Borneo AKademika,
Journal Year:
2023,
Volume and Issue:
7(2), P. 70 - 76
Published: Dec. 1, 2023
Phosphorus
(P)
is
considered
a
limited
and
non-renewable
mineral
source
that
essential
in
our
daily
lives,
especially
for
the
agricultural
industry
to
produce
fertilizer.
Food
Waste
(FW),
Palm
Oil
Mill
Effluent
Sludge
(POMES),
Water
Treatment
(WTS)
are
wastes
claimed
contain
nutrients
such
as
P.
One
of
methods
can
be
used
recover
P
through
Anaerobic
Mesophilic
Digestion
(AMD)
technique.
Therefore,
this
study
was
carried
out
investigate
highest
recovery
time
digestion
from
single
mixing
substrates.
The
physicochemical
biological
properties
raw
FW,
POMES,
WTS
were
determined,
it
reported
suitable
undergo
AMD
process.
conditions
350C
(±1)
appropriate
anaerobic
bacteria
(AB)
reproduce
grow.
Results
substrates
found
POMES
recovered
with
57.88%
(±1.24),
optimum
at
day
12.
While
FW
31.94%
(±0.76)
26.47%
(±1.51),
respectively,
times
both
days
18
(FW)
21
(WTS),
which
longer
than
POMES.
In
substrates,
FW-POMES
contributed
value
68.34%
(±1.49),
on
9.
Followed
by
WTS-POME,
FW-WTS,
FW-POMES-WTS
values
60.42%
(±2.12)
(day
15),
48.05%
(±2.51)
8),
20.85%
(±1.33)
3),
respectively.
better
synergetic
effect
within
could
eventually
influence
removal
substrate
short
period
time.
Moreover,
also
provides
information
new
strategies
recovering
Keyword(s)
:
recovery,
Waste;
Sludge;
Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
2024, P. 1 - 25
Published: April 8, 2024
Many
operational
parameters,
either
discretely
or
collectively,
can
influence
the
biodegradation
performance
towards
enhancing
biogas
yield
and
quality.
Among
operating
organic
loading
rate
(OLR),
inoculum-substrate
ratio,
carbon-nitrogen
ratio
(C/N)
are
most
critical
parameters
in
optimization
enhancement
of
yield.
Optimization
production
processes
depends
on
ability
anaerobic
microorganisms
to
respond
variations
such
as
pH,
redox
potential,
intermediate
products
enhance
This
review
article
focuses
role
process
kinetic
models,
artificial
intelligence,
Aspen
Plus
(AP),
digestion
model
no.
1
(ADM1)
optimizing
via
an
codigestion
(AcoD)
process.
The
showed
that
biomaterials
upgraded
extent
400%,
removal
efficiency
reached
up
90%
compared
a
single
substrate.
In
addition,
current
work
has
verified
is
effective
tool
for
signifying
hydrolysis
phase
rate-limiting
step,
whereas
AP
design
AcoD
parameters.
reviewed
AI
models
show
strong
correlation
values
ranging
from
0.931
0.9991
0.8700
0.9998,
respectively.
system
involves
complex
chemical
reactions,
but
might
have
limitations
representing
with
nonideal
behavior
complicated
reaction
mechanisms.
reliable
input
highly
limited
nonexistent.
opens
fresh
research
opportunities,
including
improved
efficiency,
finding
appropriate
retention
time,
saving
well
optimum
gives
insightful
understanding
parameter
valuable
strategies
policy
development
sustainability
sector.
Energies,
Journal Year:
2025,
Volume and Issue:
18(2), P. 338 - 338
Published: Jan. 14, 2025
Agribusiness
ranks
second
as
the
sector
with
highest
greenhouse
gas
emissions
linked
to
methane,
constituting
a
crucial
challenge
for
global
sustainability.
Although
its
impact
on
climate
change
is
considerable,
small
rural
farmers
do
not
have
effective
technologies
manage
organic
waste
derived
from
their
daily
activities.
In
this
context,
anaerobic
digestion
an
innovative
solution
that
converts
into
biogas
and
biofertilizers,
promoting
sustainable
circular
approach.
However,
implementation
faces
significant
barriers
due
inadequate
designs
poor
operational
practices,
which
makes
adoption
difficult
in
areas.
This
applied
theoretical
research
seeks
overcome
these
by
improving
design
operation
of
small-scale
plants.
The
system
studied
operates
at
70%
capacity,
hydraulic
retention
time
20
days
feed
4
kg
matter.
substrates
considered
were
30%
bovine
manure,
achieving
average
production
63.75
L
CH4/kg
matter,
exceeded
usual
yields
biodigesters.
