Insights into micro-and nano-zero valent iron materials: synthesis methods and multifaceted applications
RSC Advances,
Год журнала:
2024,
Номер
14(41), С. 30411 - 30439
Опубликована: Янв. 1, 2024
The
growing
threat
of
environmental
pollution
to
global
health
necessitates
a
focus
on
the
search
for
sustainable
wastewater
remediation
materials
coupled
with
innovative
strategies.
Язык: Английский
Enhanced Cadmium Sequestration from Animal Waste using a Combined Modified Corn Straw Biochar: Unraveling the Mechanisms and Performance in Hazardous Metal Removal
Environmental Technology & Innovation,
Год журнала:
2025,
Номер
unknown, С. 104256 - 104256
Опубликована: Май 1, 2025
Язык: Английский
Iron valence regulates sulfur pollution in livestock manure compost: A multipath strategy of chemical fixation-oxidation and microbial metabolism
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 164452 - 164452
Опубликована: Июнь 1, 2025
Язык: Английский
Optimizing the Composting Process Emissions – Process Kinetics and Artificial Intelligence Approach
Опубликована: Апрель 28, 2024
Although
composting
has
many
advantages
in
the
treatment
of
organic
waste,
there
are
still
problems
and
challenges
associated
with
emissions,
like
NH3,
VOCs,
H2S,
as
well
greenhouse
gases
such
CO2,
CH4,
N2O.
One
promising
approach
to
enhancing
conditions
is
used
novel
analytical
methods
bad
on
artificial
intelligence.
To
predict
optimize
emissions
(CO,
NH3)
during
process
kinetics
thought
mathematical
models
(MM)
machine
learning
(ML)
were
utilized.
Data
about
everyday
from
laboratory
compost’s
biochar
different
incubation
(50,
60,
70
°C)
doses
(0,
3,
6,
9,
12,
15%
d.m.)
for
MM
ML
selections
training.
not
been
very
effective
predicting
(R2
0.1
-
0.9),
while
acritical
neural
network
(ANN,
Bayesian
Regularized
Neural
Network;
R2
accuracy
CO:0,71,
CO2:0,81,
NH3:0,95,
H2S:0,72))
decision
tree
(DT,
RPART;
CO:0,693,
CO2:0,80,
NH3:0,93,
H2S:0,65)
have
demonstrated
satisfactory
results.
For
first
time
CO
H2S
demonstrated.
Further
research
a
semi-scale
field
study
needed
improve
developments
models.
Язык: Английский
Nitrogen fixation and calcium activation of oyster shell during composting and its performance on acidic soil amendment
Environmental Technology & Innovation,
Год журнала:
2024,
Номер
36, С. 103792 - 103792
Опубликована: Авг. 11, 2024
Chicken
manure,
corn
straw
and
oyster
shell
powder
(OSP)
were
used
as
raw
materials
for
organic-inorganic
combined
composting.
Experiments
designed
by
adding
different
amounts
of
OSP
(0
%,
20
40
%),
CK,
T1,
T2,
respectively.
In
final
composts,
the
pH
value
increased
to
8.72–9.08,
electrical
conductivity
ranged
from
2.08–3.82
mS·cm−1.
The
co-composting
could
effectively
reduce
ammonia
emissions
54.65
%
activate
calcium
component
37.5
%.
Addition
promoted
humification
humic
acid
86.1
This
calcium-based
compost
shells
(OSs)
activated
composting
was
plant
Brassica
napus
pot
experiment.
Compared
with
addition
after
composting,
significantly
growth
because
more
nitrogen,
humus
available
in
compost.
addition,
this
pH,
organic
matter
(OM)
exchangeable
content
acidic
soil.
general,
is
an
effective
method
realize
fertilizer
utilization
OSs.
process
make
full
use
achieve
nitrogen
retention
enhancement
during
meanwhile
morphology
can
be
high-quality
soil
conditioner
obtained.
Язык: Английский
Effects of Additives on Greenhouse Gas Emission during Organic Waste Composting
Korean Journal of Environmental Agriculture,
Год журнала:
2023,
Номер
42(4), С. 358 - 370
Опубликована: Дек. 26, 2023
Composting
has
been
proposed
for
the
management
of
organic
waste,
and
resulting
products
can
be
used
as
soil
amendments
fertilizer.However,
emissions
greenhouse
gases
(GHGs)
such
CO
2
,
CH
4
N
O
produced
in
composting
are
considerable
concern.Hence,
various
additives
have
developed
adopted
to
control
GHGs.This
review
presents
different
during
summarizes
effects
on
GHGs
composting.Thirty-four
studies
were
reviewed,
their
results
showed
that
reduce
cumulative
emission
by
10.5%,
39.0%,
28.6%,
respectively,
composting.Especially,
physical
(e.g.,
biochar
zeolite)
a
greater
effect
mitigating
than
do
chemical
phosphogypsum
dicyandiamide).In
addition,
superphosphate
had
high
reduction
effect,
whereas
dicyandiamide
effect.This
implies
addition
superphosphate,
biochar,
contribute
GHG
emissions.Further
research
is
needed
find
novel
effectively
composting.
Язык: Английский