Biodegradation of polyethylene with polyethylene‐group‐degrading enzyme delivered by the engineered Bacillus velezensis
Journal of Hazardous Materials,
Год журнала:
2025,
Номер
488, С. 137330 - 137330
Опубликована: Янв. 22, 2025
Язык: Английский
The wheel of time: The environmental dance of aged micro- and nanoplastics and their biological resonance
Eco-Environment & Health,
Год журнала:
2025,
Номер
4(1), С. 100138 - 100138
Опубликована: Фев. 14, 2025
The
aging
of
micro-
and
nanoplastics
(MNPs)
significantly
affects
their
environmental
behavior
ecological
impacts
in
both
aquatic
terrestrial
ecosystems.
This
review
explored
the
known
effects
on
MNPs
identified
several
key
perspectives.
Firstly,
can
alter
fate
transport
due
to
changes
surface
properties.
alteration
accelerates
accumulation
specific
habitats
like
oceans
soils,
resulting
increased
bioaccumulation
by
organisms.
In
addition,
aged
interact
differently
with
living
organisms
than
pristine
counterparts
influencing
attachment
biofilms
other
microorganisms
Moreover,
processes
exhibit
adverse
via
increasing
bioavailability
potential
toxicity
as
degradation
products
are
released.
Last
but
not
least,
biodegradation
be
altered
process,
thus
affecting
rates
pathways
environment.
However,
there
still
knowledge
gaps
regarding
natural
behaviors
MNPs,
such
mechanisms
different
types
plastic,
influence
factors,
release
pollutants,
even
transformation
Therefore,
a
great
contribution
made
sustainable
plastic
use
preservation
studying
common
subsequent
biological
effects.
Язык: Английский
Experimental Study on Straw Rotting and Returning Mode in the Cold Region of Northeast China
Agronomy,
Год журнала:
2025,
Номер
15(3), С. 651 - 651
Опубликована: Март 5, 2025
The
delayed
decomposition
of
rice
straw
in
Northeast
China’s
cold
regions
(winter
temperatures
<
−20
°C)
due
to
insufficient
accumulated
temperature
requires
innovative
solutions.
This
study
developed
a
synergistic
approach
combining
microbial
with
mechanical
burial.
Pre-experiments
identified
optimal
parameters
for
the
liquid
decomposing
agent
(100
mg/mL
concentration,
6
g/m
application
rate).
A
novel
combined
machine
was
engineered
adjustable
parameters:
knife
roller
speed
(200–300
r/min),
burial
depth
(15–25
cm),
and
ground
clearance
(80–120
mm).
Field
trials
demonstrated
91.3%
return
rate
under
optimized
settings
(220
r/min,
100
mm
clearance,
1.7
m/s
speed),
representing
28.5%
improvement
over
conventional
methods.
Spring
enhanced
83.6%
within
60
days
(vs.
67.2%
autumn),
significantly
increasing
soil
organic
matter
available
nitrogen.
integrated
technology
achieved
1.5
hm2/h
operational
efficiency,
meeting
regional
agronomic
demands.
provides
replicable
model
cold-region
utilization,
aligning
carbon
sequestration
goals
black
conservation.
Язык: Английский