Environmental Technology & Innovation,
Год журнала:
2024,
Номер
35, С. 103669 - 103669
Опубликована: Май 14, 2024
To
address
the
defects
of
traditional
composting
products,
such
as
slow
fertilizer
efficiency,
high
dosage
and
emissions
gas
pollutants,
we
propose
a
new
process
from
perspective
increasing
dissolved
organic
carbon
(DOC)
content
in
compost.
The
results
showed
that
nanobiofilm-covered
echelon
oxygen-controlled
could
effectively
reduce
CH4,
CO2
NH3
increase
DOC
products.
Among
methods,
using
nanobiofilm
covering
applying
moderate
ventilation
during
warming
phase
high-temperature
phase,
along
with
low
cooling
maturation
phases
(T3),
proved
to
be
most
effective
promoting
conversion
reducing
nitrogen
losses.
Compared
control,
this
treatment
resulted
36.16%
reduction
total
loss,
21.14%
57.22%
greenhouse
while
also
by
82.64%.
This
is
because
T3
initially
maintained
an
aerobic
state,
followed
semianaerobic
which
conducive
accumulation
DOC.
research
provide
technical
path
for
improving
quality,
efficiency
emission
fertilizer.
Agriculture,
Год журнала:
2025,
Номер
15(5), С. 446 - 446
Опубликована: Фев. 20, 2025
In
order
to
study
the
effect
of
cotton
stalk
particle
size
on
humification,
stalks
different
lengths
(5
cm,
10
15
cm)
were
co-composted
with
pig
manure
for
49
days.
The
results
showed
that
cm
treatment
(T2)
maintained
a
high-temperature
stage
8
days,
and
total
organic
carbon
decreased
by
60.0%.
T2
highest
cellulose
(57.0%)
hemicellulose
(77.1%)
degradation
rate,
lowest
lignin
accumulation
(69.8%),
humus
content
(34.94
g/kg),
which
was
88.1%
higher
than
in
initial
stage.
FTIR
analysis
revealed
significant
changes
functional
groups.
aromatic
C=C
stretching
vibration
(1650
cm−1)
group
increased
79.8%,
showing
better
aromatization
degree
other
two
Two-dimensional
spectroscopy
phenolic
alcohol
hydroxyl
groups
first
involved
followed
polysaccharides,
hemicellulose,
lignin,
structures,
enhanced
this
material
transformation
pathway.
Microbial
diversity
identified
seven
main
phyla,
among
Planctomycetota
Acidobacteria
abundance,
closely
related
cellulose,
compounds.
Second,
abundance
characteristic
species
such
as
Planifilum
fulgidum
also
certain
advantages
group.
summary,
optimized
microbial
activity
matter
effectively
regulated
composting
humification
process.
