This
chapter
offers
an
overview
of
Life
Cycle
Assessment
(LCA)
as
a
crucial
tool
for
evaluating
the
environmental
impact
products,
processes,
and
systems.
The
begins
by
discussing
benefits
using
LCA
its
potential
to
inform
decision-making
processes
identify
opportunities
improvement.
then
covers
different
types
available
provides
guidance
on
how
choose
appropriate
type
particular
study.
steps
involved
in
are
presented
detail,
including
goal
scope
definition,
inventory
analysis,
life
cycle
assessment,
interpretation
results.
Specific
aspects
also
discussed,
such
linear
model
modelling.
emphasizes
importance
data
availability
integrity,
temporal,
geographic,
technological
coverage
datasets
use
open-source
subscription
databases.
Additionally,
materials
inflow
outflow
analysis
essential
aspect
LCA.
concludes
highlighting
standards
Materials
Circular
Economy
(MCE),
providing
readers
with
comprehensive
guide
role
promoting
sustainable
practices.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(4), P. 1649 - 1737
Published: Feb. 6, 2024
Ionic
liquids
(ILs)
are
promising
alternative
compounds
that
enable
the
development
of
technologies
based
on
their
unique
properties
as
solvents
or
catalysts.
These
require
integrated
product
and
process
designs
to
select
ILs
with
optimal
performances
at
an
industrial
scale
promote
cost-effective
sustainable
technologies.
The
digital
era
multiscale
research
methodologies
have
changed
paradigm
from
experiment-oriented
hybrid
experimental–computational
developments
guided
by
engineering.
This
Review
summarizes
relevant
contributions
(>300
papers)
simulations
advance
IL-based
technology
guiding
experimental
efforts
enhancing
transferability.
Robust
simulation
methodologies,
mostly
predictive
COSMO-SAC/RS
UNIFAC
models
in
Aspen
Plus
software,
were
applied
analyze
key
IL
applications:
physical
chemical
CO2
capture,
conversion,
gas
separation,
liquid–liquid
extraction,
extractive
distillation,
refrigeration
cycles,
biorefinery.
concern
selection
criteria,
operational
unit
design,
equipment
sizing,
technoeconomic
environmental
analyses,
optimization
competitiveness
proposed
Process
revealed
strategies
advancement
technological
applications
focusing
overcome
limitations
exploit
excellent
ILs.
ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(10), P. 11895 - 11909
Published: Feb. 29, 2024
An
in-house
Python-based
algorithm
was
developed
using
simplified
molecular-input
line-entry
specification
(SMILES)
strings
and
a
dipole
moment
for
estimating
the
normal
boiling
point,
critical
properties,
standard
enthalpy,
vapor
pressure,
liquid
molar
volume,
enthalpy
of
vaporization,
heat
capacity,
viscosity,
thermal
conductivity,
surface
tension
molecules.
Normal
were
estimated
by
Joback
group
contribution
method.
Vapor
Riedel
model,
Gunn–Yamada
Clausius–Clapeyron
equation,
method,
Brock–Bird
respectively.
Viscosities
gas
Letsou–Stiel
model
Chapman–Enskog–Brokaw
Thermal
conductivities
Sato–Riedel
Stiel–Thodos
Dipole
calculated
through
molecular
dynamics
simulation
MMFF94
force
field,
performed
with
Avogadro
software.
A
case
study
conducted
dihydro-2-methyl-3-furanone
(DHMF),
2-furaldehyde
diethyl
acetal
(FDA),
1,1-diethoxy-3-methyl
butane
(DEMB),
glutathione
(GSH),
vitamin
B5
(VITB5),
homocysteine
(HCYS),
O-acetyl-l-homoserine
(AH),
which
are
not
present
in
existing
property
database.
Cross-validation
indicated
that
provided
pure
component
parameters
nearly
identical
those
obtained
Aspen
Property
Constant
Estimation
System
(PCES)
except
vaporization.
The
vaporization
current
accurately
represented
behavior
actual
substances,
as
determined
Clausius–Claperyon
equation.
This
provides
detailed
clear
reference
parameters.
Cogent Engineering,
Journal Year:
2024,
Volume and Issue:
11(1)
Published: April 11, 2024
Society
is
shifting
to
an
environmental
basis
due
threats
caused
by
climate
change,
resource
scarcity,
and
excessive
generation
of
plastics.
Biotechnology
has
sought
alternatives
valorise
waste
streams,
such
as
sludge
generated
in
municipal
wastewater
treatment
plants
(WWTPs).
Sludge
bio-fermentation
suitable
for
sustainable
volatile
fatty
acids
(VFA)
production
anaerobic
digestion
(AD).
This
biotechnological
process
excellent
opportunity,
VFAs
are
high
demand
industry.
work
aimed
study
the
impacts
bioproduction
VFA
from
primary
(PS)
El
Salitre
WWTP
Bogotá
using
life
cycle
analysis
(LCA)
methodology.
was
carried
out
three
semi-continuous
reactors,
PS,
initial
organic
load
14
gVS/L,
a
temperature
25
°C,
pH
10
7
16
d,
obtaining
higher
yield
16-day
experiment
with
6048
mgCOD/L;
432
gCOD/gVS,
compared
5472
391
gCOD/gVS
produced
d.
