The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
926, P. 172070 - 172070
Published: March 29, 2024
The
combination
of
raw
animal
skin
manufacturing
processes
involves
the
use
large
amounts
chemicals,
resulting
in
generation
complex
and
highly
polluted
tannery
wastewater.
In
this
context,
high
concentration
chloride
wastewater
represents
a
crucial
bottleneck.
Indeed,
sodium
chloride,
commonly
used
industry
to
prevent
rot,
increases
chlorides
up
50
%.
At
same
time,
most
advanced
oxidation
usually
employed
treatment
remove
recalcitrant
COD
involve
conditioning
agents,
thus
increasing
overall
treated
effluent.
aim
study
was
evaluate
electrochemical
peroxidation
process
(ECP)
efficiency
without
changing
pH,
improve
Fenton
technology
by
avoiding
chemicals.
influence
different
electric
currents
on
color
removal
investigated.
characterization
produced
sludge
conducted
through
FTIR,
SEM
XRD
analysis,
exploring
morphology
composition
precipitate,
depending
applied
current.
Although
an
electrical
current
750
mA
yields
highest
(69.7
%
97.8
%,
respectively),
500
can
be
considered
best
compromise
because
energy
consumptions.
Iron
oxides
hydroxides
were
generated
during
ECP
process,
playing
role
coagulants
absorption
organic
inorganic
contaminants.
consumption
increased
as
function
time
current;
however,
cost
analysis
showed
that
electrodes
contributed
total
process.
authors'
knowledge,
application
tertiary
for
novelty
literature
results
obtained
basis
scaling
future
research.
Energy Conversion and Management,
Journal Year:
2024,
Volume and Issue:
301, P. 118033 - 118033
Published: Jan. 6, 2024
In
this
study,
an
advanced
decarbonization
approach
is
presented
for
integrated
biorefinery
that
co-produces
bioethanol
and
succinic
acid
(SA)
from
bread
waste
(BW).
The
economic
viability
the
environmental
performance
of
proposed
BW
processing
evaluated.
Four
distinctive
scenarios
were
designed
analysed,
focusing
on
a
plant
capacity
processes
100
metric
tons
(MT)
daily.
These
encompass:
(1)
fermentation
into
bioethanol,
paired
with
heat
electricity
co-generation
stillage,
(2)
energy-optimized
integration
Scenario
1
using
pinch
technology,
(3)
co-production
SA
by
exclusively
utilizing
fermentative
CO2,
(4)
version
3
incorporates
carbon
capture
(CC)
flue
gas,
amplifying
production.
Scenarios
4
found
to
be
economically
more
attractive
better
due
SA.
Particularly,
emerged
as
superior,
showcasing
payback
period
2.2
years,
robust
internal
rate
return
(33%
after
tax),
investment
32%,
remarkable
net
present
value
163
M$.
Sensitivity
analysis
underscored
decisive
influence
fixed
capital
product
pricing
outcomes.
terms
impact,
outperformed
other
across
all
impact
categories,
where
global
warming
potential,
abiotic
depletion
(fossil
fuels),
human
toxicity
potential
most
influential
categories
(−0.344
kg
CO2-eq,
−16.2
MJ,
−0.3
1,4-dichlorobenzene
(DB)-eq,
respectively).
Evidently,
CC
unit
gas
in
substantially
enhances
both
returns
sustainability
biorefinery.
International Journal of Low-Carbon Technologies,
Journal Year:
2024,
Volume and Issue:
19, P. 339 - 350
Published: Jan. 1, 2024
Abstract
This
article
presents
a
framework
that
focuses
on
structural
considerations
within
gas
networks
to
evaluate
and
rank
various
feasibility
options
for
renewable
natural
(RNG)
cases.
Specifically,
the
analysis
examines
compares
range
of
methods
producing
RNG
using
from
waste
(NGFW),
considering
different
types
as
feedstock.
To
analyze
methodologies,
uses
decision
architecture
based
life
cycle
(cost
environmental).
These
tools
are
used
determine
most
favorable
path
NGFW
process.
The
preferred
pathway
is
identified
by
scenarios
take
into
account
variables
such
geographical
conditions,
availability
feedstocks
stakeholders’
priorities.
results
show
according
economically
neutral
those
favor
economic
considerations,
involving
generation
landfill
coupled
with
pressure
swing
adsorption
(PSA)
upgrading
technology
emerges
optimum
choice.
Conversely,
in
scenario
where
environmental
sustainability
priority,
process
advantageous
use
animal
manure
addition
PSA
unit.
designed
structure
can
be
adapted
regions,
each
its
own
unique
features
feedstock
resources,
customized
meet
varying
interests
stakeholders.
Based
both
parametric
assessments
analytical
interpretations,
this
not
only
identifies
optimal
pathways
but
also
provides
set
recommendations
strategies
aimed
at
improving
behavior.
Renewable and Sustainable Energy Reviews,
Journal Year:
2024,
Volume and Issue:
202, P. 114710 - 114710
Published: July 2, 2024
The
transportation
sector
is
marked
by
high
emissions,
and
new
sustainable
solutions
are
required
to
solve
this
problem.
Biomethane,
also
known
as
green
gas,
has
the
potential
regenerate
certain
wastes,
promoting
resource
circularity.
This
study
aimed
at
evaluating
profitability
of
small-
medium-sized
plants
using
organic
fraction
municipal
solid
waste
(OFMSW)
by-products,
considering
a
incentive
decree
within
mature
biogas-biomethane
market
Italy.
Net
present
value
(NPV)
was
used
key
indicator,
sensitivity,
scenario,
risk
analyses
were
proposed.
results
showed
that
subsidy
for
by-products
contributed
across
multiple
contexts.
Conversely,
stringent
values
OFMSW
led
diminished
treating
substrate.
Consequently,
verified
100
m3/h
with
300
OFMSW.
break-even
point
analysis
tariff
determining
project
profitability,
contingent
on
size
substrate,
ranged
from
0.61
0.95
€/m3
0.76–1.01
by-products.
provide
valuable
policy
managerial
insights,
emphasizing
support
needed
biomethane
–
renewable
circular
achieve
twin
goals
energy
independence
low-carbon
economy.
contribute
achievement
Sustainable
Development
Goals
7
12.
Frontiers in Chemical Engineering,
Journal Year:
2023,
Volume and Issue:
5
Published: April 27, 2023
Global
demand
for
freshwater
is
rapidly
escalating.
It
highly
essential
to
keep
pace
with
the
necessities
of
increasing
population.
The
effluents
wastewater
are
gradually
identified
as
a
reservoir
resources
energy
generation
and
economic
boom.
Henceforth,
most
sludge
have
great
potential
reuse
recycling.
re-utilization
valorization
contribute
accomplishing
sustainable
development
goals,
combating
water
scarcity,
alleviating
adverse
environmental
impacts
on
components.
present
article
highlights
novel
approaches
treatment
waste
different
industrial
origins
value-added
products
recovery
biopolymers,
vitamins,
enzymes,
dyes,
pigments,
phenolic
compounds.
We
highlighted
life
cycle
assessment
techno-economic
analysis.
In
addition,
we
addressed
critical
overview
barriers
large-scale
application
resource
strategies
economic,
environmental,
social
concerns
associated
using
waste-derived
products.
