Sustainability,
Journal Year:
2025,
Volume and Issue:
17(4), P. 1425 - 1425
Published: Feb. 9, 2025
Amid
the
pressing
challenge
of
global
climate
change,
biogas
(marsh
gas)
has
garnered
recognition
as
a
clean
and
renewable
energy
source
with
significant
potential
to
reduce
greenhouse
gas
emissions
support
sustainable
production.
Composed
primarily
methane
(CH4)
carbon
dioxide
(CO2),
enhancing
CH4
content
in
is
essential
for
improving
its
quality
expanding
high-value
applications.
This
review
examines
mechanisms
underlying
CO2
production
anaerobic
digestion
(AD)
processes;
investigates
effects
raw
material
types,
process
routes,
fermentation
conditions
on
content;
proposes
feasible
technical
pathways
producing
CH4-rich
biogas.
Research
indicates
that
can
be
produced
through
various
strategies.
Raw
pretreatment
technologies
co-digestion
strategies
enhance
substrate
performance,
stabilize
AD
process,
boost
Process
optimizations,
such
multiphase
co-production
techniques,
significantly
improve
utilization
efficiency.
Introducing
exogenous
reinforcement
materials,
including
biochar
zero-valent
iron
nanoparticles,
fosters
microbial
interactions
facilitates
direct
interspecies
electron
transfer
(DIET).
Furthermore,
regulation
genetic
engineering
community
design
presents
promising
prospects.
By
reviewing
production,
influencing
factors,
pathways,
this
work
aims
provide
valuable
insights
research
produce
International Journal of Molecular Sciences,
Journal Year:
2023,
Volume and Issue:
24(15), P. 12470 - 12470
Published: Aug. 5, 2023
Continuous
cropping
(CC)
is
a
common
practice
in
agriculture,
and
usually
causes
serious
economic
losses
due
to
soil
degeneration,
decreased
crop
yield
quality,
increased
disease
incidence,
especially
medicinal
plants.
obstacles
(CCOs)
are
mainly
changes
microbial
communities,
nutrient
availability,
allelopathic
effects.
Recently,
progressive
studies
have
illustrated
the
molecular
mechanisms
of
CCOs,
valid
strategies
overcome
them.
Transcriptomic
metabolomics
analyses
revealed
that
identified
DEGs
(differently
expressed
genes)
metabolites
involved
response
CCOs
various
biological
processes,
including
photosynthesis,
carbon
metabolism,
secondary
metabolite
biosynthesis,
bioactive
compounds.
Soil
improvement
an
effective
strategy
this
problem.
amendments
can
improve
community
by
increasing
abundance
beneficial
microorganisms,
fertility,
availability.
In
review,
we
sum
up
recent
status
research
on
plants,
combination
transcriptomic
studies,
related
control
strategies,
uses
amendments,
rotation,
intercropping.
Finally,
propose
future
trends
for
understanding
these
promote
sustainable
agriculture
practices
Chemical Engineering Journal,
Journal Year:
2021,
Volume and Issue:
428, P. 131015 - 131015
Published: July 1, 2021
Volatile
fatty
acids
(VFAs)
accumulation
is
a
common
problem
in
anaerobic
digestion,
which
constraining
the
process.
In
this
study,
bioaugmentation
was
initially
adopted
as
measure
to
tackle
acidification
continuous
digester.
However,
after
stopped,
promotive
effect
of
hard
sustain.
comparison,
combination
and
Activated
charcoal
(AC)
enabled
better
reactor
performance.
The
positive
impact
AC
on
recovery
from
sequential
batch
reactors
thus
investigated
by
feeding
either
propionate
or
acetate.
results
implied
that
addition
significantly
increased
degradation
rate
propionate,
accelerating
biogas
production
(104
~
371%).
Moreover,
role
mainly
immobilization
microorganisms
form
bio-AC
owing
AC's
physical
characteristics
(high-surface-area
large
number
pores
enables
adsorption
microorganisms).
biofilms
decreased
distance
between
microbes
delayed
washout
microorganisms,
enabling
longer-lasting
bioaugmentation.
16S-rRNA
analysis
showed
led
enrichment
syntrophic
microbial
guilds
(syntrophic
VFAs
oxidizing
bacteria
hydrogenotrophic
methanogens).
potential
function
(PICRUSt2)
indicated
significant
enhancement
formylmethanofuran
dehydrogenase
(EC
1.2.7.12)
coenzyme
F420
hydrogenase
1.12.98.1)
AC.
suggested
promoted
interspecies
electron
transfer.
Environment International,
Journal Year:
2024,
Volume and Issue:
186, P. 108599 - 108599
Published: March 26, 2024
Ciprofloxacin
(CIP)
poses
a
high
risk
of
resistance
development
in
water
environments.
Therefore,
comprehensive
effects
and
recovery
strategies
CIP
anaerobic
ammonia
oxidation
(anammox)
process
were
systematically
elucidated
from
consortia
pure
strains
perspectives.
The
anammox
was
not
significantly
affected
by
the
stress
10
mg
L
