A
agropecuária
brasileira
está
entre
as
maiores
do
mundo,
com
destaque
na
produção
de
proteínas
e
grãos.
Para
o
tratamento
dos
resíduos
orgânicos
oriundos
dessa
enorme
é
necessário
adequar
técnicas
produtivas
brasileiras
para
atendimento
também
da
legislação
ambiental.
Nesse
sentido,
a
digestão
anaeróbia
atualmen
te
uma
das
opções
mais
consolidadas
no
Brasil
apresenta
oportunidades
diante
outras
técnicas,
como
compostagem
biogás.
Este
biocombustível
pode
ser
purificado
biometano
ou
permitir
geração
hidrogênio
verde,
que
promover
diversas
ao
planejamento
energético
brasileiro.
Essas
impactos
decorrentes
utilização
fontes
renováveis
energia
podem
internalizadas
em
análises
econômicas
aprofundadas
englobam
externalidades
en
volvidas.
Na
literatura,
apesar
reconhecidas,
biogás
são
pouco
exploradas,
especial
relação
à
quantificação
econômica.
Nesta
pesquisa
foi
proposta
metodologia
série
relacionadas
elétrica
por
meio
queima
O
valor
econômico
conjunto
superar,
alguns
casos,
gerada
esse
combustível.
Avaliou
-se
também,
comparativamente,
sistemas
fotovoltaicos,
demonstrando
superam
fotovoltaicos.
valiosas
constatações
reforçam
importância
aprimoramento
políticas
públicas
incentivo
às
um
todo.
Atualmente,
Brasil,
incentiva-se
igualmente
distribuída
renováveis,
única
tarifa
net
metering.
Como
forma
impulsionar
crescimento
país,
avaliaram-se,
simulação,
automatizada
aspectos
econômicos
implementação
aquecimento
revolvimento
diferentes
espessuras
isolamento
biodigestores
tipo
lagoa
coberta.
Os
resultados
simulação
indicaram
biodigestor
instalado
Zona
Mata
mineira,
latitude
20°
34’
07,2’’
S,
possível
aumentar
até
cerca
12%.
Concluiu-se
que,
climas
frios
local
estudado,
viabilidade
econômica
simulados
10
vezes
maior.
Tendo
vista
ambientais
positivas
pequena
exploração
seu
potencial
produção,
avaliaram-se
rotas
seus
derivados
e,
ou,
verde
partir
pecuária,
vegetal
saneamento
urbano.
Essa
avaliação
apontou
brasileiro
seria
suficiente
substituir
metade
demanda
combustíveis
não
setor
transportes
atualmente
maior
energética.
Assim,
nesta
foram
evidenciados
renovabilidade
energética
sua
matriz,
uso
intensivo
verde.
Palavras-chave:
Biodigestão.
Energia
renovável.
Planejamento
energético.
Hidrogênio
Automação.
Sustainability,
Год журнала:
2024,
Номер
16(9), С. 3521 - 3521
Опубликована: Апрель 23, 2024
The
primary
aim
of
this
research
was
to
evaluate
and
compare
the
environmental
impacts,
throughout
life
cycle,
main
treatment
systems
employed
by
industry,
as
well
identify
processes
that
contribute
most
these
impacts.
To
achieve
this,
a
bibliographical
search
conducted
using
Web
Science
Core
Collection
database
platform,
utilizing
keywords
“life
cycle
assessment”,
“pig”,
“treatment”,
“manure”
or
“slurry”.
restricted
publications
from
last
five
years
(2019–2023),
resulting
in
total
66
were
then
analyzed
according
functional
unit
(FU)
adopted.
For
10
whose
FUs
expressed
tons
cubic
meters
treated
manure,
descriptive
quantitative
analysis
carried
out.
It
found
anaerobic
digestion
has
been
widely
used
technology
for
pig
manure
over
past
years,
LCA
methodology.
These
systems,
configured
biogas
biofertilizer
production
facilities,
have
proven
be
environmentally
friendly
could
play
crucial
role
energy
transition
decarbonization
matrix.
Resources Conservation and Recycling,
Год журнала:
2024,
Номер
208, С. 107735 - 107735
Опубликована: Июнь 2, 2024
The
escalating
challenges
of
resource
scarcity
and
environmental
degradation
in
agroecosystems
necessitate
innovative
strategies
for
sustainable
nutrient
management.
This
review
explores
the
integration
circular
economy
principles
into
recovery
frameworks,
emphasizing
eco-innovative
technologies
that
promote
sustainability
resilience
agricultural
practices.
By
examining
various
on-farm
circularity
practices
their
efficacy
recovery,
we
highlight
potential
nature-inspired
solutions
such
as
constructed
wetlands
algae-based
systems
to
reduce
impacts
enhance
use
efficiency.
findings
advocate
a
paradigm
shift
towards
advanced
management
leverage
eco-innovation
greenhouse
gas
emissions,
optimize
use,
align
with
global
goals.
adoption
these
can
significantly
contribute
transformation
sector.
