Chemie Ingenieur Technik,
Journal Year:
2024,
Volume and Issue:
96(6), P. 813 - 818
Published: April 18, 2024
Abstract
The
hydrolytic
depolymerization
of
poly(ethylene
terephthalate)
(PET)
fibers
with
solid
sodium
hydroxide
was
investigated.
study
presents
an
innovative
recycling
approach
for
the
recovery
virgin‐quality
terephthalic
acid
(TA)
from
textile
blends
consisting
PET
and
elastane
fibers.
were
depolymerized
5
min
at
140
°C.
An
internal
mixer
served
as
investigation
platform
experiments.
quality
TA
is
quantified
based
on
its
color
value.
Both
polyester
recovered
are
not
impaired
by
presence
up
to
15
%
in
blends.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(27)
Published: July 3, 2024
Globally,
less
than
0.5%
of
postconsumer
textile
waste
is
recycled,
with
the
majority
incinerated
or
ending
up
in
landfills.
Most
textiles
are
mixed
fibers,
complicating
mechanical
recycling
due
to
material
blends
and
contaminants.
Here,
we
demonstrate
chemical
conversion
using
microwave-assisted
glycolysis
over
a
ZnO
catalyst
followed
by
solvent
dissolution.
This
approach
electrifies
process
heat
while
allowing
rapid
depolymerization
polyester
spandex
their
monomers
15
minutes.
A
simple
dissolution
enables
separation
cotton
nylon.
We
assess
quality
all
components
through
extensive
characterization,
discuss
potential
for
sustainable
recycling,
provide
techno-economic
analysis
economic
feasibility
process.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(5), P. 628 - 628
Published: Feb. 26, 2025
The
growing
environmental
impact
of
textile
waste,
fueled
by
the
rapid
rise
in
global
fiber
production,
underscores
urgent
need
for
sustainable
end-of-life
solutions.
This
review
explores
cutting-edge
pathways
waste
management,
spotlighting
innovations
that
reduce
reliance
on
incineration
and
landfilling
while
driving
material
circularity.
It
highlights
advancements
collection,
sorting,
pretreatment
technologies,
as
well
both
established
emerging
recycling
methods.
Smart
collection
systems
utilizing
tags
sensors
show
great
promise
streamlining
logistics
automating
pick-up
routes
transactions.
For
automated
technologies
like
near-infrared
hyperspectral
imaging
lead
way
accurate
scalable
separation.
Automated
disassembly
techniques
are
effective
at
removing
problematic
elements,
though
other
pretreatments,
such
color
finish
removal,
still
to
be
customized
specific
streams.
Mechanical
is
ideal
textiles
with
strong
mechanical
properties
but
has
limitations,
particularly
blended
fabrics,
cannot
repeated
endlessly.
Polymer
recycling-through
melting
or
dissolving
polymers-produces
higher-quality
recycled
materials
comes
high
energy
solvent
demands.
Chemical
recycling,
especially
solvolysis
pyrolysis,
excels
breaking
down
synthetic
polymers
polyester,
potential
yield
virgin-quality
monomers.
Meanwhile,
biological
methods,
their
infancy,
natural
fibers
cotton
wool.
When
methods
not
viable,
gasification
can
used
convert
into
synthesis
gas.
concludes
future
hinges
integrating
sorting
advancing
solvent-based
chemical
technologies.
These
innovations,
supported
eco-design
principles,
progressive
policies,
industry
collaboration,
essential
building
a
resilient,
circular
economy.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(2), P. 299 - 299
Published: Jan. 13, 2025
The
textile
industry’s
rapid
growth
and
reliance
on
synthetic
fibres
have
generated
significant
environmental
pollution,
highlighting
the
urgent
need
for
sustainable
waste
management
practices.
Chemical
recycling
offers
a
promising
pathway
to
reduce
by
converting
used
into
valuable
raw
materials,
yet
technical
challenges
remain
due
complex
compositions
of
waste,
such
as
dyes,
additives,
blended
fabrics.
