Toxicology Reports,
Год журнала:
2024,
Номер
14, С. 101844 - 101844
Опубликована: Дек. 12, 2024
The
surge
in
plastic
production
has
spurred
a
global
crisis
as
pollution
intensifies,
with
microplastics
and
nanoplastics
emerging
notable
environmental
threats.
Due
to
their
miniature
size,
these
particles
are
ubiquitous
across
ecosystems
pose
severe
hazards
they
ingested
bioaccumulate
within
organisms.
Although
reached
an
alarming
400.3
MTs,
recycling
efforts
remain
limited,
only
18.5
MTs
being
recycled.
Currently,
out
of
the
total
waste,
49.6
%
is
converted
into
energy,
27
recycled,
23.5
recovered
material,
indicating
need
for
better
waste
management
practices
combat
escalating
levels.
Research
studies
on
micro-nanoplastics
have
primarily
concentrated
presence
laboratory-based
toxicity
studies.
This
review
critically
examines
sources
detection
methods
micro-nanoplastics,
emphasising
toxicological
effects
ecological
impacts.
Organisms
like
zebrafish
rats
serve
key
models
studying
particle's
bioaccumulative
potential,
showcasing
adverse
that
extend
DNA
damage,
oxidative
stress,
cellular
apoptosis.
Studies
reveal
can
permeate
biological
barriers,
including
blood-brain
barrier,
neurological
imbalance,
cardiac,
respiratory,
dermatological
disorders.
These
health
risks,
particularly
relevant
humans,
underscore
urgency
broader,
real-world
beyond
controlled
laboratory
conditions.
Additionally,
discusses
innovative
energy-harvesting
technologies
sustainable
alternatives
utilisation,
valuable
energy-deficient
regions.
strategies
aim
simultaneously
address
energy
demands
mitigate
waste.
approach
aligns
sustainability
goals,
providing
promising
avenue
both
reduction
generation.
calls
further
research
enhance
techniques,
assess
long-term
impacts,
explore
solutions
integrate
recovery
mitigation,
especially
regions
most
affected
by
shortages
increased
Environmental Technology & Innovation,
Год журнала:
2024,
Номер
35, С. 103729 - 103729
Опубликована: Июнь 26, 2024
The
interaction
between
microplastics
(MPs)
and
pollutants
is
crucial
for
assessing
the
environmental
risk
of
MPs.
It
necessary
to
pay
attention
adsorption/desorption
behavior
antibiotics
on
MPs
due
their
potential
role
in
antibiotic
resistance.
When
MPs-loaded
are
ingested
by
organisms,
they
enter
gastrointestinal
tract
undergo
desorption,
leading
corresponding
toxic
effects.
Existing
literature
primarily
focuses
adsorption
behavior,
while
there
a
lack
systematic
generalizations
desorption
or
combined
effects
organisms.
Therefore,
this
article
provides
review
mechanisms,
biological
tract.
Desorption
suggests
that
characteristics
(aging
hydrophobicity)
components
fluid
(digestive
enzyme
species
pH)
can
also
have
effect
desorption.
Moreover,
summarizes
induced
MPs-antibiotics,
demonstrating
either
enhance
reduce
plants,
microorganisms,
aquatic
animals.
Since
methodological
uniformity
relevance
natural
environment
main
shortcomings
existing
literature,
future
research
should
focus
actual
water
given
region
studying
at
gene,
protein,
metabolic
levels.
This
direction
expected
provide
valuable
references
insights
evaluating
antibiotics.
The Science of The Total Environment,
Год журнала:
2024,
Номер
944, С. 173745 - 173745
Опубликована: Июнь 5, 2024
Microplastics
(MPs)
pose
significant
environmental
pollution
problems
owing
to
their
diverse
properties
such
as
various
shapes,
sizes,
compositions,
surface
features,
and
levels
of
degradation.
Moreover,
interactions
with
toxic
chemicals
aging
processes
add
complexity
research.
This
study
investigated
the
adsorption
triphenyl
phosphate
(TPhP)
in
soil-only,
MP-only,
soil-MP
simulated
environments
under
different
conditions.
