Chemical Valorization of Textile Waste: Advancing Sustainable Recycling for a Circular Economy
ACS Omega,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 19, 2025
As
textile
production
continues
to
grow
worldwide,
managing
the
mounting
waste
generated
by
this
industry
is
becoming
an
urgent
environmental
concern.
Globally,
over
92
million
tons
of
are
produced
annually,
much
which
incinerated
or
disposed
in
landfills,
contributing
greenhouse
gas
emissions,
soil
and
water
contamination,
ecosystem
harm.
This
review
explores
how
chemical
biotechnological
methods,
such
as
acid
hydrolysis
(achieving
up
70%
glucose
recovery)
enzymatic
recycling
(reducing
energy
consumption
approximately
20%
compared
conventional
methods),
can
transform
into
valuable
resources,
fostering
a
shift
toward
circular
economy
that
minimizes
reliance
on
virgin
materials.
However,
diverse
nature
waste─particularly
mixed
fibers
materials
treated
with
various
finishes
additives─adds
complexity
processes,
often
necessitating
specific
pretreatment
steps
ensure
both
efficiency
economic
viability.
Scalable
solutions
advanced
solvent
recovery
systems,
optimized
techniques,
fluidized-bed
pyrolysis
(which
increase
bio-oil
yields
25%
fixed-bed
reactors)
play
crucial
roles
making
more
sustainable
adaptable
at
industrial
scale.
By
addressing
these
technical
financial
challenges,
improve
sustainability
practices,
reducing
resilience.
also
suggests
several
future
directions
enhance
scalability
compatibility
goals,
highlighting
potential
for
technologies
create
secondary
support
greener
practices
management.
Through
continued
innovation
commitment
better
balance
resource
feasibility,
unlocking
substantial
opportunities
mitigate
impact
resource-efficient,
future.
Язык: Английский
Tailoring cellulose: from extraction and chemical modification to advanced industrial applications
International Journal of Biological Macromolecules,
Год журнала:
2025,
Номер
unknown, С. 142950 - 142950
Опубликована: Апрель 1, 2025
Язык: Английский
Sustainable Processing of Naturally Dyed Textiles Through Green Discharge Printing Techniques Using Taro Corms as a Bio-Oxidizing Agent
Опубликована: Апрель 24, 2025
Abstract
The
influence
of
the
textile
industry
on
environment,
as
well
usage
raw
materials
and
natural
resources,
is
becoming
a
major
problem.
It
no
longer
sufficient
to
have
product
that
simply
safe
for
humans;
must
also
be
ecologically
throughout
its
entire
life
cycle.
As
result,
there
has
been
shift
toward
employing
enzymes
in
sector
promote
eco-friendly
production.
goal
this
research
create
an
environmentally
friendly
discharge
printing
cotton
wool
textiles,
dyed
with
various
plant
extracts
(Ficus
benjamina,
Psidium
guajava
leaves,
Solanum
melongena
peel,
Brassica
oleracea
var.
capitata
rubra)
under
varied
circumstances
by
using
polyphenol
oxidase
(PPO)
peroxidase
(POD)
extracted
from
taro
corms
(Colocasia
antiquorum)
instead
harmful
reducing
or
oxidizing
agents.
enzyme
extraction
temperature
was
25°C,
solute-liquid
ratio
(1:4
(w/v))
at
pH
5.0
after
treatment
time
5
min.
oxidative
were
analyzed
Gas
Chromatography-Mass
Spectrometer
(GC-MS)
Analysis,
which
verified
presence
Retinol
component
molecular
weight
286.45
g/mol
retention
14.7
min,
regarded
proof
existence
enzymes.
activity
isolated
increases
over
time,
PPO
having
highest
180
seconds
wavelength
420
nm.
POD
achieves
peak
seconds,
436
observed.
These
allow
them
employed
agent.
effects
concentration,
paste,
enzymatic
treatment,
effect
mixing
extract
some
agents
studied
determine
efficiency.
results
indicate
rates
reached
about
40–57%
3
samples
one.
Mixing
other
different
concentrations
led
higher
rate,
60–66%,
color
half-tones
obtained
depending
difference
ratio,
pH,
factors
affecting
removal.
observed
tensile
strength
printed
constant
pesidium
guava-dyed
sample,
while
remaining
increased
1–4%,
except
sample
ficus
decreased.
While
4%
decreased
13%
considered
acceptable
range.
obtaining
halftones
result
partial
occurred
due
biological
oxidation
extract,
vital
alternative
toxic
Язык: Английский
Fabrication of Antibacterial and Ultraviolet Protective Wool Fabric Using Multi-Walled Carbon Nanotubes Functionalized with Guanidinylated Hyperbranched Polyethyleneimine Derivative
Materials,
Год журнала:
2025,
Номер
18(9), С. 1993 - 1993
Опубликована: Апрель 28, 2025
Wool
textiles
with
multifunctional
properties
such
as
self-cleaning,
antibacterial,
electrical
conductivity,
UV
blocking
etc.
have
recently
attracted
interest.
Among
the
materials
employed
towards
their
development,
carbon
nanotubes
(CNTs)
been
widely
investigated
due
to
unique
chemical,
mechanical
and
properties,
exhibiting
also
notable
UV-blocking
properties.
However,
limited
dispersibility
in
solvents,
particularly
water,
has
hindered
extensive
industrial
application
diminished
significant
potential.
In
this
work,
two
guanidinylated
derivatives
of
hyperbranched
polyethyleneimine
(GPEI5k
PEI
25K)
functionalized
oxCNTs
(oxCNTs@GPEI5K
oxCNTs@GPEI5K),
exceptional
aqueous
compatibility
colloidal
stability,
developed
our
recent
publication,
were
evaluated
antibacterial
activity
on
Gram
(-)
Escherichia
coli
(+)
Staphylococcus
aureus
bacteria
cytotoxicity
against
mammalian
cells,
most
promising,
i.e.,
oxCNTs@GPEI5K,
was
subsequently
used
finishing
agent
wool
fabric.
The
resulting
for
color,
wash
fastness,
performance.
GPEI-functionalized
derivative,
exhibited
uniform
distribution
good
adhesion
onto
fabrics
yielding
sustained
even
after
multiple
washing
cycles.
Additionally,
modified
improved
ultraviolet
protection,
highlighting
potential
applications
UV-shielding
textiles.
Язык: Английский