Chemosphere,
Journal Year:
2025,
Volume and Issue:
372, P. 144101 - 144101
Published: Jan. 17, 2025
Excess
biological
sludge
processing
and
disposal
have
a
significant
impact
on
the
energy
balance
economics
of
wastewater
treatment
operations,
receiving
environments.
Anaerobic
digestion
is
probably
most
widespread
in-plant
method
globally,
since
it
stabilizes
converts
biosolids
organic
matter
into
biogas,
allowing
partial
recovery
their
embedded
chemical
energy.
A
considerable
number
studies
concerning
applicable
techniques
to
improve
biogas
production,
both
in
quantity
quality,
include
pre-treatment
strategies
promote
disintegration
aimed
at
release
solubilisation
intracellular
compounds,
inorganic/biological
amendments
improving
process
performance,
thermal
pre-treatment.
As
for
in-process
amendments,
iron,
micro
macro-nutrients,
ashes
from
waste
incineration
nanoparticles
addition
been
studied
improvement
enzymatic
reactions.
Recently,
use
electrically
conductive
materials
has
credited
with
possibility
accelerate
stabilize
conversion
substrates
methane.
The
increasing
generation
its
relative
biomethane
content
by
interfacing
anaerobic
bioelectrochemical
systems
was
also
postulated.
This
review
addresses
research
gap
surrounding
integration
novel
technologies,
particularly
systems,
enhance
production
methane
enrichment.
While
existing
focus
feasibility,
mechanisms,
benefits
such
remain
underexplored.
By
critically
evaluating
current
state
art,
this
identifies
potential
stability,
while
highlighting
key
challenges
needs
advancing
these
technologies
toward
practical
implementation.
Chemical Engineering Journal Advances,
Journal Year:
2022,
Volume and Issue:
10, P. 100263 - 100263
Published: Feb. 9, 2022
To
overcome
the
energy
demand
and
environmental
issues
by
applying
ecofriendly
techniques
to
produce
green
are
getting
high
attentions
in
these
days.
Lignocellulosic
materials
most
abundant
resource
of
biomass
on
earth
have
become
vital
for
anaerobic
digestion.
However,
structure
lignocellulosic
is
difficult
degrade
during
Physical,
thermal,
chemical
thermochemical
been
widely
used
pretreatment
materials,
which
might
facilitate
degradation
pretreated
Further,
recent
years
many
updated
advanced
also
developed
materials.
Therefore,
this
study
systematically
summaries
novel
chemicals
physical,
pretreatments
enhancement
In
addition,
mechanism,
applications,
advantages
disadvantages
challenges
each
type
identified.
Finally,
will
provide
new
ideas
development
techniques.
Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(16), P. 11277 - 11287
Published: July 29, 2022
Tetrabromobisphenol
A
(TBBPA)
has
extensive
applications
in
various
fields;
its
release
into
ecosystems
and
the
potential
toxic
effects
on
organisms
are
becoming
major
concerns.
Here,
we
investigated
of
TBBPA
anaerobic
digestion,
whose
process
is
closely
related
to
carbon
cycles
under
conditions.
The
results
revealed
that
exhibited
dose-dependent
hormesis-like
methane
production
from
glucose,
i.e.,
presence
0.1
mg/L
increased
rate
by
8.79%,
but
1.0-4.0
caused
3.45-28.98%
decrement.
We
found
was
bound
tyrosine-like
proteins
extracellular
polymeric
substances
anaerobes
induced
increase
reactive
oxygen
species,
slight
accumulation
stimulated
metabolism
activities
high
apoptosis
anaerobes.
Owing
differences
between
individual
tolerance,
at
acidogenesis
hydrogenotrophic
methanogenesis,
whereas
higher
levels
(i.e.,
mg/L)
severely
restrained
all
processes
acidogenesis,
acetogenesis,
methanogenesis.
Along
with
bisphenol
(BPA)
produced
Longilinea
sp.
Pseudomonas
sp.,
methanogenic
pathway
partly
shifted
acetate-dependent
hydrogen-dependent
direction,
monoxide
dehydrogenase
acetyl-CoA
decarbonylase/synthase
were
inhibited,
while
acetate
kinase
F420
hormetically
affected.
These
findings
elucidated
mechanism
syntrophic
consortium
responses
TBBPA,
supplementing
environmental
risks
brominated
flame
retardants.
Chemical Engineering Journal,
Journal Year:
2022,
Volume and Issue:
441, P. 135915 - 135915
Published: March 22, 2022
Seaweed
is
considered
a
third-generation
biomass
for
transport
biofuel
production
with
great
potential
bioenergy
and
biorefinery
applications.
Microwave-assisted
hydrothermal
carbonization
(HTC)
offers
conversion
route
seaweed
valorization
to
multiple
value-added
products.
However,
the
HTC
products
(such
as
hydrochar
process
liquor)
are
highly
dependent
on
feedstock
properties
conditions.
This
study
investigated
of
Laminaria
digitata
range
(primarily
including
hydrochar,
levulinic
acid
5-hydroxymethylfurfural)
through
microwave-assisted
at
low
temperatures
(160,
180
200
°C)
levels
dilute
addition
(1,
2
4%
H2SO4
concentration).
The
work
suggests
an
optimized
temperature
°C
H2SO4,
5-hydroxymethylfurfural
in
liquor
achieved
highest
yields
12.5%
(12.5
g
per
100
dry
L.
digitata)
5.8%,
respectively.
obtained
had
higher
heating
value
25.5
MJ/kg
volatile
solids,
comparable
lignite
coal.
At
such
condition
total
carbon
recovery
produced
accounted
84%
original
seaweed.
derived
presented
content
65.4%,
but
lowest
abundance
oxygen-containing
functional
groups
compared
hydrochars
under
other
conditions
(160
°C).
economic
benefits
might
be
significantly
increased
if
was
upgraded
into
activated
instead
being
used
solid
fuel.
