Selection Path for Energy-Efficient Food Waste Management in Urban Areas: Scenario Analysis and Insights from Poland
Energies,
Год журнала:
2025,
Номер
18(2), С. 385 - 385
Опубликована: Янв. 17, 2025
The
problem
of
food
being
wasted
in
households
has
become
an
essential
challenge
recent
years.
Food
waste
can
be
valorized
accordance
with
the
principles
sustainable
development,
including
as
a
source
energy.
This
study
analyses
potential
anaerobic
fermentation,
pyrolysis,
ethanol
incineration,
and
composting
to
treat
waste,
focusing
on
its
energy
yield.
research
considered
two
scenarios
for
generating
Poland
both
near
term
(2030)
long
(2050).
Scenarios
were
proposed
regions
different
levels
urbanization
demographic
trends.
criteria
selection
technologies
energy-efficient
processing
from
identified,
taking
into
account
current
state
these
technologies,
their
prospective
changes,
nature
regions,
trajectory
generation,
spatial
generation
rate,
potential.
Technologies
like
methane
fermentation
thermochemical
methods
should
developed
densely
populated
areas
high
rate.
Among
processes,
fast
pyrolysis
will
provide
most
significant
benefits,
followed
by
moderate
biocarbonization—at
similar
levels.
Incineration
is
placed
between
carbonization
gasification.
In
less
lower
rates,
combining
substrates
co-processing
green
considered.
Biocarbonization
systems
integrated
rural
regions.
Язык: Английский
Review of Treatment Techniques for Dredged Sediments in the Context of Valorization as Secondary Raw Materials
Buildings,
Год журнала:
2025,
Номер
15(10), С. 1639 - 1639
Опубликована: Май 13, 2025
The
valorization
of
dredged
sediments
(DS)
presents
a
sustainable
solution
for
managing
waste
while
addressing
resource
scarcity
and
environmental
concerns.
This
review
explores
treatment
techniques
reuse
options
DS,
focusing
on
applications
in
the
construction
industry.
However,
disposal
poses
challenges
due
to
potential
contamination
with
heavy
metals
organic
pollutants.
study
categorizes
approaches
into
physical,
chemical,
biological,
thermal
processes.
Physical
methods,
such
as
separation
dewatering,
offer
volume
reduction
but
have
limited
capacities
against
chemically
bound
contaminants.
Chemical
treatments,
including
oxidation
immobilization,
target
specific
pollutants
often
entail
high
costs
risks.
Biological
approaches,
bioremediation
phytoremediation,
provide
sustainable,
low-cost
alternatives
require
longer
timescales.
Thermal
processes
like
pyrolysis
vitrification
efficiently
destroy
or
stabilize
contaminants
involve
energy
demands.
Pyrolysis
emerges
particularly
promising
technology,
combining
effective
decontamination
recovery
biochar
production.
Despite
advances
area,
identifies
key
barriers
large-scale
DS
reuse:
variability,
lack
standardized
guidelines,
long-term
performance
data.
Future
research
should
focus
integrated
strategies,
other
industrial
by-products,
optimization
processing,
aiming
attain
cost-effective,
reuse.
Overall,
treated
supports
circular-economy
principles
offers
significant
economic
benefits.
Язык: Английский
Adsorptive Behavior of Corn-Cob- and Straw-Derived Biochar for Polycyclic Aromatic Hydrocarbon Removal from Aqueous Systems
Processes,
Год журнала:
2025,
Номер
13(5), С. 1521 - 1521
Опубликована: Май 15, 2025
This
study
investigates
the
potential
of
biochar
derived
from
agricultural
residues—corn
cob
and
wheat
straw—for
removing
polycyclic
aromatic
hydrocarbons
(PAHs)
aqueous
systems.
Biochars
were
produced
via
pyrolysis
at
700
°C
characterized
using
BET,
SEM,
EDS,
FTIR,
pXRD
to
evaluate
physicochemical
properties.
Adsorption
experiments
with
naphthalene,
fluorene,
fluoranthene,
pyrene
revealed
high
adsorption
affinities
(Log
Kd
=
4.35–5.69
L/kg),
Freundlich
isotherm
modeling
indicating
nonlinear
behavior
(n
0.732–0.923),
suggesting
a
combination
pore
filling
chemical
interactions
such
as
π-π
stacking
hydrogen
bonding.
Corn-cob
biochar,
rich
in
lignin,
exhibited
higher
surface
area
(111
m2/g)
greater
affinity
for
while
wheat-straw
oxygen
content
more
functional
groups,
performed
better
naphthalene
pyrene.
FTIR
confirmed
graphitic
structures
facilitating
PAH
interactions.
These
results
underscore
importance
feedstock
selection
conditions
tailoring
properties
specific
pollutants.
While
both
biochars
compare
favorably
conventional
adsorbents
like
activated
carbon,
further
research
on
long-term
stability
complex
matrices
is
needed.
Overall,
findings
support
development
cost-effective,
scalable,
eco-friendly
biochar-based
technologies
water
remediation.
Язык: Английский