Discover Chemical Engineering,
Год журнала:
2024,
Номер
4(1)
Опубликована: Июнь 24, 2024
Abstract
To
achieve
complete
elimination
of
anthropogenic
micropollutants
in
aquatic
environments,
advanced
oxidation
processes
are
intensively
researched
as
remedies
and
potential
purification
stages
wastewater
treatment
facilities.
Persalts,
like
persulfates,
percarbonates
periodates,
have
been
investigated
accelerators
or
enhancers
these
processes.
This
short
review
provides
an
overview
the
efficiency
persalts
demonstrated
for
degradation
seven
most
frequently
occurring
pharmaceuticals
environment:
carbamazepine,
ciprofloxacin,
diclofenac,
ibuprofen,
metoprolol,
paracetamol
sulfamethoxazole.
While
persulfates
were
commonly
used,
all
increase
effectiveness
pharmaceutical
contaminants
by
increasing
formation
hydroxyl
radicals,
especially
case
sodium
percarbonate.
Persalts
efficiently
activated
through
UVC
irradiation.
The
generated
radicals
main
factor
product
hence
dominate
chemical
structures
transformation
products.
From
ecotoxicological
perspective,
use
causes
little
no
hazard,
if
conditions
such
that
acidification
can
be
neglected.
they
transformed
to
stable
anions
on
reaction,
resulting
products
predicted
quantitative
structure
activity
relation
analysis
possess
lower
ecotoxicity
than
initial
drugs.
Plants,
Год журнала:
2023,
Номер
12(3), С. 589 - 589
Опубликована: Янв. 29, 2023
Tiny
aquatic
plants
from
the
Lemnaceae
family,
commonly
known
as
duckweeds,
are
often
regarded
detrimental
to
environment
because
of
their
ability
quickly
populate
and
cover
surfaces
bodies
water.
Due
rapid
vegetative
propagation,
duckweeds
have
one
fastest
growth
rates
among
flowering
can
accumulate
large
amounts
biomass
in
relatively
short
time
periods.
high
yield
valuable
ease
harvest,
be
used
feedstock
for
biofuels,
animal
feed,
other
applications.
Thanks
efficient
absorption
nitrogen-
phosphate-containing
pollutants,
play
an
important
role
restorative
ecology
water
reservoirs.
Moreover,
compared
species,
duckweed
species
ecotypes
demonstrate
exceptionally
adaptivity
a
variety
environmental
factors;
indeed,
remove
convert
many
contaminants,
such
nitrogen,
into
plant
biomass.
The
global
distribution
tolerance
ammonia,
heavy
metals,
stresses
major
factors
highlighting
potential
use
purifying
agricultural,
municipal,
some
industrial
wastewater.
In
summary,
powerful
tool
bioremediation
that
reduce
anthropogenic
pollution
ecosystems
prevent
eutrophication
simple,
inexpensive
ecologically
friendly
way.
Here
we
review
using
phytoremediation
several
pollutants:
mineral
nitrogen
phosphorus,
various
organic
chemicals,
metals.
The Science of The Total Environment,
Год журнала:
2023,
Номер
906, С. 167319 - 167319
Опубликована: Сен. 23, 2023
Groundwater
is
an
important
source
for
drinking
water
supply,
agricultural
irrigation
and
industrial
uses
in
the
Middle
East
North
Africa
region.
Due
to
growing
need
groundwater
use,
quality
studies
on
presence
of
contaminants
emerging
concern
(CECs)
pesticides
have
gained
attention.
The
Wadi
El
Bey
one
most
polluted
areas
Tunisia.
However,
very
limited
data
CECs
infiltration
into
aquifers
has
been
described,
comparison
industrialized
countries
where
contamination
comprehensively
addressed.
To
gain
early
insight
potential
contamination,
wells
northeast
Tunisia,
area
with
high
population
density
intensive
activity
were
sampled
during
two
seasons
analyzed
resolution
mass
spectrometry
approaches:
target
suspect
screening.
latter
was
used
screening
banned
pesticides.
A
selection
116
which
19
are
transformation
products
(TPs)
20
previously
prioritized
by
screened
samples.
results
showed
69
1
TP
at
concentrations
per
well,
ranging
between
43
7384
ng
L-1
7.3
80
L-1,
respectively.
Tunisian
do
not
differ
from
those
countries.
WWTPs
considered
main
pollution,
classes
detected
analgesics,
antihypertensives
artificial
sweeteners
especially
caffeine,
salicylic
acid
ibuprofen
found
be
ubiquitous.
Regarding
pesticides,
triazines
herbicides
carbamates
insecticides
pose
highest
due
their
ubiquitous
presence,
leachability
them
toxicity.
environmental
risk
assessment
(ERA)
highlighted
that
ibuprofen,
propoxur
may
environment,
consequently,
non-target
organisms.
This
study
provides
occurrence
ERA
analysis
groundwater.
Toxics,
Год журнала:
2023,
Номер
11(12), С. 966 - 966
Опубликована: Ноя. 29, 2023
In
recent
years,
there
has
been
growing
concern
about
antibiotic
contamination
in
water
bodies,
particularly
the
widespread
presence
of
fluoroquinolones
(FQs),
which
pose
a
serious
threat
to
ecosystems
due
their
extensive
use
and
phenomenon
"pseudo-persistence".
This
article
provides
comprehensive
review
literature
on
FQs
summarizing
analyzing
levels
global
surface
over
past
three
as
well
bioaccumulation
metabolism
patterns
aquatic
organisms,
ecological
toxicity,
influencing
factors.