An
LCA
select
best
retention
time
considering
eighteen
categories.
The
impact
categories
modelling
inventory
data
were
ReCiPe
Midpoint
method
Simapro
software.
results
showed
that
energy
use
steps
bottleneck
point
sustainability
causes
significant
effects
almost
all
evaluated.
Additionally,
it
found
producing
can
be
considered
indicators
obtained
being
lower
than
those
literature.
Also,
concentrations
achieved
allow
these
carbon
sources
making
polyhydroxyalkanoates.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(7), P. 2684 - 2684
Published: March 25, 2024
The
integration
of
Multi-Objective
Optimization
(MOO)
and
Multi-Criteria
Decision-Making
(MCDM)
has
gathered
significant
attention
across
various
scientific
research
domains
to
facilitate
integrated
sustainability
assessment.
Recently,
there
been
a
growing
interest
in
hybrid
approaches
that
combine
MCDM
with
MOO,
aiming
enhance
the
efficacy
final
decisions.
However,
critical
gap
exists
terms
providing
clear
methodological
guidance,
particularly
when
dealing
data
uncertainties.
To
address
this
gap,
systematic
review
is
designed
develop
generic
decision
tree
serves
as
practical
roadmap
for
practitioners
seeking
perform
MOO
an
fashion,
specific
focus
on
accounting
identified
recent
studies
conducted
both
way.
It
important
note
does
not
aim
identify
superior
or
methods,
but
rather
it
delves
into
strategies
integrating
these
two
common
methodologies.
prevalent
methods
used
reviewed
articles
were
evolution-based
metaheuristic
methods.
TOPSIS
PROMETHEE
II
are
ranking
can
occur
either
priori,
posteriori,
through
combination
both,
each
offering
distinct
advantages
drawbacks.
developed
illustrated
all
three
paths
uncertainty
considerations
path.
Finally,
real-world
case
study
pulse
fractionation
process
Canada
basis
demonstrating
pathways
presented
their
application
identifying
optimized
processing
sustainably
obtaining
protein.
This
will
help
different
use
way
most
sustainable
system.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(19), P. 8331 - 8331
Published: Sept. 25, 2024
Polyvinyl
chloride
(PVC)
resins
are
widely
used
in
modern
society
due
to
their
acid
and
alkali
resistance,
low
cost,
strong
insulation
properties.
However,
the
high
chlorine
(Cl)
content
PVC
poses
significant
challenges
for
its
recycling.
This
study
reviews
treatment
processes,
model
construction,
economic
environmental
assessments
construct
a
methodological
framework
sustainable
development
of
emerging
dechlorination
technologies.
In
terms
this
summarizes
three
types
pretreatment,
simultaneous
during
chemical
recycling,
product
purification,
emphasizes
necessity
from
systematic
perspective.
Additionally,
construction
models
processes
is
investigated
laboratory
industrial
production
system
macro-scale
material,
order
evaluate
potential
inventory
data
material
metabolism
behaviors.
review
also
summarized
methodology
Techno-Economic
Analysis
(TEA)
Life
Cycle
Assessment
(LCA),
which
can
be
applied
evaluation
performance
processes.
Overall,
provides
readers
with
comprehensive
perspective
on
state-of-the-art
technologies,
meanwhile
offering
guidance
future
research
applications
recycling
waste.
Nature Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
1(10), P. 615 - 626
Published: Oct. 10, 2024
A
circular
plastics
economy
can
leverage
the
lightweight,
strong
and
durable
characteristics
of
macromolecular
materials,
while
simultaneously
reducing
negative
environmental
impacts
associated
with
polymer
waste.
Advanced
recycling
technologies
provide
an
opportunity
to
valorize
waste
extend
lifespan
these
materials
by
converting
into
new
monomers,
polymers
or
specialty
chemicals.
Although
many
advanced
appear
promising,
assessments
economic
sustainability
are
often
not
conducted
in
a
standardized
fashion
neglect
factors
such
as
transportation,
sorting
pretreatment.
These
shortcomings
lead
inaccurate
misleading
predictions,
reduce
opportunities
for
optimization
limit
industrial
relevance.
In
this
Review,
we
highlight
select
case
studies
underscore
notable
consequences
underestimating
complexity
real-life
consumer
addition,
current
challenges
assessment
viability
laboratory-scale
processes
explored.
By
discussing
relevant
analysis
frameworks
system
boundaries,
along
potential
analytical
pitfalls,
future
research
will
be
guided
beyond
chemical
considerations
toward
impactful
solutions.
is
end-of-life
option
generation
high-value
products.
This
Review
highlights
importance
developing
holistic
analyses
candidate
technologies,
focus
on
key
parameters,
complexities
infrastructure,
scale-up
considerations,
trade-offs.