Russian Chemical Reviews,
Journal Year:
2025,
Volume and Issue:
94(3), P. RCR5155 - RCR5155
Published: March 1, 2025
The
presence
of
microplastics
(MPs)
in
the
environment
is
a
highly
relevant
and
aggravating
environmental
problem,
which
concern
not
only
for
specialists
various
fields
but
also
everyone
who
cares
about
future
Earth.
ever-increasing
production
polymers
expanding
use
plastic
products
enlarged
MP
concentrations
Earth's
ecosystem.
need
to
control
accumulation
spread
MPs
caused
by
current
crisis
where
no
microplastic-free
areas
have
remained
on
number
studies
dealing
with
existing
potential
threat
living
organisms
from
consumption
increasing
every
year.
aim
this
review
systematize
available
information
occurrence
briefly
describe
main
types
polymer
materials
acting
as
sources
mechanisms
formation
transport
environment.
hazardous
behaviour
analyzed
considering
their
impact
physiology
aquatic
soil
organisms.
Special
emphasis
demonstrating
adverse
effect
emissions
3D
printing
materials.
An
overview
methods
capture
given
facilitate
analysis
development
more
reliable
removal
disposal.
As
result
review,
we
assess
long-term
human
health
consequences
exposure.
Understanding
formation,
lifecycle
environment,
ways
interaction
will
controlling
design
implementation
effective
techniques
remediation
prevent
ecological
consequences.
<br>The
bibliography
includes
244
references.
Global Challenges,
Journal Year:
2025,
Volume and Issue:
9(4)
Published: March 13, 2025
Abstract
Synthetic
textile
production
is
a
major
contributor
to
global
waste
growth,
phenomenon
exacerbated
by
population
growth
and
increased
consumption.
Global
fiber
expected
reach
147
million
tons
2030.
New
insights
into
recycling
solutions
are
being
developed.
For
example,
progress
has
been
made
in
fibers
such
as
polyester,
including
polyethylene
terephthalate
(PET),
through
the
use
of
enzymes
that
can
break
specific
bonds
return
material
its
original
state.
However,
this
process
must
be
carried
out
according
nature
polymer
question.
In
addition,
mixing
different
synthetic
dyes
make
it
difficult
develop
complete
separates
returns
them
their
raw
material.
This
review
focuses
on
two
types
widely
used
industry,
Nylon
or
polyamide
(PA)
elastane
(Spandex
Lycra),
explores
challenges
opportunities
associated
with
recycling.
Processes,
Journal Year:
2025,
Volume and Issue:
13(4), P. 1165 - 1165
Published: April 11, 2025
The
enzymatic
hydrolysis
process
is
important
in
the
field
of
textile
waste
reuse
circular
economy
context.
Currently,
cellulase
treatment
textiles,
such
as
bamboo
mixture
with
spandex
samples
(BS),
cotton
jeans
(CJ),
linen
(L),
and
T-shirts
(CT),
has
been
tested,
which
glucose
production
was
measured
at
presence
6
8%
NaOH
solution.
characteristics
textiles
capacity
were
evaluated
by
amount
(g)
obtained
from
each
textile.
following
indicators
also
during
experiment:
temperature,
pH,
solution
composition,
final
concentrations,
turbidity,
color
intensity.
temperature
maintained
50
°C,
a
pH
level
5–7
along
contact
time
48–94
min
controlled.
experiments
demonstrated
that
when
active,
turbidity
increased
86
nephelometric
unit
(NTU)
to
>1000
NTU;
hydrolyzed
NTU
concentration
approximately
between
0.49
33.9
mmol/L
for
L,
CT,
CJ
produce
up
one
gram
3.330
g
textile,
BS
produced
3.164
findings
show
recycled
materials
environmentally
sustainable.
Such
can
then
be
reused
rather
than
being
dumped
already
overloaded
landfills.
Polymers,
Journal Year:
2023,
Volume and Issue:
15(15), P. 3324 - 3324
Published: Aug. 7, 2023
Textile
waste
has
emerged
as
a
critical
global
challenge,
with
improper
disposal
practices
leading
to
adverse
environmental
consequences.
