Advances in hospitality, tourism and the services industry (AHTSI) book series,
Journal Year:
2024,
Volume and Issue:
unknown, P. 507 - 552
Published: Sept. 20, 2024
Increasing
waste
production
presents
substantial
environmental
and
public
health
obstacles,
necessitating
inventive
sustainable
management
approaches.
This
chapter
explores
the
fundamental
concepts
of
circular
economy
how
it
may
be
used
to
change
systems
from
linear
disposal
methods
efficient
models
that
make
most
resources.
It
influence
on
diminishing
deterioration,
fostering
resource
preservation,
bolstering
economic
development
through
materials'
reuse,
recycling,
repurposing.
The
highlights
importance
adopting
comprehensive
strategies
combine
technology
advancements,
policy
restructuring,
community
involvement
enable
a
shift
toward
practices
will
support
attaining
global
sustainability.
Waste Management,
Journal Year:
2024,
Volume and Issue:
185, P. 10 - 24
Published: May 29, 2024
The
low
recycling
rate
of
post-consumer
plastic
packaging
waste
(PPW),
which
is
partly
due
to
insufficient
separate
collection,
heterogeneous
composition
and
high
levels
contamination,
poses
a
challenge
in
Austria,
where
the
must
double
order
meet
target
55
%.
This
study
analyzes
key
characteristics
non-beverage
bottles
influencing
recyclability,
using
Vienna
as
case
study.
Additionally,
net
quantity
indicator
collection
rates
were
calculated.
738
from
mixed
MSW
1,159
PPW
analyzed.
main
polymer's
proportion
described
by
was
higher
for
(69–72
%)
than
(58
%),
showing
that
large
share
foreign
materials
are
residues
dirt,
with
significantly
contents
(20
(11
%).
With
19.2
%,
great
potential
currently
lies
at
4,112
t/yr.
Thereof,
46
%
uncolored,
54
colored/white
and,
terms
material
grade,
30
food
grade.
most
common
filling
volume
PET,
PP
HDPE
0.5
<
x
≤
1.5
L
(23–59
decoration
technology
label
(60–85
PET
had
highest
shares
food-grade
(37–46
while
colored
(22–31
mechanical
depends
largely
on
characteristics,
also
automatic
sorting.
Harmonized
design
specifications
therefore
crucial
this
fraction.
Waste Management,
Journal Year:
2024,
Volume and Issue:
186, P. 293 - 306
Published: July 1, 2024
The
compositions
of
Dutch
lightweight
packaging
waste
(LWP)
and
sorted
products
named
"PET
(Polyethylene
terephthalate)
trays"
have
been
determined
on
object
level.
Additionally,
the
PET
trays
from
both
types
were
in
16
categories
representing
their
use
material
build-up.
composition
at
least
10
representative
each
category
was
with
chemical
thermal
analysis,
based
which
average
per
established.
Based
this
data
tray
approximated.
recyclability
various
assessed
most
ubiquitous
LWP
only
found
to
be
suitable
produce
opaque
recycled
mechanical
recycling
processes.
Whereas
some
more
uncommon
can
used
transparent
Depolymerisation
is
deemed
a
appropriate
process
that
will
allow
production
food-grade
PET.
Sustainable materials and technologies,
Journal Year:
2023,
Volume and Issue:
38, P. e00745 - e00745
Published: Oct. 10, 2023
Polypropylene
(PP)
is
one
of
the
most
used
polymers
and
has
a
wide
scope
application,
making
it
key
target
for
ambitious
new
recycling
reforms.
However,
recycled
PP
currently
rarely
technical
applications.
We
investigated
how
reprocessing-induced
mechanical
melt
property
changes
restrict
application
in
open
loops,
with
deterioration
tensile
properties
considerable
increases
mass-flow
rate
consolidating
regranulate
use
towards
injection
moulding
Remarkably,
however,
reprocessing
had
opposite
effect
on
tribological
to
supramolecular
structure
reducing
wear
by
up
order
magnitude.
As
proof-of-concept,
this
demonstrates
smart
decisions
material
flow
during
cycling
could
be
simple,
effective,
immediately
implementable
way
increase
value
performance
recyclates
without
radical
industry
reforms:
changing
degrading
reganulates
after
each
cycle
favour
applications
different
design
requirements.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(14), P. 6226 - 6226
Published: July 21, 2024
Plastic
packaging
waste
(PPW)
can
be
considered
as
solid
with
harmful
effects
on
the
environment
or
a
material
recycling
potential
in
terms
of
sustainable
development
circular
economy.
