Environments,
Год журнала:
2024,
Номер
11(9), С. 207 - 207
Опубликована: Сен. 18, 2024
Dyes
employed
in
many
production
cycles
are
characterized
by
high
toxicity
and
persistence
the
environment,
conventional
wastewater
treatments
often
fail
to
reach
removal
efficiencies.
Consequently,
there
is
an
increasing
research
demand
aimed
at
development
of
more
efficient
sustainable
technologies.
A
two-step
strategy
consisting
dye
sorption
followed
sorbent
bio-regeneration
proposed
here,
with
a
special
focus
on
regeneration
step.
The
objective
this
study
was
establish
best
operating
conditions
achieve
dye-loaded
polymers
concurrently
ultimate
dyes.
To
aim,
Hytrel
8206
polymer,
used
as
material
remove
Remazol
Red
from
textile
wastewater,
investigated
two-phase
partitioning
bioreactor
(TPPB)
under
alternated
anaerobic–aerobic
conditions.
Comprehensive
analysis
operational
parameters,
including
load
initial
contamination
levels,
conducted
optimize
efficiency.
Experimental
data
demonstrated
efficiencies
(91–98%)
biodegradation
up
89%.
This
also
examines
process
investigate
fate
intermediates;
results
confirmed
successful
degradation
without
significant
by-product
accumulation.
underscores
potential
TPPB-based
polymeric
for
treatment,
offering
promising
solution
global
challenge
pollution
water
resources.
Polymers,
Год журнала:
2025,
Номер
17(5), С. 628 - 628
Опубликована: Фев. 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.
Bacteria,
Год журнала:
2025,
Номер
4(1), С. 15 - 15
Опубликована: Март 7, 2025
Textile
dyes
pose
a
major
environmental
threat
due
to
their
toxicity,
persistence
in
water
bodies,
and
resistance
conventional
wastewater
treatment.
To
address
this,
researchers
have
explored
biological
physicochemical
degradation
methods,
focusing
on
microbial,
photolytic,
nanoparticle-mediated
approaches,
among
others.
Microbial
depends
fungi,
bacteria,
yeasts,
algae,
utilizing
enzymatic
pathways
involving
oxidoreductases
like
laccases,
peroxidases,
azoreductases
breakdown
or
modify
complex
dye
molecules.
Photolytic
employs
hydroxyl
radical
generation
electron-hole
pair
formation,
while
utilizes
titanium
dioxide
(TiO2),
zinc
oxide
(ZnO),
silver
(Ag)
nanoparticles
enhance
removal.
improve
efficiency,
microbial
consortia
been
developed
decolorization
mineralization,
offering
cost-effective
eco-friendly
alternative
methods.
Photocatalytic
degradation,
particularly
using
TiO2,
harnesses
light
energy
for
breakdown.
Research
advancements
focus
shifting
TiO2
activation
from
UV
visible
through
doping
composite
materials,
optimizing
surface
area
mesoporosity
better
adsorption.
Nanoparticle-mediated
approaches
benefit
high
rapid
adsorption,
with
ongoing
improvements
synthesis,
functionalization,
reusability,
magnetic
nanoparticle
integration.
These
emerging
technologies
provide
sustainable
solutions
degradation.
The
primary
aim
of
this
review
is
comprehensively
evaluate
synthesize
current
research
the
azo
photolytic
processes,
nanotechnology-based
approaches.
also
provides
detailed
information
salient
mechanistic
aspects
these
efficiencies,
advantages,
challenges,
potential
applications
industrial
contexts.
Desalination and Water Treatment,
Год журнала:
2024,
Номер
317, С. 100120 - 100120
Опубликована: Янв. 1, 2024
Textile
effluent
treatment
is
crucial
for
a
cleaner
and
safer
community.
The
purpose
of
this
study
to
utilize
biochar
prepared
from
Manihot
esculenta
stalk
remove
reactive
yellow
dye
through
Pyrolysis
at
350
°C
210
min.
effect
quantity
adsorbent,
pH
values
the
adsorbate
solution
experimented,
contact
time
required,
starting
concentration,
current
temperature
solution,
speed
agitation,
as
well
size
particle
on
removal
was
examined
using
batch
trials.
At
an
equilibrium
period
25
min,
7,
bio-char
dosage
2
g,
°C,
agitation
150
rpm,
231
µm,
86%
could
be
removed
with
highest
adsorption
capacity
53.47
mg/g.
Pseudo-first
order
type
kinetics
in
addition
Langmuir
isotherm
model
were
set
up
finest
fit
onto
M.
stalk.
process
chemisorption,
exothermic,
feasible,
spontaneous,
it
predicted
by
thermodynamically
negative
enthalpy
entropy
values.
spent
reused
six
cycles
same
optimal
conditions
found
insignificant
fourth
cycle.
Also,
characterized
scanning
electron
microscopy
(SEM),
energy-dispersive
X-ray
analysis
(EDAX)
Fourier
Transform
Infrared
Spectroscopy
(FTIR)
morphology,
elemental
composition,
functional
groups
respectively.
So,
active
adsorbent
elimination
dye.
ACS Omega,
Год журнала:
2024,
Номер
9(39), С. 40477 - 40484
Опубликована: Сен. 17, 2024
Textile
wastewater
poses
a
substantial
environmental
challenge
due
to
the
persistence
of
organic
dyes.
This
study
introduces
novel
approach
using
photovoltaic
(PV)
powered
electro-Fenton
(EF)
technology
for
effective
treatment
textile
wastewater.
Acid
orange
7
(AO7),
methylene
blue
(MB),
and
malachite
green
(MG)
were
selected
as
representative
dyes
validate
method
under
varying
experimental
conditions.
Analysis
variance
(ANOVA)
highlighted
significant
influence
pollutant
type,
pH
levels,
current
density
on
degradation
efficiency
system,
with
optimal
conditions
observed
at
=
3
high
density.
To
underscore
benefits,
comprehensive
life
cycle
assessment
(LCA)
was
conducted.
The
PV-powered
EF
when
implemented
in
mill,
exhibited
an
energy
payback
time
(EPBT)
9.53
years,
greenhouse
gas
(GPBT)
4.45
cost
(LCC)
1.9
×
10