Sustainability,
Год журнала:
2025,
Номер
17(4), С. 1406 - 1406
Опубликована: Фев. 9, 2025
The
circular
economy
(CE)
offers
a
promising
framework
for
sustainable
resource
management;
however,
assessing
its
performance
remains
challenging
due
to
lack
of
robust
methodologies,
metrics,
and
data.
In
agrifood
systems,
CE
has
the
potential
improve
efficiency
food
security.
However,
limited
research
explored
interventions
in
this
sector,
emphasizing
need
tailored
assessment
tools.
This
study
seeks
advance
intervention
evaluation
systems
through
realist
literature
review
discussion
on
system
assessments
bridge
identified
knowledge
gaps.
Our
reveals
that
most
frameworks
only
address
technical
or
environmental
dimensions
their
measurable
nature
predominance
laboratory
research.
focus
underscores
necessity
incorporating
real-world
contexts.
Insights
from
evaluations
suggest
future
should
develop
holistic
encompassing
technical,
environmental,
social,
economic
dimensions.
A
systems-thinking
approach
is
important
understanding
complex
interactions
among
these
dimensions,
involving
mapping,
key
component
identification,
development
context-specific
metrics
adaptable
global
local
settings,
particularly
low-
middle-income
countries.
Active
stakeholder
collaboration
throughout
design,
data
collection,
essential
creating
relevant
indicators.
Integrating
elements
supports
comprehensive
systems.
Sustainability,
Год журнала:
2023,
Номер
15(5), С. 4548 - 4548
Опубликована: Март 3, 2023
Anaerobic
digestion
(AD)
is
widely
used
for
the
sustainable
treatment
of
biological
wastes
and
production
biogas.
Its
byproduct,
digestate,
a
valuable
organic
waste
needs
appropriate
management,
which
one
major
concerns
with
negative
impact
on
efficiency
biogas
installations.
One
approach
to
extend
utilization
digestate
as
well
improve
its
handling
storage
characteristics
compaction
into
pellets.
This
study
aimed
evaluate
behavior
during
cyclic
loading
unloading
in
closed
matrix.
The
findings
presented
here
may
provide
insights
mechanisms
pellet
formation
optimizing
pellets
improving
their
management.
can
be
considered
novel
it
applied
loading,
first
time,
view
densification
modeling
pelleting
prediction.
A
Zwick
universal
machine
was
experiments.
moisture
content
found
10–22%.
Samples
were
loaded
constant
amplitude
20
kN
10
cycles.
distribution
energy
inputs,
including
total
energy,
permanent
deformations,
lost
elastic
ones,
thoroughly
evaluated.
decrease
observed
cycle,
cycles
2–10,
after
all
due
rise
digestate.
Similar
relations
also
nonrecoverable
part.
In
subsequent
loading/unloading,
values
deformation
fell
asymptotically.
most
noteworthy
that
absolute
consistent
across
levels.
However,
noted
percentage
dissipated
significantly
increased
increased.
Loading,
contributed
identified
key
factor
causing
an
increase
cumulative
majority
expended
dissipated.
Dissipated
only
component
permanently
altered
required
compaction.
Another
important
finding,
resulted
from
analysis
successive
courses
curves,
shape
areas
enclosed
between
loading/unloading
curves
influenced
by
Nowadays,
one
of
the
major
environmental
problems
at
global
level
is
fact
that
water
polluted
by
huge
loads
organic
and
inorganic
compounds,
heavy
metals
(HMs),
chemicals
produced
agricultural,
industrial,
human
activities.
The
treatment
these
wastewaters
(WW)
represents
a
challenge
for
many
countries.
Among
various
approaches
can
be
adopted
to
remediate
WWs,
an
environmentally
friendly
costless
option
adoption
biological
technologies
such
as
use
microalgae-based
technologies,
referred
phycoremediation.
Due
nature
microalgae
are
able
growth
produce
biomass
exploiting
nutrients
some
compounds
found
in
water.
In
this
way,
they
reduce
concentrations
WWs.
attractive
related
photosynthetic
microorganisms
used
multipurpose
applications
remediation
WWs
capture
carbon
dioxide,
representing
same
time
useful
feedstock
exploited
food,
feed,
biodiesel
well
fertilizers,
biopesticides,
bio-stimulants
agricultural
sector.
This
review
will
encompass
direct
utilization
microalgal
phycoremediation
valuable
production
bio-stimulants,
biofertilizers,
biopesticides
An
analysis
role
played
products
valid
alternative
traditional
agrochemicals
has
been
discussed.
