Energies,
Год журнала:
2025,
Номер
18(2), С. 338 - 338
Опубликована: Янв. 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.
Energies,
Год журнала:
2023,
Номер
16(15), С. 5852 - 5852
Опубликована: Авг. 7, 2023
The
quest
for
sustainable
and
environmentally
friendly
fuel
feedstocks
has
led
to
the
exploration
of
green
solvents
extraction
bio-oil
from
various
biomass
sources.
This
review
paper
provides
a
comprehensive
analysis
challenges
future
research
outlooks
different
categories
solvents,
including
bio-based
water-based
supercritical
fluids,
deep
eutectic
(DES).
background
each
solvent
category
is
discussed,
highlighting
their
potential
advantages
limitations.
Challenges
such
as
feedstock
sourcing,
cost
fluctuations,
properties
variability,
limited
compatibility,
solute
solubility,
high
costs,
toxicity
are
identified
examined
in
detail.
To
overcome
these
challenges,
should
focus
on
alternative
abundant
sources,
development
improved
solubility
separation
techniques,
optimization
process
parameters,
cost-effective
equipment
design,
standardization
DES
compositions,
toxicological
studies.
By
addressing
advancing
areas,
can
be
further
enhanced,
promoting
widespread
adoption
contributing
more
industrial
processes.