The Science of The Total Environment,
Journal Year:
2022,
Volume and Issue:
863, P. 160953 - 160953
Published: Dec. 19, 2022
Microplastics,
defined
as
particles
<5
mm
in
diameter,
are
emerging
environmental
pollutants
that
pose
a
threat
to
ecosystems
and
human
health.
Biofilm
degradation
of
microplastics
may
be
an
ecologically
friendly
approach.
This
review
systematically
summarises
the
factors
affecting
biofilm
proposes
feasible
methods
improve
efficiency
microplastic
degradation.
Environmentally
insensitive
microorganisms
were
screened,
optimized,
commercially
cultured
facilitate
practical
application
this
technology.
For
strain
screening,
technology
should
focus
on
microorganisms/strains
can
modify
hydrophobicity
microplastics,
degrade
crystalline
zone
metabolise
additives
microplastics.
The
biodegradation
mechanism
is
also
described;
secreting
extracellular
oxidases
hydrolases
key
for
Measuring
changes
molecular
weight
distribution
(MWD)
enables
better
analysis
behaviour
has
relatively
few
applications
because
its
low
efficiency;
however,
enrichment
freshwater
environments
wastewater
treatment
plant
tailwater
currently
most
effective
method
treating
with
biofilms.
Microplastics
are
a
big
and
growing
part
of
global
pollution,
which
has
aroused
increasing
concern
in
recent
years
because
their
large
amount,
wide
distribution,
adverse
effects.
can
sorb
various
pollutants
from
aquatic
environments
act
as
vectors
pollutants.
Most
studies
mainly
focused
on
the
virgin
microplastics.
However,
microplastics
be
easily
colonized
by
microorganisms,
form
biofilm,
will
influence
behaviors
potential
risks
The
formation
biofilm
its
effects
properties
have
been
studied
before,
but
sorption
transport
behaviors,
for
pollutants'
transfer
not
reviewed.
In
this
paper,
role
biofilm-developed
was
thoroughly
analyzed
summarized.
First,
microplastics,
compositions
microorganisms
influencing
factors,
property
changes
after
attachment
Second,
onto
is
discussed.
Third,
vector
analyzed.
We
concluded
that
could
provide
unique
substrates
microorganisms.
Biofilm-developed
more
than
ones,
then
to
introduce
attached
organisms.
Cell Reports Physical Science,
Journal Year:
2021,
Volume and Issue:
2(8), P. 100514 - 100514
Published: July 22, 2021
Various
recycling
technologies
have
been
developed
to
deal
with
plastic
problems,
but
they
face
considerable
economic
and
technological
challenges
in
practice.
An
attractive
alternative
is
upcycling,
which
aims
dig
out
the
embedded
value
incentivize
large-scale
valorization
of
wastes.
The
degradation
nonrecoverable
wastes
another
necessity
treat
omnipresent
pollution.
This
review
presents
an
overview
on
conversion
toward
value-added
products
catalytic
Based
examination
traditional
products,
we
summarize
state-of-the-art
design
development
high-value
high-performance
fuels,
chemicals,
materials.
Subsequently,
highlight
advances
plastics
environmentally
benign
or
degradable
mineralization
into
carbon
dioxide
water.
We
conclude
our
perspective
ongoing
challenge
opportunities.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
122(3), P. 2981 - 3121
Published: Dec. 7, 2021
Presently,
conventional
technologies
in
water
treatment
are
not
efficient
enough
to
completely
mineralize
refractory
contaminants.
In
this
context,
the
implementation
of
catalytic
processes
could
be
an
alternative.
Despite
advantages
provided
terms
kinetics
transformation,
selectivity,
and
energy
saving,
numerous
attempts
have
yet
led
at
industrial
scale.
This
review
examines
investigations
different
scales
for
which
controversies
limitations
must
solved
bridge
gap
between
fundamentals
practical
developments.
Particular
attention
has
been
paid
development
solar-driven
some
other
emerging
processes,
such
as
microwave
assisted
catalysis,
plasma-catalytic
or
biocatalytic
remediation,
taking
into
account
their
specific
drawbacks.
Challenges
a
better
understanding
related
complexity
systems
coexistence
various
solid-liquid-gas
interfaces
identified.