Knowing
amount
PPW
generated
is
very
important
it
related
to
availability
this
for
and
determines
actual
rate
(denominator
fraction).
heterogeneous
contains
certain
number
impurities
(e.g.,
product
residues,
direct
printing,
glue,
labels,
plastic
sleeves,
cap,
etc.).
According
EU
law,
an
annual
report
(for
data
2021)
masses
both
actually
recycled
(PPWR)
(“targeted
materials”)
(“non-targeted
must
prepared
submitted
European
Commission.
The
PPWR
used
calculation
(the
numerator
should
own
resources
(national
contributions
general
budget
based
uniform
call
0.80/kg
non-recycled
PPW).
To
date,
Council
has
not
proposed
method
calculating
these
amounts,
so
they
have
only
been
estimated.
present
study
first
its
kind
Poland)
aimed
estimate
at
point
using
accepted
by
EU.
In
installations,
(plastic
(15
01
02),
multi-material
05)
mixed
06))
together
other
(16
19),
(17
02
03),
rubber
(19
12
04),
plastics
(20
39)).
It
was
assumed
that
proportions
mass
individual
types
total
processed
installation
were
proportional
PPW.
found
average
percentage
4.40–6.90%,
which
seems
relatively
low.
However,
means
that,
when
PPWR,
subtracted
from
entering
process.
As
result,
2021
Poland
almost
30,000
tonnes
lower
than
original
installation.
Thus,
applying
weight
increases
Poland’s
approx.
24
million
euros.
Sustainable
development
and
circular
economy:
trends,
innovations,
prospects
:
scientific
monograph.
Eds.
R.
Diakon,
A.
Kucher,
M.
Heldak.
Riga,
Latvia
Baltija
Publishing,
2024.
384
p.
The
monograph
presents
a
study
of
sustainable
the
prospects.
It
also
examines
aspects
business
performance
management,
formation
sustainability
countries,
industries,
regions,
enterprises.
describes
finance,
banking
insurance.
In
addition,
marketing
entrepreneurship,
consumption,
etc.
are
covered.
publication
is
intended
for
researchers,
teachers,
postgraduate
students
students,
as
well
anyone
interested
in
this
issue.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(12), P. 4896 - 4896
Published: June 7, 2024
This
study
investigates
consumers’
acceptance
and
perceptions
of
post-consumer
recycled
(PCR)
plastic
packaging
with
an
off-odor,
the
effect
a
sustainability
claim
thereupon.
We
utilized
mixed
design
to
examine
influence
percentage
PCR,
color,
presence
on
consumer
perceptions.
Participants
were
presented
vignettes
describing
scenario
involving
purchase
shampoo
bottles
or
without
asked
smell
rate
odor
qualities
bottles,
as
well
their
acceptability
willingness
buy.
The
found
main
PCR
color
buy
perceived
properties.
However,
did
not
significantly
affect
findings
provide
valuable
insights
for
stakeholders
in
sustainable
production
consumption
sector
offer
recommendations
future
research
further
explore
impact
claims
shaping
suboptimal
sensory
Journal of Hazardous Materials,
Journal Year:
2024,
Volume and Issue:
479, P. 135554 - 135554
Published: Aug. 17, 2024
Achieving
circularity
in
the
plastic
economy
predominantly
depends
on
sourcing
higher
quality
recyclates.
Packaging
poses
a
significant
challenge
as
it
is
often
not
prioritised
for
collection
or
recycling
initiatives.
The
presence
of
additives,
such
printing
ink,
impedes
Considering
volume
packaging
plastics
and
importance
branding
(aesthetics
consumer
information),
ink
removal
critical
pre-treatment
step.
However,
literature
limited,
with
only
14
studies
exploring
de-inking
processes.
Drawing
parallels
detergent
laundering
process,
surfactants
have
been
widely
investigated
de-inking,
cationic
proving
most
effective
efficiency
up
to
100%.
concerns
exist
regarding
toxic
hazardous
nature
chemicals.
average
hazard
quotient
(AHQ)
was
developed,
which
compares
chemicals
one
key
findings.
AHQ
provides
quantitative
proxy
hazards
toxicities,
are
qualitatively
presented
part
globally
harmonised
system
(GHS)
classification
To
drive
emerging
including
development
green
(e.g.
gamma-valerolactone),
this
work
enables
an
informed
chemical
selection
minimising
potential
(rather
than
creating
more
adverse
effects
processes)
toxicities
from
waste,
fulfilling
objectives
cleaner
waste
recycling.
