International Journal of Chemical Reactor Engineering,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 28, 2025
Abstract
Carbon
dioxide
(CO
2
)
is
a
major
greenhouse
gas
produced
by
anthropogenic
activities,
such
as
industrial
processes
and
energy
consumption.
This
study
focuses
on
CO
adsorption,
widely
used
method,
specifically
dynamic
capture
from
the
atmosphere
using
ammonia-modified
granular
activated
carbon
(OXA-GAC).
The
research
integrates
experimental
investigations
with
mathematical
modeling
to
optimize
adsorption
process.
A
numerical
solution
for
mass
balance
equations,
formulated
partial
differential
equations
(PDEs),
was
implemented
method
of
lines
(MOL).
To
simulate
breakthrough
profile
in
column,
three
kinetic
models
were
employed:
pseudo-first-order,
pseudo-second-order,
Avrami.
Among
these,
Avrami
model
demonstrated
best
fit,
exhibiting
highest
correlation
factor
data
at
30
°C,
45
60
°C.
Furthermore,
two
equilibrium
isotherms,
Toth
Langmuir,
evaluated.
For
low
concentrations,
Yoon-Nelson
outperformed
Thomas
model,
particularly
°C
across
all
C/C
0
ratios.
At
performance
column
accurately
represented
these
ratios
below
0.7.
contributes
advancement
technologies
optimizing
OXA-GAC.
It
provides
valuable
insights
into
process
optimization
under
varying
temperature
concentration
conditions,
supporting
development
more
efficient
sustainable
systems.
Environments,
Journal Year:
2023,
Volume and Issue:
10(4), P. 66 - 66
Published: April 14, 2023
The
increasing
levels
of
carbon
dioxide
(CO2)
in
the
atmosphere
have
become
a
major
environmental
challenge
due
to
their
contribution
global
warming.
primary
drivers
increase
atmospheric
CO2
concentrations
are
combustion
fossil
fuels,
deforestation,
agricultural
practices,
or
production
cement,
which
play
significant
role
concentration
atmosphere.
However,
efforts
being
made
mitigate
negative
effects
emissions,
including
capture
and
storage
(CCS)
technologies
that
aim
from
industrial
processes
store
it
underground
geological
formations.
Methane,
another
potent
greenhouse
gas,
is
contributor
climate
change
mainly
produced
by
activities
such
as
livestock
farming
rice
cultivation.
To
address
this,
sustainable
reducing
meat
consumption
adopting
climate-smart
techniques,
crucial.
Ultimately,
future
can
be
secured
for
planet
generations
implementing
effective
measures,
use
energy
sources,
improvements
efficiency,
responsible
land
emissions
both
methane.
Carbon Research,
Journal Year:
2023,
Volume and Issue:
2(1)
Published: Jan. 16, 2023
Abstract
Carbon
neutrality
by
the
mid-twenty-first
century
is
a
grand
challenge
requiring
technological
innovations.
Biochar,
traditional
soil
amendment
which
has
been
used
for
fertility
improvement
and
contaminant
remediation,
revealed
new
vitality
in
this
context.
In
review
we
highlight
huge
potential
of
biochar
application
different
fields
to
mitigate
as
high
2.56
×
10
9
t
CO
2
e
total
greenhouse
gas
(GHG)
emissions
per
year,
accounting
5.0%
global
GHG
emissions.
Soil
applications
either
controlled-release
fertilizer
or
an
immobilization
agent
offer
improved
health
while
simultaneously
suppressing
CH
4
N
O.
Non-soil
also
contribute
carbon
unique
ways.
Firstly,
ruminant
feed
decreases
via
physical
sorption
enhanced
activities
methanotrophs.
Secondly,
can
be
green
catalyst
biorefinery.
Besides,
additive
Portland
cement
low
impact
development
(LID)
infrastructure
lowers
footprint
builds
resilience
climate
change.
Furthermore,
novel
batteries
supercapacitors
energy
storage
purposes.
Finally,
adsorption
capacity
makes
it
possible
being
sorbent
capture,
utilization,
(CCUS).
We
advocate
that
future
research
should
further
explore
effectiveness
systems
change
mitigation
large
scale
applications,
assess
economic
social
viability
local
combat
Graphical
Environment Development and Sustainability,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 4, 2024
Abstract
Food
security
remains
a
pressing
concern
in
the
face
of
an
increasing
world
population
and
environmental
challenges.
