The
performance
of
anaerobic
digestion
(AD)
is
susceptible
to
disturbances
in
feedstock
degradation,
intermediates
accumulation,
and
methanogenic
archaea
activity.
To
improve
the
methanogenesis
AD
system,
Fe-N
co-modified
biochar
was
prepared
under
different
pyrolysis
temperatures
(300,500,
700℃).
Meanwhile,
pristine
Fe-modified
were
also
derived
from
alternanthera
philoxeroides
(AP).
aim
compare
effects
co-modification,
Fe
modification,
on
explicit
responding
mechanism
microbial
community
AP
cow
manure
(CM).
highest
cumulative
methane
production
obtained
with
addition
Fe-N-BC500
(260.4
mL/gVS),
which
42
%
higher
than
control,
while
concentrations
acetic
acid,
propionic
butyric
acid
increased
by
148%,
44%,
194%
compared
respectively.
enhanced
abundance
Chloroflexi
Methanosarcina
system.
Metabolic
pathway
analysis
revealed
that
related
formation
metabolism
volatile
fatty
acids
biosynthesis
coenzyme
A
cell
activity
microorganisms,
accelerating
degradation
enhancing
hydrogenotrophic
pathway.
Overall,
proved
be
an
effective
promoter
for
accelerated
during
AD.
Environmental Technology & Innovation,
Journal Year:
2023,
Volume and Issue:
30, P. 103100 - 103100
Published: March 9, 2023
Transition
from
fossil
fuels
to
non-conventional
sources
is
needed
tackle
the
global
energy
crisis
and
environment
related
issues.
Thus,
use
of
organic
waste
generated
various
industrial
sectors
can
help
produce
gaseous
through
anaerobic
digestion,
photo
dark
fermentation,
other
biochemical
strategies.
Current
biogas
biohydrogen
production
practices
are
less
efficient
require
additional
interventions
for
biofuel
yield
improvement.
In
this
regard,
adding
biochar
has
shown
enhancing
fuel
by
about
5%–400%,
adsorbing
inhibitors
such
as
ammonia,
pathogens,
hydrogen
sulfide,
activating
gas-producing
mesophilic
thermophilic
microorganisms.
This
review
provides
recent
updates
future
perspectives
associated
with
effect
on
its
underlying
mechanism.
Further,
there
a
need
establishing
circular
bioeconomy
approach
utilization
'waste-chain',
which
techno-economic
analysis
life-cycle
assessment
required.
