Environmental Technology & Innovation,
Journal Year:
2023,
Volume and Issue:
32, P. 103427 - 103427
Published: Oct. 30, 2023
This
study
investigated
the
effects
of
inoculating
thermophilic
and
mature
composts
on
maturity,
gaseous
emissions,
bacterial
communities
during
co-composting
kitchen
waste
pig
manure.
Results
showed
that
temperature
peaked
day
4
inoculation
compost
amendment,
which
was
earlier
than
control
treatment
8.
In
particular,
GI
inoculated
higher
(88.65%)
other
treatments
(GI≤61%)
35.
The
addition
promoted
enrichment
Bacillus
Planifilum,
accelerated
organic
matter
degradation,
enhanced
maturity.
Inoculation
with
reduced
CH4
emissions
by
50.66%,
owing
to
methane-oxidizing
bacteria
(norank_f_Methylococcaceae).
Furthermore,
decreased
NH3
36.16%
through
physical
absorption
microbial
activity
(reducing
NH4+
production).
amendment
increased
N2O
denitrification
nitrate
reduction
function.
Overall,
composting
process
improved
whereas
more
effective
in
reducing
Crystals,
Journal Year:
2025,
Volume and Issue:
15(2), P. 153 - 153
Published: Feb. 1, 2025
Calcium
orthophosphate
material
(Ca1-xCux)HPO4.nH2O
(0.4
≤
x
1)
with
the
gradual
replacement
of
Ca2+
Cu2+
ions
were
synthesized
by
a
chemical
precipitation
technique.
Samples
characterized
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM)
and
transmission
(TEM).
Then,
prepared
powders
deposited
onto
an
alumina
substrate
interdigitated
Pt
electrodes
spin
coating
method
polyvinyl
alcohol
(PVA)
as
binder.
Successively,
sensors
investigated
from
0%
to
90%
at
room
temperature
under
various
conditions,
including
humidity,
nitrogenous
oxide,
methane,
carbon
dioxide
ammonia.
The
results
evidenced
that
RH,
sensitivity
significantly
increased
increase
in
Cu
content.
Moreover,
exhibited
good
repeatability
and,
after
1
year
aging,
sensor
response
was
equal
34%
freshly
sensor.
Finally,
there
no
interference
presence
other
gases
(nitrogenous
oxide
2.5
ppm,
methane
10
500
ppm
ammonia
4
ppm).
Environmental Technology & Innovation,
Journal Year:
2023,
Volume and Issue:
32, P. 103341 - 103341
Published: Aug. 21, 2023
To
address
the
low
conversion
of
effective
phosphorus
during
previous
studies
on
spent
mushroom
substrate
(SMS)
composting,
phosphorus-solubilizing
bacteria
(PSB)
were
utilized
to
increase
content
in
this
study.
The
results
demonstrated
that
PSB
treatments
exhibited
higher
temperature
levels
up
66
°C.
TN,
NH4+-N,
and
NO3−-N
contents
than
those
control
treatment
(CK)
by
9.01%,
50.01%,
4.61%,
respectively.
Inoculation
with
increased
phosphorus,
total
humus
SMS
compost
6.84%,
11.05%,
9.10%.
In
addition,
based
PICRUSt
analysis,
inoculation
significantly
promoted
metabolic
pathways
associated
or
production
substances
can
facilitate
leaching,
thus
improving
utilization
compost.
conclusion,
addition
improve
bioavailability
P
realize
green
sustainable
development
edible
industry.
