Cleaner Environmental Systems,
Journal Year:
2023,
Volume and Issue:
12, P. 100157 - 100157
Published: Dec. 6, 2023
Pig
slurry
is
an
agricultural
residue
with
potential
for
utilisation
as
organic
fertiliser
and
biomethane
feedstock.
That
value
typically
diminished
via
greenhouse
ammonia
gaseous
losses
during
temporary
storage,
issue
further
exacerbated
by
the
global
warming,
pollutant
malodorous
nature
of
those
compounds.
Existing
methods
reducing
emissions
from
pig
may
require
significant
capital
outlay
and/or
prove
difficult
to
retrofit.
A
promising
reactive
oxygen-based
additive
(GasAbate®)
was
thus
scaled-up
1
m3
tanks
filled
750
L
weaner
slurry.
Several
experiments
were
carried
out
in
three
distinct
phases,
namely
i.
ambient
temperature
scale-up;
ii.
heated
trials
determine
optimal
application
method;
iii.
compare
results
static
dynamic
chamber
scenarios,
each
iteration
aiming
garner
understanding
treatment
efficacy
under
various
conditions.
The
demonstrate
scalability
this
additive,
its
total
volume
(63–90%
reduction),
(22–58%
reduction)
compound
evolution
(22–83%
reduction
a
range
compounds)
storage
resulting
retention
energy
nutrient
slurry,
34–57%
higher
potential.
use
could
be
well
suited
farms
that
short-term
(ca.
30
days)
before
feeding
biogas
system.
Journal of Animal Science and Technology,
Journal Year:
2024,
Volume and Issue:
66(6), P. 1083 - 1098
Published: Oct. 14, 2024
The
increase
in
greenhouse
gas
(GHG)
emissions
has
resulted
climate
change
and
global
warming.
Human
activities
many
sectors,
including
agriculture,
contribute
to
approximately
9.2%
of
total
GHG
from
Annex
I
countries.
An
argument
on
issues
livestock
being
the
highest
contributor
grown
since
FAO's
2006
report
Livestock's
Long
Shadow.
issue
continued
growing,
conflicting
importance
industry
terms
food
security
livelihoods,
thus,
monitoring
emission
this
sector
is
vital.
most
commonly
used
methods
for
calculating
are
life
cycle
assessment
(LCA)
inventory.
Although
LCA
presents
information
impacts
environment,
inventory
main
tool
internationally
reporting.
This
review
comprehensively
discusses
source
its
estimation
methodology,
as
well
current
strategies
mitigating
these
emissions.
In
recent
years,
the
Canadian
dairy
sector
has
faced
escalating
challenges
due
to
its
significant
contribution
greenhouse
gas
emissions,
particularly
methane.
This
paper
critically
examines
a
spectrum
of
innovative
techniques
aimed
at
mitigating
methane
emissions
within
this
sector,
scrutinizing
their
cost-effectiveness,
efficiency,
compatibility
with
animal
welfare
standards,
and
adherence
both
existing
prospective
environmental
legislations.
The
discourse
commences
an
exhaustive
overview
contemporary
reduction
methodologies
pertinent
farming,
followed
by
rigorous
analysis
economic
feasibility.
includes
detailed
cost-benefit
analysis,
juxtaposed
efficiency
technological
advancements
these
embody.
A
pivotal
aspect
examination
is
alignment
emission
objectives,
ensuring
that
strategies
employed
do
not
compromise
health
well-being
cattle.
Furthermore,
delves
into
legislative
landscape
Canada,
evaluating
congruence
current
laws
anticipating
future
regulatory
shifts.
Performance
indicators
for
are
assessed,
establishing
benchmarks
tailored
context.
complemented
exploration
market
potential
innovations,
including
factors
influencing
adoption
scalability
in
market.
culminates
synthesis
case
studies
best
practices
offering
insights
successful
implementations
drawing
lessons
endeavors.
comprehensive
approach
serves
only
address
immediate
impacts
associated
farming
but
also
contributes
significantly
overarching
goal
sustainable
development
agricultural
sector.
Journal of Cleaner Production,
Journal Year:
2023,
Volume and Issue:
430, P. 139665 - 139665
Published: Nov. 10, 2023
Reducing
methane
(CH4)
emission
from
livestock
production
can
be
achieved
by
the
treatment
of
manure
in
slurry
pits
and
storage
tanks.
In
case
pits,
treating
residual
left
out
after
frequent
flushing
largely
reduce
CH4
due
to
decrease
methanogenic
inoculum.
this
study,
three
surfactants,
two
oxidants
a
flocculant
were
screened
for
their
efficiency
reducing
pig
headspace
setup.
All
surfactants
reduced
>
95%
at
dosage
8
g
kg−1
particularly
sodium
dodecyl
sulfate
(SDS)
was
effective
low
only
2.5
with
>95%
reduction.
Oxidants
30–85%
different
dosages,
hypochlorite
being
most
effective.
Flocculant
did
not
emissions
significantly.
None
studied
treatments
ammonia
Similarities
pathway
observed
among
surfactant
treated
slurries,
oxidant
slurries.
Considering
cost
environmental
effects
additives,
SDS
seems
promising
choice.
Future
work
on
could
either
as
combination
other
additives
or
up-scaling
designing
solutions
houses.
Cleaner Environmental Systems,
Journal Year:
2023,
Volume and Issue:
12, P. 100157 - 100157
Published: Dec. 6, 2023
Pig
slurry
is
an
agricultural
residue
with
potential
for
utilisation
as
organic
fertiliser
and
biomethane
feedstock.
That
value
typically
diminished
via
greenhouse
ammonia
gaseous
losses
during
temporary
storage,
issue
further
exacerbated
by
the
global
warming,
pollutant
malodorous
nature
of
those
compounds.
Existing
methods
reducing
emissions
from
pig
may
require
significant
capital
outlay
and/or
prove
difficult
to
retrofit.
A
promising
reactive
oxygen-based
additive
(GasAbate®)
was
thus
scaled-up
1
m3
tanks
filled
750
L
weaner
slurry.
Several
experiments
were
carried
out
in
three
distinct
phases,
namely
i.
ambient
temperature
scale-up;
ii.
heated
trials
determine
optimal
application
method;
iii.
compare
results
static
dynamic
chamber
scenarios,
each
iteration
aiming
garner
understanding
treatment
efficacy
under
various
conditions.
The
demonstrate
scalability
this
additive,
its
total
volume
(63–90%
reduction),
(22–58%
reduction)
compound
evolution
(22–83%
reduction
a
range
compounds)
storage
resulting
retention
energy
nutrient
slurry,
34–57%
higher
potential.
use
could
be
well
suited
farms
that
short-term
(ca.
30
days)
before
feeding
biogas
system.
