Clean Technologies and Environmental Policy,
Год журнала:
2024,
Номер
unknown
Опубликована: Июль 17, 2024
Abstract
Organic
wastes
from
the
human
ecosystem
including
food
waste
(FW),
agricultural
and
digested
sludge
(DS)
wastewater
treatment
can
be
utilized
as
valuable
materials
in
anaerobic
co-digestion
(AcoD)
for
dual
purpose
of
bioenergy
production
phosphorus
(P)
recovery
through
a
chemical
precipitation
process.
In
this
study,
AcoD
using
FW
corn
residues
(CS)
with
DS
simultaneous
sustainable
phosphate
release
biogas
were
investigated.
Different
hydraulic
retention
times
(HRT)
10,
20,
30
days
investigated,
was
grinded,
while
CS
pre-treatment
methods
physical
(FWCS),
(FWCS-Chem),
thermal
(FWCS-Temp)
considered.
The
substrates
compositions
conducted
total
organic
loading
6
g
volatile
solids
(VS)/L/d
(5
FW/1
CS)
carbon-to-nitrogen
ratio
(C/N)
24.
results
indicate
that
FWCS-Chem
showed
highest
cumulative
simultaneously
P
at
HRT
20
7279
L/m
3
29.67%,
respectively.
Moreover,
effluent
all
digesters
exhibited
Mg/P
above
1,
suitable
struvite
without
an
external
Mg
source.
Accordingly,
FW,
FWCS,
achieved
rates
63.64%,
69.75%,
70.19%
20-day
HRT,
corresponding
contents
9.45,
9.43,
8.29%,
These
values
are
comparable
to
commercial
fertilizer
containing
8.80%
P.
incinerating
precipitating
offers
high-quality
concentrations
up
15.52,
16.32,
16.31%,
Hence,
found
optimal
condition
CS,
co-digestion,
resulting
production,
release,
maximum
financial
return
recovery.
Graphical
abstract
Phosphorus
sludge.
Current Opinion in Biotechnology,
Год журнала:
2024,
Номер
87, С. 103107 - 103107
Опубликована: Март 13, 2024
Polyphosphates,
chains
of
polymerized
phosphate
subunits,
are
used
as
food
additives
for
various
applications
such
conservation,
water
retention,
and
pH
buffering.
Currently,
the
value
chain
phosphates
is
linear,
based
on
mining
fossil
rock,
which
anticipated
to
be
depleted
in
a
few
hundred
years.
With
no
replacement
available,
transition
circular
economy,
biological
systems
can
contribute,
required.
Baker's
yeast
hyperaccumulate
from
phosphate-rich
waste
streams
form
polyphosphates,
directly
or
polyphosphate-rich
extract
with
enhanced
properties
industry.
By
maturing
technology
an
industrial
level
allowing
upcycled
applications,
substantial
contributions
sustainable
economy
achieved.
Journal of Cleaner Production,
Год журнала:
2024,
Номер
455, С. 142375 - 142375
Опубликована: Апрель 29, 2024
To
achieve
a
closed
nutrient
cycle
and
more
sustainable
food
production,
enhanced
recycling
in
the
agri-food
system
is
necessity.
Pyrolysis
an
emerging
technology
to
recycle
content
of
sewage
sludge.
The
produced
biochar
can
be
used
reduce
need
for
mineral
fertilizers;
addition,
pyrolysis
also
handle
potential
pollutants
such
as
microplastics
pathogens
present
In
this
research,
life
assessment
(LCA)
was
carried
out
determine
environmental
impact
sludge
alternative
current
practices
two
different
cases
treatment
municipalities
Sweden.
results
indicated
that
avoiding
fertilizer
production
by
using
has
significant
influence
on
benefits.
Furthermore,
it
showed
integrated
anaerobic
digestion
followed
could
perform
most
environmental-friendly
option
with
lower
risk
transferring
pollution
soil.