As
climate
change,
biodiversity
loss,
water
scarcity
continue
to
impact
agricultural
productivity,
traditional
livestock
farming
faces
limitations
meeting
growing
global
demand
for
meat
dairy
products.
In
this
context,
black
soldier
fly
larvae
(BSFL)
have
emerged
as
promising
alternative
sustainable
food
production.
BSFL
possess
several
advantages
over
conventional
livestock,
including
their
rapid
growth,
adaptability
various
organic
waste
substrates,
low
impact.
Their
bioconversion
rate,
ability
transform
into
valuable
products,
final
product
optimization
are
key
factors
that
enhance
potential
nutrient-rich
protein
source,
fertilizer,
biofuel.
This
review
explores
strategies
rate
improve
end
products
derived
from
BSF
treatment.
It
highlights
benefits
using
other
interventions
underscores
significance
optimizing
meet
challenges
sustainably.
Despite
prospects
BSF-derived
consumer
acceptance
regulatory
hurdles
remain
critical
aspects
address
realizing
full
market
potential.
The
utilization
source
feed
can
contribute
management,
reduce
pollution,
issue
environmentally
responsible
manner.
However,
there
is
need
further
research
innovation
ensure
safety,
quality,
economic
viability
BSF-based
both
animal
human
consumption.
Animals,
Journal Year:
2022,
Volume and Issue:
12(19), P. 2687 - 2687
Published: Oct. 6, 2022
Agriculture
produces
greenhouse
gases.
Methane
is
a
result
of
manure
degradation
and
microbial
fermentation
in
the
rumen.
Reduced
CH4
emissions
will
slow
climate
change
reduce
gas
concentrations.
This
review
compiled
studies
to
evaluate
best
ways
decrease
methane
emissions.
Longer
rumination
times
milk
methane.
Other
have
not
found
this.
Increasing
propionate
reducing
acetate
butyrate
rumen
can
hydrogen
equivalents
that
would
otherwise
be
transferred
methanogenesis.
Diet
Grain
lowers
pH,
increases
production,
decreases
yield.
generation
per
unit
energy-corrected
yield
reduces
with
higher-energy
diet.
Bioactive
bromoform
discovered
red
seaweed
Asparagopsis
taxiformis
livestock
intestinal
output
by
inhibiting
its
production.
Essential
oils,
tannins,
saponins,
flavonoids
are
anti-methanogenic.
While
it
true
plant
extracts
assist
emissions,
crucial
remember
source
produce
plants
sustainable
manner.
Minimal
lipid
supplementation
20%,
increasing
energy
density
animal
productivity.
Selecting
low-
cows
may
lower
GHG
These
findings
lead
additional
research
completely
understand
impacts
methanogenesis
suppression
on
post-absorptive
metabolism,
which
could
improve
productivity
efficiency.
Animals,
Journal Year:
2022,
Volume and Issue:
12(24), P. 3452 - 3452
Published: Dec. 7, 2022
In
ruminants’
metabolism,
a
surplus
of
hydrogen
is
removed
from
the
reduction
reaction
NAD+
(nicotinamide
adenine
dinucleotide)
by
formation
methane
methanogenic
bacteria
and
archaea
methanogens.
The
balance
calculations
between
VFA
(volatile
fatty
acids),
CO2,
CH4
indicates
that
acetate
butyrate
play
role
in
production,
while
propionate
maintains
therefore
reduces
production.
ruminant
livestock
not
desired
because
it
feed
efficiency
contributes
to
global
warming.
Therefore,
numerous
strategies
have
been
investigated
mitigate
production
ruminants.
This
review
focuses
on
additives
which
capability
reducing
emissions
Due
environmental
importance
emissions,
such
studies
are
needed
make
milk
meat
more
sustainable.
Additionally,
no
adverse
effects
rumen
microbial
population
where
result
their
sink
property,
best
methods.
Methane
inhibitors
shown
property
most
cases.
More
work
bring
methane-reducing
agents
diets
full
market
maturity,
so
farmers
can
reap
cost
savings
simultaneously
achieve
benefits.
