Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: March 12, 2024
Aeration
is
an
important
factor
to
regulate
composting
efficiency
and
nitrogen
loss.
This
study
aimed
compare
the
effects
of
different
aeration
modes
(continuous
intermittent)
rate
on
conversion
bacterial
community
in
from
dehydrated
sludge
corn
straw.
Results
showed
that
intermittent
mode
at
same
volume
was
superior
continuous
terms
NH
3
emission
reduction,
germination
index
(GI)
improvement.
Intermittent
with
1200
L/h
(aeration
5
min,
stop
15
min)
[K5T15
(V1200)]
300
helped
conservation
fractions
accelerate
process.
However,
it
most
advantageous
use
150
reduce
ensure
effective
The
K5T15
(V1200)
fastest
temperature
rise,
longer
duration
thermophilic
stage
highest
GI
(95%)
composting.
cumulative
higher
than
mode.
V300
23.1%
lower
(V1200).
dominant
phyla
straw
were
Firmicutes,
Proteobacteria,
Actinobacteria,
Bacteroidetes.
phylum
Firmicutes
(49.39%~63.13%),
genus
Thermobifida
(18.62%~30.16%).
relative
abundance
greater
(63.13%)
(57.62%),
Pseudomonas
lowest
emission.
suggested
adjustment
could
affect
core
bacteria
loss
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 16, 2024
Electrochemical
nitrate
reduction
method
(NitRR)
is
a
low-carbon,
environmentally
friendly,
and
efficient
for
synthesizing
ammonia,
which
has
received
widespread
attention
in
recent
years.
Copper-based
catalysts
have
leading
edge
due
to
their
good
adsorption
of
*NO
Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(43)
Published: July 16, 2024
Abstract
Electrochemical
nitrate
reduction
method
(NitRR)
is
a
low‐carbon,
environmentally
friendly,
and
efficient
for
synthesizing
ammonia,
which
has
received
widespread
attention
in
recent
years.
Copper‐based
catalysts
have
leading
edge
due
to
their
good
adsorption
of
*NO
3
.
However,
the
formation
active
hydrogen
(*H)
on
Cu
surfaces
difficult
insufficient,
resulting
large
amount
by‐product
NO
2
−
In
this
work,
Pd
single
atoms
suspended
interlayer
unsaturated
bonds
CuO
formed
dislocations
(Pd−CuO)
were
prepared
by
low
temperature
treatment,
located
subjected
shear
stress
dynamic
effect
support
promote
conversion
into
ammonia.
The
catalysis
had
an
ammonia
yield
4.2
mol.
g
cat
−1
h
,
Faraday
efficiency
90
%
production
at
−0.5
V
vs.
RHE.
situ
characterization
theoretical
calculations
indicate
that
effects
carriers
under
obviously
hydrogen,
reduce
reaction
energy
barrier
decision‐making
step
further
generation.
Frontiers in Microbiology,
Journal Year:
2024,
Volume and Issue:
15
Published: April 8, 2024
Freshwater
wetlands
are
the
wetland
ecosystems
surrounded
by
freshwater,
which
at
interface
of
terrestrial
and
freshwater
ecosystems,
rich
in
ecological
composition
function.
Biodiversity
plays
a
key
role
maintaining
stability
their
habitat
functions.
Due
to
anthropogenic
interference
global
change,
biodiversity
decreases,
turn
destroys
function
leads
serious
degradation
wetlands.
An
in-depth
understanding
effects
on
its
regulation
is
crucial
for
conservation.
Therefore,
this
paper
reviews
environmental
drivers
wetlands,
explores
plant
diversity
microbial
stability,
reveals
impacts
mechanisms
changes
biodiversity,
further
proposes
an
outlook
research.
This
provides
important
reference
conservation
enhancement.