International Journal of Chemical Engineering and Materials,
Год журнала:
2024,
Номер
3, С. 101 - 131
Опубликована: Ноя. 29, 2024
In
this
study,
the
maximum
polyethylene
terephthalate
(PET)
nanoplastics
(NPs)
removal
efficiency
was
investigated
under
optimum
conditions
by
using
various
experimental
parameters
to
improve
Ni-Cu-C
NCs
in
an
activated
sludge
solution.
The
effect
of
increasing
pH
values
(4.0,
5.0,
6.0,
7.0
and
8.0),
adsorption
times
(30
min,
60
90
min
120
min),
different
adsorbent
concentrations
(100
mg/l,
200
300
mg/l
400
mg/l)
PET
NPs
(1
5
10
15
on
yields
process
during
process.
characteristics
synthesized
were
assessed
XRD,
FTIR,
FESEM,
EDX
HRTEM
analyses.
ANOVA
statistical
analysis
used
for
all
samples.
order
remove
with
as
high
99.20%
99.42%
via
adsorption;
concentration,
time,
temperature
should
be
at
25oC,
respectively.
Adsorption
process;
it
is
easily
applicable,
environmentally
friendly
economical
method.
Polymer-Plastics Technology and Materials,
Год журнала:
2024,
Номер
unknown, С. 1 - 40
Опубликована: Ноя. 1, 2024
One
of
the
polymers
with
biggest
production
volume
is
poly(vinyl
chloride)
(PVC)
considering
their
versatility,
durability,
lightweight,
as
well
low
cost
production,
plastics
have
recently
become
an
essential
part
everyone's
daily
life.
However,
increased
and
usage
poses
significant
environmental
problems
because
incomplete
utilization,
a
lengthy
biodegradation
period,
detrimental
effects
on
living
things.
This
study
examines
latest
findings
in
PVC
research,
including
its
properties,
polymerization,
modification,
recycling,
diverse
applications.
It
has
been
proposed
that
during
along
application
both
inorganic
organic
thermal
stabilizers,
can
mitigate
some
basic
limiting
characteristics
PVC.
chemistry
extended
by
vast
continuous
study,
mainly
chemical
transformations
this
polymeric
material.
describes
modification
using
different
materials
active
modifying
agent.
The
latter
included
substitutions,
modifications,
nucleophilic
radicals,
removal
or
dehydrochlorination,
grafting
polymerizations.
PVC's
consequences
are
examined,
overview
functionalization
provided
article,
discussion
main
reactivity
trends
lens
recycling.
Sustainability,
Год журнала:
2024,
Номер
16(17), С. 7455 - 7455
Опубликована: Авг. 28, 2024
Effective
waste
management
is
a
matter
of
global
concern.
The
utilization
widely
recognized
materials,
such
as
plastics,
rubber,
and
glass,
in
the
construction
industry
being
investigated
for
their
cost
efficiency,
enhanced
material
properties,
reduced
environmental
impact,
contributing
to
broader
sustainability
efforts.
This
study
investigates
development
an
engineered
geopolymer
composite
with
focus
on
by
utilizing
industrial
materials.
Gamma-irradiated
polyethylene
terephthalate
was
employed
partial
replacement
silica
sand,
while
graphene
nanoplatelets
were
incorporated
enhance
properties
reduce
waste.
A
statistical
technique
known
response
surface
methodology
used
optimize
effects
gamma-irradiated
composite.
Key
findings
indicate
that
terephthalate,
higher
crystallinity
robust
interfacial
bonding
matrix,
significantly
enhances
compressive
strength,
elastic
modulus,
flexural
toughness.
However,
nanoplatelets,
improving
mechanical
ductility
index.
Optimal
achieved
26.4%
0.12%
nanoplatelets.
research
underscores
potential
creating
high-performance,
sustainable
materials
highlights
trade-offs
between
reinforcement
ductility.
Future
should
explore
chain
scission
gamma
irradiation
further
investigate
mechanisms
ductility,
advancing