Journal of Agriculture and Food Research,
Journal Year:
2024,
Volume and Issue:
18, P. 101345 - 101345
Published: Aug. 23, 2024
The
world's
population
is
proliferating,
and
the
growing
needs
more
food
resources.
Meat
one
of
essential
dietary
components
for
humans,
but
available
meat
resources
are
insufficient
to
fulfill
consumers'
demands.
In
this
scenario,
alternative
could
be
a
sustainable
resource
fulfilling
demand.
Cultured
best
alternatives
also
has
potential
demand
population.
produced
by
cultivating
animal
stem
cells
allowing
them
undergo
growth
division
process
that
closely
mimics
natural
cellular
development
inside
living
organisms.
primary
reasons
behind
cultured
production
minimize
environmental
effect
reducing
methane
emissions,
cost
so
it
will
economical
consumer,
provide
antibiotic-free
meat.
This
review
explains
new
technologies
being
introduced
create
opportunities
improve
overall
It
explores
sector's
market
challenges
industry.
Translational Animal Science,
Journal Year:
2025,
Volume and Issue:
9
Published: Jan. 1, 2025
Abstract
The
livestock
sector
plays
a
crucial
role
in
mitigating
global
climate
change
by
reducing
greenhouse
gas
emissions,
with
enteric
fermentation
as
the
largest
source.
Although
various
approaches
have
been
proposed
to
decrease
methane
(CH4)
feed
additives
containing
bromoform
(CHBr3)
shown
promise
minimal
impact
on
animal
production
parameters.
This
study
aimed
evaluate
effects
of
two
Rumin8
Investigational
Veterinary
Products
(IVP)
synthetic
CHBr3
parameters,
and
rumen
environment.
Twenty-four
Angus
beef
steers
were
randomly
assigned
one
three
treatment
groups:
Control,
Oil
(8
mL
oil
IVP/kg
DMI),
Powder
(1.2
g
powder
DMI).
IVP
resulted
intake
32.2
mg/kg
DMI,
while
provided
2.0
DMI
during
weeks
1–8.
In
week
9,
new
batch
increased
17.9
DMI.
group
exhibited
95.0%,
96.1%
reductions
CH4
(g/day),
yield
(g/kg
intensity
average
daily
gain),
respectively,
accompanied
925%,
934%,
858%
increases
H2
production,
yield,
intensity,
respectively.
Neither
significantly
affected
parameters
or
environment
variables.
These
findings
suggest
that
has
potential
reduce
emissions.
warrants
further
investigation,
this
is
first
published
vivo
assess
compound
efficacy.
Animals,
Journal Year:
2025,
Volume and Issue:
15(6), P. 781 - 781
Published: March 10, 2025
Polygain™
(PG),
a
polyphenolic
extract
from
sugarcane,
has
recently
been
identified
as
potential
additive
to
reduce
methane
(CH4)
emissions
in
livestock.
This
experiment
examined
the
effects
of
PG
on
enteric
CH4
emission
Holstein
Friesian
weaned
calves.
Calves
were
allocated
annual
pasture
grazing
and
received
supplementary
pellets
(200
g/calf/day;
Barastoc
calf-rearer
cubes—Ridley
Corporation).
The
experimental
design
followed
was
completely
randomized
(CRD),
comprising
24
female
calves
(4–5
months
old)
two
equal
groups;
control
(standard
pellets)
vs.
treatment
(pellets
formulated
by
adding
deliver
10
g
PG/calf/day).
Experimental
diets
fed
for
three
between
August
November
2023,
including
two-week
adaptation
period.
weighed
at
start
end
study.
A
GreenFeed
(C-Lock
Pvt
Ltd.)
monitoring
unit
(GEM)
used
measure
GHG
their
groups
2-day
rotational
cycle.
During
visit
GEM,
encouraged
enter
an
enclosed
area
or
individual
feeding
stall
where
CH4,
CO2,
O2,
H2,
H2S
measurements
taken.
results
indicated
significant
effect
supplementation
calves,
with
lower
production
supplemented
(26.66
±
2.06
g/day)
compared
group
(35.28
1.39
g/day,
p
<
0.001).
CO2/O2
ratio
(235
14)
(183
9.6)
differed
significantly
(p
Overall,
(10
g/calf/day)
reduced
average
per
day
did
not
adversely
affect
growth
development
confirming
its
useful
anti-methanogenic
potential.