Applied and Computational Engineering,
Год журнала:
2024,
Номер
85(1), С. 101 - 104
Опубликована: Июль 31, 2024
Nowadays,
the
level
of
urbanization
is
in
rapid
increasing,
but
freshwater
resources
still
have
problems
unbalanced
distribution
regions
and
time.
Besides,
are
short
supply.
However,
fact,
there
always
a
hidden
resource
city
-
wastewater.
The
population
growth
increasing
increased
needs
for
wastewater
treatment
recycling
to
ensure
water
adequacy,
then
improve
environmental
quality.
In
this
day
age,
two
main
ways
treat
wastewater:
centralized
decentralized
treatment.
Both
these
methods
can
reduce
pollution
provide
domestic
water.
article,
we
will
introduce
compare
approaches
with
real-world
examples:
Shanghai
Bailonggang
Sewage
Treatment
Plant,
located
Chaoyang
Village,
Heqing
Town,
Pudong
New
Area,
sewage
system
Germany.
Journal of Cleaner Production,
Год журнала:
2023,
Номер
401, С. 136762 - 136762
Опубликована: Март 11, 2023
Nowadays,
biogas
produced
from
the
anaerobic
digestion
of
biowaste
is
considered
a
valuable
renewable
energy
source
to
implement
transition
climate-neutral
society.
Recently,
upgrading
biomethane,
instead
usual
co-generation
heat
and
electricity
(CHP),
has
been
an
attractive
option,
as
biomethane
can
be
used
for
different
purposes.
This
study
performed
life
cycle
assessment
(LCA)
costing
(LCC)
scenarios
valorization
co-digestion
(AcoD)
secondary
sewage
sludge
(SS)
organic
fraction
municipal
solid
waste
(OFMSW),
pre-treated
by
dark
co-fermentation
(DF)
process.
Four
configurations
were
compared,
exploring
recovery
one
or
more
following:
heat,
biomethane.
Furthermore,
two
sensitivity
analyses
on
LCA
analysis,
considering
use
fuel
transport
European
mix
expected
2050,
respectively.
The
CHP
was
most
environmentally
friendly
solutions
in
8
out
11
impact
categories
provided
CML-IA
baseline
method;
however,
upgrading-based
showed
less
impacts
relevant
categories,
such
global
warming
potential
(up
−1.14E+05
kg
CO2
eq.
y−1)
ozone
layer
depletion
−4.73E-01
CFC-11
y−1).
Sensitivity
confirmed
that
processes
should
have
generally
lower
climate
change
than
systems.
replace
petrol
resulted
best
option
terms
−5.67E+05
All
proposed
represented
economically
sustainable
projects,
they
reported
positive
net
present
values
(NPV)
20
years
10,518,291
€).
Biogas
highest
NPVs;
nevertheless,
combined
production
cost-effective
thanks
revenues
sales,
despite
latter
being
modest.
In
conclusion,
contrary
previous
studies
literature,
we
found
not
neglected,
optimal
configuration
may
lie
heat.
Advanced Energy and Sustainability Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Июнь 9, 2024
Water
scarcity
and
sanitation
pose
a
critical
global
challenge
worsened
by
population
growth
the
finite
nature
of
freshwater
resources.
Despite
United
Nations’
Sustainable
Development
Goal
6
(SDG6)
advocating
for
universal
water
access,
progress
remains
insufficient.
Presently,
approximately
50%
generated
wastewater
is
released
into
environment
without
adequate
treatment,
emphasizing
urgent
need
to
address
this
issue.
This
article
examines
socio‐economic
technical
aspects
both
centralized
decentralized
treatment
systems
(DWTS)
assesses
environmental
impact,
spatial
footprint,
energy
usage
across
technologies.
An
economic
analysis
underscores
cost
advantages
DWTS,
especially
in
sparsely
populated
regions.
With
modular
designs,
DWTS
not
only
provides
but
also
enables
reuse.
The
research
concludes
that
adopting
crucial
achieving
SDG6
targets
ensuring
access
safe
sanitation,
low‐density
newly
developed
areas.
thorough
investigation
management
contributes
ongoing
dialogue
on
sustainable
solutions
amidst
escalating
challenges
sanitation.
International Journal of Energy Research,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
This
paper
reviews
the
current
state
of
microbial
fuel
cell
(MFC)
technology
for
energy
generation.
It
begins
by
exploring
clean
alternatives,
focusing
on
waste‐to‐energy
solutions,
and
introduces
concept,
applications,
advantages
MFCs.
The
biochemical
processes
within
MFCs
are
explained,
highlighting
how
microorganisms
metabolize
substrates
through
glycolysis,
Krebs
cycle,
electron
transport
chain
to
generate
electrons.
These
electrons
flow
an
external
circuit
combine
with
protons
oxygen
at
cathode
produce
water
or
reduced
forms
nitrogen
sulfur.
also
analyzes
10
key
parameters
affecting
MFC
performance:
coulombic
efficiency,
pH,
temperature,
substrates,
organic
loading
rate,
electrode
potential,
open
voltage,
treatment
removal
hydraulic
retention
time.
Recent
advancements
in
discussed,
including
innovations
reactor
configuration
scaling,
development
new
membrane
materials
like
earthen
ceramic,
improvements
wastewater
methods.
extend
genetic
engineering
techniques
enhance
efficiency
component
modifications,
such
as
use
carbon‐based
nanomaterials
metal
catalysts
improved
performance,
proton
transfer
membranes,
mediator‐less
utilizing
metal‐reducing
bacteria.
Challenges
facing
technology,
cost,
scalability,
environmental
sensitivity,
mentioned.
concludes
future
directions,
advanced
materials,
integration
infrastructure,
potential
nutrient
recovery
chemical
synthesis.
comprehensive
review
aims
provide
knowledge
into
optimizing
sustainable
generation
benefits.