The
experiment
involved
three
phases:
initial
exposure
a
pH
5.5
fluorescent
light,
subsequent
introduction
ultraviolet
(UV)
radiation,
adjustment
4.0
7.0,
while
maintaining
UV
exposure,
each
lasting
7
days.
found
that
factors
affected
TPhP
sorption
capacity,
higher
observed
radiation
acidic
In
contrast,
MP-only
systems
showed
no
clear
trend
for
adsorption,
suggesting
kinetic
limitations.
When
MPs
were
added
soil,
dynamics
altered,
varying
capacities
MP
polymers
ATR-FTIR
spectroscopy,
micro-Raman
water
contact
angle
measurements
suggested
potential
photooxidation
changes
hydrophobicity
subjected
provides
valuable
insights
into
interplay
between
soil
properties,
characteristics,
determining
environments.
Industrial & Engineering Chemistry Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 15, 2025
This
study
investigates
the
harmful
effects
of
benzalkonium
chloride
(BZK)
in
aqueous
environments
and
proposes
adsorption
as
a
tertiary
treatment
method.
It
assesses
viability
scalability
this
approach,
focusing
on
sustainability
achieved
through
regeneration
solid
adsorbents.
The
toxic
BZK
were
evaluated
using
silico
toxicity
analysis
(quantitative
structure–activity
relationship
(QSAR)
tools).
In
batch
adsorption,
optimal
conditions
identified
by
varying
pH
(2–10),
contact
time
(0–180
min),
concentration
(0.5–2.5
g/100
mL)
conducting
kinetic,
isotherm,
thermodynamic
evaluations
(last
two
at
temperatures
15,
25,
40,
50
°C).
For
fixed-bed
flow
rate
0.6
L/min
bed
height
2
cm
used.
experimental
results
analyzed
Bayesian
statistics.
Thermal
adsorbent
was
conducted
300
550
°C
to
assess
reuse
potential.
Using
analysis,
it
revealed
that
has
moderate
toxicity,
being
highly
irritating
eyes
potentially
causing
skin
sensitization.
experiments,
for
removal
(83.7%)
natural
(∼8.1),
with
120
min
mL
granular
activated
carbon.
Kinetic
studies
pseudo-first-order
reaction,
while
equilibrium
data
fit
Sips
amalgamated
model,
suggesting
Langmuir
characteristics.
Thermodynamic
analyses
indicated
is
more
favorable
elevated
temperatures,
characterized
endothermic
spontaneous,
physisorption
dominant
mechanism.
efficiency
reached
74.2%
after
60
°C,
reaching
50%
5
cycles
operation.
Fixed-bed
trials
showcased
consistent
effectiveness
over
time,
displaying
superior
conformity
Log-Gompertz
framework,
contaminant
80
mg/L,
signifying
saturation
period
259
an
capability
1.499
mg/g,
rendering
them
apt
uninterrupted
operation
industrial
magnitude.
application
statistical
methods
further
enhances
reliability
empirical
data,
allowing
better
predictions
understanding
mechanisms.
research
not
only
reinforces
efficacy
viable
method
but
also
underscores
potential
combining
QSAR
advance
water
strategies.
The
escalating
global
demand
for
clean
water
has
propelled
research
into
sustainable
and
cost-effective
purification
methods.
Activated
carbon
(AC)
derived
from
biowaste
materials
presents
an
environmentally
friendly
economically
viable
solution
treatment.
This
review
article
provides
extensive
overview
of
the
synthesis
techniques,
characterization
methods,
applications
activated
(BAC)
purification.
It
discusses
diverse
sources
biowaste,
such
as
agricultural
residues,
food
waste,
biomass,
explores
various
activation
methods
including
physical,
chemical,
biological
processes.
Furthermore,
examines
adsorption
mechanisms,
performance
factors,
regeneration
strategies,
emerging
trends
in
BAC
application.
Insights
this
can
guide
future
endeavors
facilitate
development
technologies.