A
mathematical
model
was
created
case
study
R2
correlation
98%
pseudo-R2
89.5%,
evidencing
remarkable
predictive
capacity.
plant
efficient
sustainable,
it
presented
viable
farmers.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 25, 2025
Abstract
Fish
waste
(FW)
is
a
promising
substrate
for
anaerobic
digestion
due
to
its
high
biogas
potential
from
rich
protein
and
fat
content.
However,
mono-digestion
of
FW
can
lead
problems
such
as
fatty
acid
accumulation,
so
co-digestion
with
other
organic
wastes
often
used
enhance
efficiency.
This
study
evaluates
the
primary
sludge
(PS)
through
biochemical
methane
tests
varying
FW:PS
mixing
ratios
(0:100,
3:97,
7:93,
12:88,
50:50,
100:0,
weight
basis)
determine
optimal
ratio,
analyze
kinetic
parameters,
investigate
microbial
community
changes.
The
PS
at
12:88
ratio
produced
highest
yield
(459
mL/g
VSadded),
indicating
that
improves
modified
Gompertz
logistic
models
demonstrated
their
capability
describe
process,
differences
between
measured
predicted
yields
ranging
1.6–9.6%
(R²
≥
0.979).
As
fish
content
increased,
abundance
Methanospirillum,
which
had
abundance,
increased
whereas
Candidatus
Cloacamonas
decreased.
increase
in
has
an
effect
on
enrichment
hydrogenotrophic
methanogens,
Methanospirillum.
suggests
improve
efficiency
while
converting
into
energy
valorization.
Fermentation,
Journal Year:
2023,
Volume and Issue:
9(9), P. 784 - 784
Published: Aug. 24, 2023
The
European
Union
has
recommended
that
about
10–50%
of
the
global
energy
requirement
should
be
supplemented
by
waste
biomass
resources
2050
in
order
to
achieve
objective
having
net-zero-emission
economies.
This
led
intensive
research
being
conducted
on
developing
appropriate
biofuel
production
technologies
using
advanced
or
integrated
systems
tackle
local,
national,
and
challenges
feedstock.
Researchers
have
realized
potential
microbes
(e.g.,
yeast
strains)
for
bioenergy
production.
For
this
paper,
both
non-oleaginous
oleaginous
yeasts
were
reviewed,
with
a
specific
focus
placed
their
diversity
metabolism
tolerance
various
arise
from
use
feedstock
influence
bioprocessing.
Gathering
in-depth
knowledge
information
paved
way
newer
better
employ
them
consolidated
biorefineries
not
only
produce
biofuels
but
also
cut
down
process
expenses
decrease
risks
net
carbon
emissions.
rationale
strains
improved
metabolic
engineering
genetic
manipulation
can
substantially
meet
alternate
fuel
is
described
paper.
literature
review
presents
advantages
disadvantages
yeast-based
highlights
advancements
how
they
contrast
conventional
methods.
Over
last
decade,
scientific
publications
endorsed
idea
environmentally
friendly,
cost-effective,
sustainable
Energies,
Journal Year:
2023,
Volume and Issue:
16(18), P. 6497 - 6497
Published: Sept. 8, 2023
Biogas
from
lignocellulosic
feedstock
is
a
promising
energy
source
for
decentralized
renewable
electricity,
heat,
and/or
vehicle
fuel
generation.
However,
the
selection
of
suitable
crop
should
be
based
on
several
factors
such
as
biomass
yields
and
characteristics
or
biogas
economic
returns
if
used
in
biorefineries.
Furthermore,
food-to-fuel
conflict
use
specific
must
mitigated
through
smart
cropping
techniques.
In
this
study,
potential
sweet
sorghum
an
grown
during
fallow
periods
sugarcane
cultivation
was
evaluated.
Nine
cultivars
were
sandy
loam
soil
September
2020
North
Queensland,
Australia.
The
overall
results
showed
that
maturity
had
profound
influence
chemical
composition
yields.
Further,
total
insoluble
soluble
sugar
varied
among
tested
dependent
plant
height
composition.
ranged
46.9
to
82.3
tonnes/hectare
(t/ha)
terms
wet
weight
(w/w)
cultivars,
with
SE-81
cultivar
registering
highest
yield
per
hectare.
gross
production
determined
methane
Biochemical
(BMP)
studies
batch
experiments
at
37
°C
175
227.91
NmL
CH4/gVSadded
obtained
cultivars.
maximum
SE-35.
produced
hectare
basis
(3059.18
Nm3
CH4/ha).
This
equivalent
value
761.74
MWh/year
compressed
biomethane
(BioCNG)
sufficient
95
passenger
cars
travelling
10,000
km
annum.
Overall,
study
demonstrated
could
cultivated
period
Queensland.