The
results
show
that
is
across
surveyed
32
countries,
with
ciprofloxacin
norfloxacin
being
most
heavy
contaminants.
Furthermore,
are
generally
higher
developing
developed
countries.
It
observed
compound
types,
species,
environmental
factors
influence
bioaccumulation,
metabolism,
toxicity
organisms.
tend
accumulate
more
organisms
lipid
content,
experiments
have
shown
exhibit
highest
bacteria
weakest
mollusk.
summarizes
analyzes
current
research
status
shortcomings
FQs,
providing
guidance
theoretical
support
for
future
directions.
Environmental Research,
Год журнала:
2024,
Номер
251, С. 118565 - 118565
Опубликована: Март 1, 2024
This
study
endeavors
to
develop
cost-effective
environmentally
friendly
technology
for
removing
harmful
residual
pharmaceuticals
from
water
and
wastewater
by
utilizing
the
effective
adsorption
of
pistachio
shell
(PS)
biochar
degradation
potency
laccase
immobilized
on
(L@PSAC).
The
carbonatization
activation
shells
were
optimized
regarding
temperature,
time,
NH4NO3/PS
ratio.
step
yielded
an
optimum
PS
(PSAC)
with
highest
porosity
surface
area
treated
at
700
°C
3
h
using
ratio
3%
wt.
immobilization
onto
PSAC
(L@PSAC)
was
its
best
level
pH
5,
60
U/g,
30
°C.
L@PSAC
maintained
a
high
enzyme
activity
over
two
months.
Almost
complete
removal
(>99%)
diclofenac,
carbamazepine,
ciprofloxacin
in
Milli-Q
(MQ)
achieved.
Adsorption
responsible
>80%
rest
facilitated
degradation.
≥60%
up
six
treatment
cycles
underscoring
promising
application
this
material
treatment.
These
results
indicate
that
activated
carbon
derived
could
potentially
be
utilized
as
carrier
adsorbent
efficiently
remove
pharmaceutical
compounds.
enzymatic
physical
elimination
approach
has
potential
used
large-scale.
Ecotoxicology and Environmental Safety,
Год журнала:
2025,
Номер
291, С. 117829 - 117829
Опубликована: Фев. 1, 2025
Globally,
roughly
more
than
400
million
metric
tons
of
plastics
are
produced
annually.
Similarly,
the
pharmaceuticals
business
is
rising
exponentially
yearly,
5.8
%.
It
expected
to
increase
from
USD
714
billion
1454
by
2029.
Beyond
their
intended
uses,
these
substances
released
into
environment
as
contaminants
due
improper
usage
and
management
practices.
Therefore,
microplastics
(MPs)
classified
emerging
pollutants
(EPs),
existence
in
agricultural
ecosystems
adversely
affects
soil
environmental
health,
ultimately
impacting
both
ecological
human
well-being.
Pharmaceuticals
MP-loaded
organic
amendments
(especially
manure)
a
primary
cause
pollutants.
The
increasing
application
treated
wastewater
or
biosolids
irrigation
water
conditioners,
mainly
when
derived
untreated
sewage
sludge,
can
introduce
MPs
farmlands,
merging
within
medium.
co-occurrence
leads
prolonged
presence
gradual
bioaccumulation
organisms
over
time,
contributing
persistent
contamination
long-lasting
effects
on
ecosystems.
Moreover,
EPs
have
potential
alter
composition
biogeochemistry
disrupt
overall
health
productivity.
Numerous
methods
been
developed
address
this
issue,
including
electrochemical
degradation,
advanced
oxidation
processes,
photocatalytic
biosurfactants,
micro-
nano-bubble
systems,
ultrasonic
cavitation,
nanotechnology,
constructed
wetlands,
many
hybrid
approaches.
This
review
explores
extent
EPs,
interactions,
strategies
EPs-contaminated
environments.
Ecotoxicology and Environmental Safety,
Год журнала:
2023,
Номер
259, С. 115024 - 115024
Опубликована: Май 17, 2023
The
occurrence
of
PPCPs
in
aquatic
environments
and
their
potential
adverse
effects
on
organisms
have
raised
worldwide
concerns.
To
address
this
issue,
a
study
was
conducted
to
analyze
137
selected
Korean
surface
waters,
an
optimized
risk-based
prioritization
performed.
results
revealed
that
120
were
detected,
with
98
quantified
at
concentrations
ranging
from
few
ng/L
42,733
for
metformin.
95%
upper
confidence
limit
(UCL95)
the
mean
value
measured
environmental
concentration
(MEC)
Metformin
about
eight
times
higher
than
second
highest
compound,
dimethyl
phthalate,
indicating
antidiabetic
groups
had
among
therapeutic
groups.
An
then
assessed
based
multiplication
two
indicators,
Frequency
Exceedance
Extent
Predicted
No-Effect
Concentrations
(PNECs),
which
can
be
calculated
using
traditional
risk
quotient
(RQ)
approach.
found
clotrimazole
17.4,
high
organisms,
seven
13
compounds
showing
RQ
values
above
1
0.1,
respectively.
After
considering
frequency
exceedance,
still
novel
(RQf)
99.6%
its
MECs
exceeding
PNECs.
However,
number
RQf
decreased
five,
cetirizine
flubendazole
being
excluded.
Furthermore,
only
10
exhibited
0.1.
also
observed
significant
differences
between
exposure-based
methods,
five
compounds,
cetirizine,
olmesartan,
climbazole,
sulfapyridine,
imidacloprid,
identified
both
methods.
This
finding
highlights
importance
multiple
methods
prioritizing
chemicals,
as
different
approaches
may
yield
results.