International Journal of Environmental Research and Public Health,
Год журнала:
2022,
Номер
19(13), С. 7983 - 7983
Опубликована: Июнь 29, 2022
The
biological
treatment
efficiency
of
dye
wastewater
using
activated
sludge
(AS)
is
largely
limited
to
the
chromaticity
and
ecotoxicity
dyestuff.
To
alleviate
this
limitation,
eleven
industrial-grade
disperse
dyes
were
obtained
from
a
fiber-dyeing
factory,
for
first
time,
we
studied
decolorization
detoxification
effects
Pycnoporus
laccase
enzyme.
Efficient
was
achieved
with
following
conditions:
concentration
50
mg/L,
1-hydroxybenzotriazole
(HBT)
0.15
mM,
temperature
65
°C,
pH
4,
0.33
U/mL.
rate
dyes,
ranging
51
96%
in
investigation,
highly
dependent
on
type,
concentration,
loading,
HBT.
evaluated
by
studying
germination/growth
wheat
seed
as
well
respiratory
aerobic
AS.
Laccase
mitigated
phytotoxicity
because
higher
germination
(e.g.,
increase
38%
Black
ECT
200%)
growth
91%
Blue
2BLN
200%).
reduced
decolorized
solution
towards
microorganisms
also
confirmed
finding
that
oxygen
uptake
AS
increased
relative
untreated
samples
14
folds
HGL
In
addition,
chemical
demand
(COD)
slightly
lower
than
without
during
test.
experimental
results
suggest
enzymatic
can
be
potentially
used
pretreatment
method
followed
treatment.
Water Practice & Technology,
Год журнала:
2024,
Номер
19(9), С. 3598 - 3630
Опубликована: Сен. 1, 2024
ABSTRACT
Dye
degradation
mediated
by
oxidoreductive
enzymes
has
been
well
explored
in
textile
wastewater
treatment.
Ligninolytic
(LEs)
play
key
roles
the
biodegradation
of
dyes.
This
paper
aimed
to
provide
a
comprehensive
review
potentiality
LEs
dye
biodegradation.
The
sources,
mechanisms,
and
removal
efficiencies
were
discussed.
Moreover,
factors
affecting
efficiency,
applications
limitations
highlighted.
are
extracellular
protein
complexes
that
have
synergetic
effect
on
can
remove
up
99%
using
one
or
more
over
wide
pH
temperature
ranges.
Laccase
is
highly
examined
enzyme
compared
lignin
peroxidase
(LiP)
manganese
(MnP)
for
Although
extensive
research
conducted
fungal
laccases,
it
worth
noting
bacterial
laccases
exhibit
unique
properties,
such
as
stability
at
elevated
temperatures
alkaline
pH,
which
not
typically
observed
making
them
an
ideal
candidate
treatment
wastewater.
Further
optimization
experimental
conditions
required
improve
efficiency
these
enzymes.
It
also
crucial
improving
capabilities
recombinant
DNA
technology.
Biotechnology and Bioengineering,
Год журнала:
2022,
Номер
119(10), С. 2609 - 2638
Опубликована: Июль 19, 2022
Over
the
past
decade,
nanotechnology
has
been
developed
and
employed
across
various
entities.
Among
numerous
nanostructured
material
types,
enzyme-incorporated
nanomaterials
have
shown
great
potential
in
fields,
as
an
alternative
to
biologically
derived
well
synthetically
hybrid
structures.
The
mechanism
of
incorporating
enzyme
onto
a
nanostructure
depends
on
several
factors
including
method
immobilization,
type
nanomaterial,
operational
environmental
conditions.
prospects
promising
results
applications,
such
biocatalysts,
biosensors,
drug
therapy,
wastewater
treatment.
This
is
due
their
excellent
ability
exhibit
chemical
physical
properties
high
surface-to-volume
ratio,
recovery
and/or
reusability
rates,
sensitivity,
response
scale,
stable
catalytic
activity
wide
operating
In
this
review,
evolution
along
with
impact
our
society
its
state-of-the-art
properties,
significance
different
industrial
applications
are
discussed.
addition,
weakness
future
were
also
discussed
guide
scientists
for
futuristic
research
development
field.
Molecules,
Год журнала:
2024,
Номер
29(3), С. 669 - 669
Опубликована: Янв. 31, 2024
To
fully
harness
the
potential
of
laccase
in
efficient
decolorization
and
detoxification
single
mixed
dyes
with
diverse
chemical
structures,
we
carried
out
a
systematic
study
on
using
crude
preparation
obtained
from
white-rot
fungus
strain,
Pleurotus
eryngii.
The
showed
azo,
anthraquinone,
triphenylmethane,
indigo
dyes,
reaction
rate
constants
followed
order
Remazol
Brilliant
Blue
R
>
Bromophenol
blue
Indigo
carmine
New
Coccine
Reactive
4
Black
5
Acid
Orange
7
Methyl
green.
This
exhibited
notable
tolerance
to
SO42−
salts
such
as
MnSO4,
MgSO4,
ZnSO4,
Na2SO4,
K2SO4,
CdSO4
during
various
types
but
was
significantly
inhibited
by
Cl−
salts.
Additionally,
this
demonstrated
strong
some
organic
solvents
glycerol,
ethylene
glycol,
propanediol,
butanediol.
dye
mixtures,
including
azo
+
anthraquinone
indigo,
triphenylmethane
dyes.
kinetics
provided
preliminary
insight
into
interactions
between
process
underlying
reasons
mechanisms
were
discussed.
