Water,
Journal Year:
2023,
Volume and Issue:
15(7), P. 1303 - 1303
Published: March 25, 2023
Leachates
from
landfills
are
highly
polluted
with
a
considerable
content
of
organic
and
inorganic
pollutants
which
pose
severe
deterioration
to
environment
including
soil,
groundwater,
surface
water
air.
Several
mitigative
measures
have
been
applied
for
effective
management
leachate
such
as
biological
treatment,
engineering
device
control
migration,
physical/chemical
membrane
technology.
Among
the
alternatives,
anaerobic
digestion
(AD)
is
promising,
removal
high
potential
renewable
energy
production
nutrient
recovery.
Landfill
(LFL)
an
excellent
source
substrate
in
AD
system,
its
matters.
The
advantages
disadvantages
LFL
were
extensively
discussed
this
review
terms
co-substrate,
pre-treatment
application,
types
design
parameters
digester.
critically
evaluated
previous
studies
on
treatment
using
system
well
factors
can
enhance
efficiency,
application
integrated
additive
substances
inhibition
factors.
Pre-treatment
methods
meet
desired
effluent
quality
before
discharging
into
receiving
bodies.
also
highlighted
kinetic
modelling
machine
learning
practices,
along
generation
LFL.
Additionally,
explored
various
strategies,
recent
advances
LFL,
suggested
that
there
requirement
further
improve
configuration
functioning
precursor
selecting
suitable
LFL-treatment
Polymers,
Journal Year:
2023,
Volume and Issue:
15(16), P. 3421 - 3421
Published: Aug. 16, 2023
This
review
article
focuses
on
the
potential
of
biopolymer-based
nanocomposites
incorporating
nanoparticles,
graphene
oxide
(GO),
carbon
nanotubes
(CNTs),
and
nanoclays
in
adsorption
membrane
filtration
processes
for
water
treatment.
The
aim
is
to
explore
effectiveness
these
innovative
materials
addressing
scarcity
contamination
issues.
highlights
exceptional
capacities
improved
performance
offered
by
chitosan,
GO,
CNTs,
which
make
them
effective
removing
heavy
metals,
organic
pollutants,
emerging
contaminants
from
water.
It
also
emphasizes
high
surface
area
ion
exchange
capacity
nanoclays,
enabling
removal
contaminants,
dyes.
Integrating
magnetic
(Fe2O4)
adsorbents
technologies
highlighted
enhance
separation
efficiency.
limitations
challenges
associated
are
discussed.
concludes
emphasizing
importance
collaboration
with
industry
stakeholders
advancing
sustainable
comprehensive
treatment
solutions.
Biotechnology for Biofuels and Bioproducts,
Journal Year:
2025,
Volume and Issue:
18(1)
Published: Jan. 21, 2025
This
study
explores
the
use
of
conductive
material
in
scaling
up
anaerobic
digestion
for
enhanced
biogas
production.
Focusing
on
Direct
Interspecies
Electron
Transfer
(DIET),
research
employs
a
syntrophic
DIET-able
consortium
formed
by
Shewanella
oneidensis
and
Methanosarcina
barkerii
3.8-L
experiments
utilizing
reticulated
vitreous
carbon
(RVC)
as
material.
In
short-term
tests
with
acetate
co-culture
RVC
resulted
86%
higher
maximum
velocity
methane
production,
while
long
term
real
feed
13%
increased
rate
was
observed:
addition
1.77
(S/m)*m2
faster
production
2.39
mL/gVS*h
compared
to
2.08
reference.
The
experimental
conditions
inoculum
gave
benefit
terms
process
reference,
considering
fate,
among
dominant
taxa
at
end
experiment,
outcompeted.
Among
methanogenesis
pathways,
an
increase
hydrogenotrophic
has
been
observed
presence
Further
is
needed
understand
role
sulfur
compounds
Utilization
augment
yielded
interesting
results
real-scale
application.
As
added
carrier,
remains
unaltered
can
be
readily
recuperated
reused
multiple
times.
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(43), P. 16399 - 16413
Published: Oct. 20, 2023
It
is
known
that
the
presence
of
sulfate
decreases
methane
yield
in
anaerobic
digestion
systems.
Sulfate-reducing
bacteria
can
convert
to
hydrogen
sulfide
competing
with
methanogens
for
substrates
such
as
H2
and
acetate.
The
present
work
aims
elucidate
microbial
interactions
biogas
production
assess
effectiveness
electron-conductive
materials
restoring
after
exposure
high
concentrations.
addition
magnetite
led
a
higher
content
sharp
decrease
level
sulfide,
indicating
its
beneficial
effects.
Furthermore,
rate
volatile
fatty
acid
consumption
increased,
especially
butyrate,
propionate,
Genome-centric
metagenomics
was
performed
explore
main
interactions.
interaction
between
sulfate-reducing
found
be
both
competitive
cooperative,
depending
on
methanogenic
class.
Microbial
species
assigned
Methanosarcina
genus
increased
relative
abundance
together
butyrate
oxidizing
syntrophic
partners,
particular
belonging
Syntrophomonas
genus.
Additionally,
Ruminococcus
sp.
DTU98
other
Chloroflexi
phylum
were
positively
correlated
bacteria,
suggesting
DIET-based
In
conclusion,
this
study
provides
new
insights
into
application
enhance
performance
by
removing
fostering
interactions,
unraveling
intricate
interplay
cooperative
influenced
specific
group.
Journal of Water Process Engineering,
Journal Year:
2024,
Volume and Issue:
66, P. 105931 - 105931
Published: Aug. 10, 2024
Effective
municipal
solid
waste
(MSW)
management
is
a
critical
challenge
for
policymakers,
exacerbated
by
population
growth
and
urbanization.
Approximately
2
billion
tonnes
of
MSW
are
generated
globally
each
year,
with
30
%
uncollected
70
landfilled.
In
low-income
countries,
90
dumped
or
openly
burned,
leading
to
severe
environmental
health
impacts.
This
paper
summarises
the
pros
cons
real-scale
implementation
practices
addressing
their
advances,
focusing
on
landfill
leachate
in
Europe
Africa.
It
highlights
disparity
between
these
continents,
where
advanced
technologies
stringent
European
regulations
contrast
limited
resources
infrastructure
The
emphasizes
importance
proper
segregation
at
source
adoption
appropriate
treatment
tailored
specific
characteristics
region.
Through
comparative
analysis
selected
provides
guide
policymakers
improve
systems
mitigate
impacts
leachate.
advocates
integration
continuous
public
awareness
programs
enhance
recovery
reduce
dependence.
research
underscores
necessity
cross-continental
experience
sharing
development
sustainable,
region-specific
strategies
support
circular
economy
achieve
zero-waste-to-landfill
goals.
