Agriculture,
Год журнала:
2025,
Номер
15(7), С. 728 - 728
Опубликована: Март 28, 2025
Anaerobic
digestion
is
an
important
technology
for
energy
recovery
from
organic
waste.
However,
methanogenesis
restricted
by
some
barriers,
such
as
the
low-speed
bottleneck
of
interspecies
electron
transfer
(IET),
low
hydrogen
partial
pressure
limitation,
trace
element
deficiency,
etc.,
resulting
in
poor
system
stability
and
methane
production.
Recently,
multiple
iron
accelerants
have
been
employed
to
overcome
above
challenges
proven
effective
enhancing
methanogenesis.
This
study
reviews
effects
(Fe0,
Fe3O4
magnetite,
Fe2O3
hematite,
salts
other
accelerants)
on
anaerobic
terms
production,
process
microbial
community
elaborates
mechanisms
mediating
direct
(DIET)
syntrophic
methanogenic
community,
strong
reducibility
promoting
methanogenesis,
provision
nutrient
elements
microorganisms,
etc.
The
potential
engineering
application
current
research
advances
regarding
environmental
impacts
are
also
summarized.
Although
exhibit
positive
digestion,
most
focuses
laboratory
small-scale
investigations,
its
large-scale
should
be
further
verified.
Future
focus
elucidating
developing
diverse
methods
different
types
systems,
optimizing
applications,
exploring
high-efficiency
strategies
accelerants.
