses,
confirming
organophilization.
interspersed
different
arrangements
interlayer
space.
CBZ
sorption
was
investigated
through
batch
equilibrium
experiments,
under
variation
pH,
contact
time,
dosage
adsorbent,
initial
drug
concentration.
Changes
pH
showed
no
adsorption
influence.
followed
a
pseudo-second-order
kinetics.
best
performance
obtained
BCN1-HDTMA
100
clay,
capacity
34.34
±
1.41
mg
g
−1
,
about
ten
times
greater
than
unmodified
same
conditions.
This
may
be
attributed
to
higher
surfactant
content.
isotherm
at
25
ºC
linear
behavior.
Toxicity
tests
corresponding
medium
presence
carried
out.
novelty
report.
Most
had
toxicity
against
Artemia
salina
.
after
adsorptive
treatment
eliminated.
Organoclay-CBZ
hybrids
also
adsorption.
FTIR
TG
analyzes
confirmed
incorporation
drug.
Hydrophobic
interaction
dominant
contribution
evaluated
CBZ.
results
demonstrated
that
can
promising
alternative
adsorbent
removal
remediation.
