Case Studies in Chemical and Environmental Engineering,
Journal Year:
2024,
Volume and Issue:
9, P. 100699 - 100699
Published: March 22, 2024
Contamination
of
aquatic
resources
with
antibiotics
poses
a
threat
to
the
environment
and
human
health,
leading
increase
antimicrobial
resistance,
which
is
predicted
be
cause
death
by
2050.
Conventional
water
treatment
systems
are
often
ineffective
in
removing
implementation
more
efficient
methods,
such
as
photocatalysis,
an
important
step
forward
mitigate
this
problem.
Nanomaterials
have
shown
efficiency
photocatalysts
degradation
organic
pollutants,
due
their
high
surface
area/volume
ratio.
Among
these
nanomaterials
silver
nanoparticles,
easy
prepare,
low
cost,
good
performance
photocatalysis.
In
study,
nanospheres
(AgNSps)
nanoplates
(AgNPls)
were
prepared
for
contaminated
antibiotic
ciprofloxacin
(CIP),
under
simulated
sunlight
irradiation.
Results
revealed
that
all
AgNPs
photodegradation
CIP,
PBS
river
matrix,
achieved
higher
than
77
%
5
min
Moreover,
rate
constant
was
enhanced
presence
catalyst,
from
0.178
±
0.007
min−1
0.47
0.05
0.51
0.09
min−1,
AgNSps
AgNPls,
respectively,
water.
Thus,
work
demonstrates
promising
solar-driven
removal
water,
enabling
waters.
Socio-Economic Planning Sciences,
Journal Year:
2024,
Volume and Issue:
93, P. 101912 - 101912
Published: May 6, 2024
The
issue
of
environmental
security
in
the
context
sustainable
development
is
a
highly
topical
one,
being
intensively
studied
by
specialists
both
terms
its
impact
on
biodiversity
and
protection
non-renewable
resources,
economic
social
impact.
authors
aim
to
quantify
water
based
new
structural
equation
model
identify
changes
latent
variable
Water
Security
Index.
(WSI),
(ED)
(SD)
dynamics
over
period
2000–2022
for
27
EU
Member
States.
methodology
use
systems
Independent-Samples
Kruskal-Wallis
Test
influences
measures
indicators
assess
regional
disparities
policy
relation
development.
research
results
will
highlight
level
homogeneity
clusters
Europe
influence
this
approach
disparities.
study
significant
correlation
between
population
density,
pollution
levels
costs
associated
with
maintaining
quality.
shows
that
high
density
disproportionately
increase
financial
burden
quality
management.
In
addition,
analysis
highlights
ramifications
neglecting
sustainability
sources,
particularly
regions
experiencing
low
growth.
such
scenarios,
negative
intensifies,
highlighting
importance
practices.
allow
formulation
following
public
policies:
Standardization
national
management
framework
line
European
framework;
Establishment
organizations
monitor
safety
sources
health
local
population;
Continuation
innovations
field
environment
protection;
Promotion
responsibility
towards
aquatic
environment;
process
improving
governance.
are
useful
economic,
makers
optimise
strategies.
Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(3), P. 112985 - 112985
Published: May 7, 2024
This
study
aims
to
assess
the
electrochemical
generation
of
hydrogen
peroxide
and
hydroxyl
radicals
(⁎OH)
using
carbon
cathodes
synthesized
from
three
different
lignocellulosic
residues,
Phragmites
Australis
(PA),
Cladium
Mariscus
(CM)
Typha
Domingensis
(TD).
These
vegetal
species
are
commonly
used
in
natural
wetlands
phytoremediation
processes
can
accumulate
recalcitrant
pollutants
within
these
treatment
processes,
generating
a
waste
that
should
be
properly
managed.
To
convert
residues
into
valuable
materials,
they
underwent
hydrothermal
carbonization
(HTC)
followed
by
either
chemical
activation
with
KOH
or
pyrolysis
at
1000
ºC.
The
best
results
were
obtained
chemically
activated
yielding
maximum
H2O2
concentration
313
mg
L-1
cathode
produced
PA.
specific
surface
area,
oxygenated
functional
groups
presence
structural
defects
carbonous
structures,
key
parameters
related
good
performance
as
catalysts
towards
2e-
Oxygen
Reduction
Reaction
(ORR).
It
was
also
demonstrated,
comparison
previous
studies,
heavy
metals
structure
residue
enhanced
decomposition
⁎OH.
However,
degradation
model
organic
contaminant
methylene
blue
(MB),
it
shown
⁎OH
not
main
contributors
degradation,
direct
adsorption
on
materials
played
most
significant
role.
Therefore,
outstanding
capacity
for
electrogeneration
confirmed,
suggesting
their
potential
future
application
advanced
oxidation
water
decontamination.
Environmental Research Letters,
Journal Year:
2025,
Volume and Issue:
20(3), P. 033001 - 033001
Published: Jan. 15, 2025
Abstract
A
number
of
initiatives
attempt
to
delimit
the
safe
operating
space
(SOS)
for
human
pressures
on
Earth
system,
including
Planetary
Boundaries
framework.
In
some
cases,
data
describing
regional
status
are
spatially
aggregated
provide
a
global
assessment.
Several
aggregation
approaches
can
be
observed,
and
chosen
approach
may
impact
conclusions.
This
study
systematically
reviews
aggregating
environmental
boundaries
their
state
at
level
uses
case
compare
them,
aiming
highlight
assumptions
implications
show
how
inconsistent
affect
accuracy
comparability
boundary
states.
comprehensive
literature
review,
25
studies
dealing
with
spatial
occupation
SOS
43
associated
records
were
identified
categorized
according
five
types
adjustments
that
apply
across
approaches.
These
further
classified
as
high-
low-risk
based
value
judgments
regarding
precautionary
levels
accepted
transgressions.
Notably,
key
publications
multiple
use
different
boundaries,
potentially
introducing
biases.
The
application
these
revealed
choice
influence
resulting
substantially,
impacting
conclusions
whether
or
not
is
exceeded.
To
mitigate
biases
inconsistencies,
future
estimates
should
transparently
communicate
underlying
approach,
address
potential
inconsistencies
advance
our
understanding
propagation
mechanisms.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(3), P. 1469 - 1469
Published: Jan. 31, 2025
The
global
problem
of
water
scarcity
is
exacerbated
by
the
continued
contamination
potable
sources.
This
preliminary
study
investigates
potential
a
hazardous
industrial
jarosite
waste
to
adsorb
As(V)
and
Cr(III)
from
contaminated
waters.
results
showed
that
this
mining
effectively
adsorbed
both
Cr(III),
demonstrating
its
as
low-cost
sustainable
solution
for
remediation
along
with
use
also
contaminates.
adsorption
process
was
optimized,
effects
various
parameters
on
capacity
were
investigated.
findings
suggest
toxic
residues
in
porous
concrete
could
provide
promising
approach
removal
heavy
metals
polluted
sources,
contributing
development
more
environmentally
friendly
treatment
technologies.
A
maximum
90.6%
96.3%
achieved,
it
verified
initially
contained
about
0.44%
As,
which
later
leached
during
decomposition;
again,
able
re-adsorb
Cr(III).