Heliyon,
Год журнала:
2024,
Номер
10(8), С. e29576 - e29576
Опубликована: Апрель 1, 2024
Nowadays,
the
challenge
is
to
transform
dehydrated
sewage
sludge
resulting
from
wastewater
treatment
plants
waste
into
resource.
Following
this
objective,
was
further
dried
and
submitted
X-ray
diffraction
(XRD)
FTIR
analysis.
The
first
in
ventilated
unventilated
spaces
at
50
Journal of Cleaner Production,
Год журнала:
2024,
Номер
447, С. 141542 - 141542
Опубликована: Март 3, 2024
Polyhydroxyalkanoate
(PHA)
is
a
biodegradable
biopolymer
synthesized
from
renewable
resources,
providing
sustainable
and
eco-friendly
plastics.
The
utilization
of
activated
sludge
for
PHA
production
has
gained
prominence
due
to
its
cost-effectiveness
abundant
availability.
Upscaling
can
contribute
waste
management
resource
recovery
simultaneously,
thereby
reducing
the
dependence
on
petroleum-based
This
review
critically
examines
progress
challenges
in
this
field,
while
offering
valuable
insights
into
strategies
enhancing
productivity,
improving
product
quality,
costs.
analysis
primarily
focuses
identifying
key
factors
influencing
each
stage
three-stage
process
aimed
at
increasing
productivity.
Noteworthy
proposed
include
optimizing
enrichment
feast/famine
ratio.
For
high-quality
PHA,
emphasis
oriented
acid
production,
selection
appropriate
extraction
methods
crucial.
also
addresses
cost
reduction,
discussing
simplification
through
two-stage
process,
integration
nitrogen
removal
with
production.
Future
research
directions
are
outlined,
highlighting
optimization
scalability
development
efficient
methods,
assessment
environmental
impacts,
alignment
policy
measures.
Conclusively,
sludge-based
shows
great
promise
necessitates
further
industrialization.
Fuel,
Год журнала:
2024,
Номер
373, С. 132265 - 132265
Опубликована: Июнь 28, 2024
The
pyrolysis
of
sewage
sludge
to
produce
biochar
is
a
promising
method
for
end-treatment.
Key
parameters
influencing
properties
include
temperature,
heat
transfer
rate,
residence
time,
additives,
and
raw
material
types.
Sludge-based
(SBC)
features
porous
structure,
aromatic
compound
composition,
high
absorbency,
stable
chemical
properties,
large
specific
surface
area,
numerous
functional
groups,
making
it
suitable
environmental
applications
such
as
soil
remediation
water
quality
improvement.
However,
SBC
alone
can
pose
risk
due
excessive
heavy
metal
content.
Co-pyrolysis
biomass
with
has
been
shown
mitigate
this
by
fixing
metals
reducing
their
accumulation
in
biochar.
Research
indicates
that
co-pyrolysis
produces
superior
including
larger
better
pore
more
greater
pollutant
adsorption
capacity
compared
alone.
Thus,
sludge-biomass
significant
potential
overcome
the
limitations
single
sludge-based
biochar,
facilitating
large-scale
production
application
management.