Energies,
Год журнала:
2022,
Номер
15(11), С. 4064 - 4064
Опубликована: Июнь 1, 2022
Nowadays,
sustainable
and
renewable
energy
production
is
a
global
priority.
Over
the
past
decade,
several
Power-to-X
(PtX)
technologies
have
been
proposed
to
store
convert
surplus
of
energies
into
chemical
bonds
chemicals
produced
by
different
processes.
CO2
major
contributor
climate
change,
yet
it
also
an
undervalued
source
carbon
that
could
be
recycled
represents
opportunity
generate
energy.
In
this
context,
PtX
would
allow
for
valorization
fuels
while
reducing
greenhouse
gas
(GHG)
emissions.
With
work
we
want
provide
up-to-date
overview
biomethanation
as
technology
considering
biological
aspects
main
parameters
affecting
its
application
scalability
at
industrial
level.
Particular
attention
will
paid
concept
CO2-streams
integration
process
with
energies.
Aspects
related
new
promising
such
in
situ,
ex
hybrid
underground
methanation
discussed,
connection
recent
cases.
Furthermore,
technical
economic
feasibility
critically
analyzed
highlight
current
options
limitations
implementing
process.
Environmental Chemistry Letters,
Год журнала:
2022,
Номер
20(5), С. 2853 - 2927
Опубликована: Июль 5, 2022
Abstract
The
Ukraine
conflict
has
put
critical
pressure
on
gas
supplies
and
increased
the
price
of
fertilisers.
As
a
consequence,
biogas
gained
remarkable
attention
as
local
source
both
for
energy
biofertiliser
agriculture.
Moreover,
climate
change-related
damage
incentivises
all
sectors
to
decarbonise
integrate
sustainable
practices.
For
instance,
anaerobic
digestion
allows
decarbonisation
optimal
waste
management.
Incorporating
system
in
each
country
would
limit
global
warming
2
°C.
If
suitable
policies
mechanisms
are
implemented,
industry
could
reduce
greenhouse
emissions
by
3.29–4.36
gigatonnes
carbon
dioxide
equivalent,
which
represent
about
10–13%
emissions.
Here,
we
review
role
sector
capturing
methane
mitigating
associated
with
outputs.
Since
impurities
can
cause
severe
practical
difficulties
storing
grid
delivering
systems,
present
upgrading
technologies
that
remove
or
consume
raw
biogas,
achieve
minimum
95%
content.
We
discuss
hydrogen-assisted
biological
sequestration
converting
biomethane
via
utilising
hydrogen
generated
primarily
through
other
renewable
sources
such
water
electrolysis
photovoltaic
solar
facilities
wind
turbines.
This
conceptual
shift
'power
gas'
excess
grids.
By
produced
during
into
additional
biomethane,
potential
meet
53%
demand
fossil
natural
gas.
also
evaluate
digestate
from
systems
producing
biochar,
be
used
directly
indirectly
biomethanation
enhancement,
upgrading,
cleaning
material.
Frontiers in Energy Research,
Год журнала:
2020,
Номер
8
Опубликована: Ноя. 27, 2020
Sugarcane
is
the
most
produced
agricultural
commodity
in
tropical
and
subtropical
regions,
where
it
primarily
used
for
production
of
sugar
ethanol.
The
latter
mostly
to
produce
alcoholic
beverages
as
well
low
carbon
biofuel.
Despite
well-established
chains,
their
respective
residues
by-products
present
unexploited
potentials
further
product
portfolio
diversification.
These
fully
or
partially
untapped
streams
are
a)
sugarcane
trash
straw
that
usually
remain
on
fields
after
mechanized
harvest,
b)
ashes
derived
from
bagasse
combustion
cogeneration
plants,
c)
filter
cake
clarification
juice,
d)
vinasse
which
liquid
residue
distillation
ethanol,
e)
biogenic
CO
2
emitted
during
ethanol
fermentation.
development
innovative
cascading
processes
using
these
residual
biomass
fractions
could
significantly
reduce
final
disposal
costs,
improve
energy
output,
greenhouse
gas
emissions,
extend
mills.
This
study
reviews
not
only
state-of-the-art
biorefinery
concepts,
but
also
proposes
ways
valorizing
biomass.
therefore
structured
four
main
areas,
namely:
i)
Cascading
use
organic
carboxylates,
bioplastic,
bio-fertilizer
production,
ii)
recovery
via
anaerobic
digestion
biogas,
iii)
valorization
sources,
iv)
silicon
ashes.