In
response
this
pressing
issue,
there
is
growing
interest
in
recycling
textile
containing
cellulose
an
alternative
approach
reducing
the
impact
of
industrial
on
environment.
The
objective
research
investigate
extraction
and
characterization
nanocellulose
from
polyester-cotton
potential
solution
address
concerns
management
industry.
To
obtain
nanocellulose,
comprehensive
process
involving
alkaline
sodium
hydroxide
(NaOH)
treatment
(35%
PET
65%
cotton)
was
employed,
resulting
average
yield
percentages
ranging
62.14%
71.21%.
achieve
complete
hydrolysis
polyester
blends,
second
optimized
condition
cotton
fiber
65.06
wt%,
relatively
close
theoretical
yield.
Subsequently,
obtained
cellulosic
material
underwent
acid
using
70
percent
(v/v)
sulfuric
(H2SO4)
at
45
°C
for
90
min,
nanocellulose.
Centrifugation
15,000
rpm
15
min
facilitated
separation
yielded
56.26
wt%
conditions.
carried
out
utilizing
array
techniques,
including
absorption,
transmission,
reflection
spectra,
Fourier
transform
infrared.
results
provide
valuable
insights
into
unique
properties
extracted
waste.
research,
mixed
PVA
silver
nanoparticle
form
biodegradable
film
composites
reinforcement.
comparison,
PVA:nanocellulose
9.5:0.5
0.3
glycerol
plasticizer
exhibits
better
tensile
strength
(2.37
MPa)
elongation
(214.26%)
than
normal
cellulose.
prepared
homogeneous
had
smooth
surface
without
internal
defect
confirmed
by
CT
scan.
This
result
opens
avenues
enhancing
quantities
eco-friendly
composites,
potentially
replacing
conventional
plastic
films
future.
IntechOpen eBooks,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 3, 2025
In
this
chapter,
we
explore
the
vast
potential
of
Portuguese
agroforestry
biomass
as
a
sustainable
source
valuable
biomolecules.
Focusing
on
extraction,
characterization,
and
valorization
compounds,
such
polysaccharides,
phenolics,
essential
oils
from
native
species
like
carob,
cork
oak,
aromatic
plants
or
maritime
pine,
highlight
their
applications
in
food,
pharmaceutical,
innovative
bio-based
materials.
Emphasis
is
placed
eco-friendly
extraction
techniques
functionalization
methods
to
enhance
physicochemical
properties
different
biomolecules,
thus
expanding
applicability
commercial
relevance.
By
highlighting
unexploited
diversity
biomass,
can
pave
way
for
an
and,
platform
that
not
only
drive
economic
growth
but
also
preserve
biodiversity,
reduce
waste,
ensure
greener
more
prosperous
future.
Polymers,
Journal Year:
2025,
Volume and Issue:
17(6), P. 748 - 748
Published: March 12, 2025
The
significant
waste
generated
by
the
fashion
industry
necessitates
sustainable
textile
recycling
strategies.
Polyester,
made
from
poly(ethylene
terephthalate)
(PET),
is
abundant
in
post-consumer
textiles.
Technologies
have
been
developed
to
convert
low-density
garment
into
flakes,
but
role
of
color
sorting
achieving
uniform
aesthetics
injection-moldable
plastics
remains
underexplored.
This
study
compares
materials
extruded
dark
color-sorted
polyester
flakes
with
those
light-color
terms
processability
extrusion
and
injection
molding.
properties
examined
include
melt
fluidity,
molding
shrinkage,
mechanical
thermal
properties.
Commercial
chain
extenders
anhydride,
oxazoline,
or
epoxide
reactive
groups
were
added
during
extrusion.
Interestingly,
only
dark-colored
pellets
showed
degradation,
all
allowed
fluidity
be
controlled
reprocessing.
bisoxazoline-based
additive
was
most
promising,
due
highly
improved
ductility
samples,
regardless
whether
they
light-colored.
results
indicate
potential
for
industrial
textiles
highlight
feasibility
repurposing
garments.
approach
not
supports
initiatives
circular
economy
also
offers
a
viable
solution
managing
waste,
particularly
industry.
Additionally,
suggested
route
combats
production
microplastics.