The
carbon
intensity
(CI)
of
producing
five
different
resins
–
polyethylene
terephthalate
(PET),
high-density
(HDPE),
low-density
(LDPE),
polypropylene
(PP),
and
polyvinyl
chloride
(PVC)
in
four
international
regions
United
States
America
(USA),
Western
Europe,
Middle
East
Northern
Africa
(MENA),
China
is
calculated
on
a
cradle-to-gate
basis
using
the
Greenhouse
Gases,
Regulated
Emissions,
Energy
Use
Transportation
(GREET)
model.
list
factors
that
can
potentially
vary
CI
include
electricity
natural
gas
(NG)
production,
steam
cracking
feedstock
mix,
propylene
sourcing
technology
terephthalic
monomer
(TM)
use
hydrogen
co-product
from
process,
vinyl
(VCM)
production
mix.
Sustainability,
Год журнала:
2024,
Номер
16(2), С. 535 - 535
Опубликована: Янв. 8, 2024
The
life
cycle
assessment
(LCA)
serves
as
a
crucial
tool
for
assessing
the
environmental
impact
of
products,
with
recent
emphasis
on
polyethylene
terephthalate
(PET)
bottles.
Our
meta-analytical
review
14
LCA
research
papers
(2010–2022)
PET
bottles,
aligned
PRISMA
guidelines,
spans
six
phases:
raw
material
production
(MP),
bottle
(BP),
distribution
and
transportation
(DT),
collection
transport
(CT),
waste
management
(WM),
benefits
(EB).
Utilizing
global
warming
potential
(GWP)
indicator,
our
study
harmonized
data
into
consistent
functional
unit,
revealing
an
average
emission
5.1
kg
CO2
equivalent
per
1
Major
contributors
to
were
identified
across
MP,
BP,
DT
phases.
While
MP
BP
phases
exhibited
low
variability
due
uniform
processes,
CT,
WM,
EB
displayed
higher
scenario
considerations.
A
comparison
Korean
product
declaration
affirmed
methodology’s
practical
utility.
approach
offers
applicability
in
diverse
category
assessments,
emphasizing
its
relevance
informed
decision-making
sustainable
development.
The
carbon
intensity
(CI)
of
producing
five
different
resins
–
polyethylene
terephthalate
(PET),
high-density
(HDPE),
low-density
(LDPE),
polypropylene
(PP),
and
polyvinyl
chloride
(PVC)
in
four
international
regions
United
States
America
(USA),
Western
Europe,
Middle
East
Northern
Africa
(MENA),
China
is
calculated
on
a
cradle-to-gate
basis
using
the
Greenhouse
Gases,
Regulated
Emissions,
Energy
Use
Transportation
(GREET)
model.
list
factors
that
can
potentially
vary
CI
include
electricity
natural
gas
(NG)
production,
steam
cracking
feedstock
mix,
propylene
sourcing
technology
terephthalic
monomer
(TM)
use
hydrogen
co-product
from
process,
vinyl
(VCM)
production
mix.