Importantly,
eryngii
repeated-batch
single-,
two-,
four-dye
mixtures.
high
stability
reusability
decolorization.
Furthermore,
different
containing
phytotoxicity
decolorized
(single
dyes)
reduced.
efficiently
eliminated
associated
Consequently,
offers
significant
for
practical
applications
management
pollutants
structures.
Ecotoxicology and Environmental Safety,
Год журнала:
2024,
Номер
279, С. 116450 - 116450
Опубликована: Май 19, 2024
The
purpose
of
this
study
is
to
evaluate
the
decolorization
ability
and
detoxification
effect
LAC-4
laccase
on
various
types
single
mixed
dyes,
lay
a
good
foundation
for
better
application
in
efficient
treatment
dye
pollutants.
reaction
system
decolorizing
dyes
(azo,
anthraquinone,
triphenylmethane,
indigo
17
total)
were
established.
To
explore
mixture
by
LAC-4,
two
same
type
or
different
at
concentration
(100
mg/L)
containing
0.5
U
laccase,
time-course
performed
mixture.
combined
mixtures
consisted
azo
+
azo,
indigo,
triphenylmethane
triphenylmethane.
results
obtained
as
follows.
Under
optimal
conditions
30
°C
pH
5.0,
(0.5
U)
can
efficiently
decolorize
four
dyes.
24-hour
efficiencies
800
mg/L
Orange
G
Acid
7
(azo),
Remazol
Brilliant
Blue
R
(anthraquinone),
Bromophenol
Methyl
Green
(triphenylmethane),
Indigo
Carmine
(indigo)
75.94%,
93.30%,
96.56%,
99.94%,
96.37%,
37.23%,
respectively.
could
also
with
structures.
achieve
efficiency
over
80%
such
mg/L+100
mg/L),
Reactive
16
mg/L).
During
process
interaction
relationships
observed
between
Decolorization
rates
that
difficult
be
degraded
greatly
improved
when
other
Degradable
enhance
extremely
difficult-to-degrade
It
was
found
significantly
increased
after
mixing.
possible
mechanisms
underlying
further
discussed.
Free,
but
not
immobilized,
showed
strong
continuous
batch
two-dye
mixtures,
four-dye
exhibited
high
stability,
sustainable
degradability,
reusability
decolorization.
LAC-4-catalyzed
markedly
reduced
fully
abolished
toxic
effects
dye)
mix
(nine
structural
dyes)
plants.
Our
findings
indicated
had
significant
potential
use
bioremediation
due
its
degradation
types.
Biotechnology and Bioengineering,
Год журнала:
2023,
Номер
121(2), С. 434 - 455
Опубликована: Ноя. 22, 2023
Abstract
Despite
their
high
persistence
in
the
environment,
organochlorines
(OC)
are
widely
used
pharmaceutical
industry,
plastics,
and
manufacture
of
pesticides,
among
other
applications.
These
compounds
byproducts
decomposition
deserve
attention
efficient
proposals
for
treatment.
Among
sustainable
alternatives,
use
ligninolytic
enzymes
(LEs)
from
fungi
stands
out,
as
these
molecules
can
catalyze
transformation
a
wide
range
pollutants.
LEs,
laccases
(Lac)
known
efficiency
biocatalysts
conversion
organic
Their
application
biotechnological
processes
is
possible,
but
often
unstable
difficult
to
recover
after
use,
driving
up
costs.
Immobilization
on
matrix
(support
or
solid
carrier)
allows
recovery
stabilization
this
catalytic
capacity.
Agricultural
residual
biomass
passive
environmental
asset.
Although
underestimated
still
treated
an
undesirable
component,
be
low‐cost
adsorbent
support
immobilization
enzymes.
In
review,
adsorption
capacity
fungal
Lac
supports
made
biomass,
including
such
biochar,
removal
OC
analyzed
compared
with
synthetic
supports.
A
qualitative
quantitative
comparison
reported
results
was
made.
context,
peanut
shells
highlighted
view
increasing
production
worldwide.
The
linkage
methods
circular
economy
approaches
that
applied
practice
discussed.
Mini-Reviews in Organic Chemistry,
Год журнала:
2022,
Номер
21(6), С. 609 - 632
Опубликована: Ноя. 7, 2022
Abstract:
According
to
the
European
Environment
Agency,
textile
industry
is
responsible
for
20%
of
global
water
pollution
due
dyeing
and
finishing
products,
thus
facing
severe
environmental
challenges.
It
essential
design
more
biocompatible
sustainable
treatment
processes
capable
removing
dyes
from
industrial
wastewater
fight
this
hazard.
Chemical
industries
must
change
traditional
chemical-based
concepts
environmentally
friendly
greener
remove
pollutants,
including
dyes.
Enzymatic
bioremediation
a
smart
tool
promising
alternative
pollutant
degradation.
The
use
enzymes
in
dye
decolourization
makes
process
green
clean
conventional
chemical
treatments.
Moreover,
enzymemediated
biocatalysis
decreases
formation
toxic
by-products
compared
reactions.
most
used
enzyme
laccase.
Laccase
multicopper
oxidase
found
diverse
organisms
such
as
fungi.
promotes
oxidation
phenolic
compounds
has
wide
range
substrate
specificity,
making
it
different
by
industry,
recalcitrant
aromatic
present
article
gives
comprehensive
revision
decolourization,
its
types,
recent
developments
laccase-mediated
technologies,
mechanism
biocatalysis,
their
limitations
Emphasis
on
pathways
laccase
reaction
mechanisms
also
provided.
In
addition,
brief
overview
respective
presented.