Emergent Materials,
Год журнала:
2023,
Номер
unknown
Опубликована: Дек. 13, 2023
Abstract
The
present
work
focuses
on
valorizing
the
various
biochar
supports
of
nano-catalysts
and
investigates
effect
type
initial
biomass
deposition
salient
physico-chemical
features
zinc
oxide
(ZnO)
nanoparticles.
In
this
regard,
we
have
used
four
different
biomasses,
namely,
sugarcane
bagasse
(
Saccharum
officinarum
),
algae
Phaeophyta
mandarin
orange
peels
Citrus
reticulata
China
rose
petals
Rosa
chinensis
)
as
sources
biochar.
Their
wet
impregnation
with
acetate
was
followed
by
pyrolysis
at
500
°C.
It
led
to
(nicknamed
“sweety,”
“salty,”
“sour,”
“romantic”
biochar,
respectively)
loaded
very
well
dispersed,
20–360
nm-sized
(mostly)
ZnO
Interestingly,
depending
used,
size,
shape
(quartz-like,
semi-spherical,
spherical,
semi-cauliflower,
needle
or
rod-like),
degree
crystallinity
nanoparticles
(hexagonal
crystal
system)
vary,
in
spite
all
other
synthesis
parameters
being
similar.
Nanoparticle-induced
graphitization
crystallization
been
also
observed
Raman
spectroscopy.
malachite
green
dye
mineralization
efficiency
presence
H
2
O
biochar-supported
nanocatalysts
15.1%,
46.3%,
99.9%,
67.9%,
66.4%
for
,
china
petals,
algae,
peels,
bagasse-supported
catalyst
respectively.
Malachite
removal
fits
a
pseudo-first-order
kinetic
model
R
=
0.9701
(at
biochar-ZnO).
6.6
times
enhancement
is
compared
just
.
recyclability
test
impregnated
after
5
cycles
indicates
levels
up
81.4%.
Beyond
these
scientific
results,
based
principle
waste
valorization
sustainable
development
circular
economy,
one
hand,
addresses
UN
Sustainable
Development
Goals
6,
13,
14,
hand.
clear
that
new
romance
field
materials
science
future.
Graphical
Sustainable Development,
Год журнала:
2024,
Номер
32(6), С. 6686 - 6702
Опубликована: Май 22, 2024
Abstract
The
relationship
between
the
practices
and
initiatives
governing
“waste
production
models”
(sustainable
development
goal
[SDG]12)
marine
biodiversity
goals
(SDG14)
is
relatively
unexplored.
Aiming
to
bridge
this
gap
by
drawing
on
stakeholder
legitimacy
theories,
study
examines
onboard
cruise
ships'
circular
economy
(CE)‐based
waste
management
initiatives,
correlating
SGDs
12
14.
Consequently,
Carnival
Corporation
Plc's
2020–2022
sustainability
reports
are
analyzed
using
content
analysis
both
Leximancer
software
(ver.
5.0)
manual
methods.
results
highlight
corporation's
increasing
commitment
green
technologies
for
achieve
SDG14.
However,
its
provide
unclear
evidence
of
impact
biodiversity.
Findings
implies
that
practitioners
should
partner
invest
in
Besides
being
first
explore
link
two
SDGs
within
CE
framework,
advances
insights
into
models,”
enhancing
understanding
sustainable
practices.
Competitiveness Review An International Business Journal incorporating Journal of Global Competitiveness,
Год журнала:
2023,
Номер
34(2), С. 327 - 352
Опубликована: Апрель 4, 2023
Purpose
This
research
aims
to
determine
the
influence
of
environmental,
social
and
governance
(ESG)
factors
on
market
performance.
The
study
shows
perspective
ESG
attempted
test
relationship
between
Tobin’s
Q
effect
control
variables.
Design/methodology/approach
used
panel
data
from
a
sample
covering
720
firms
ran
fixed-effects
model
regression
during
2007–2019
period
for
eight
European
countries’
listed
companies.
Findings
findings
reveal
that
positively
impacts
Q.
According
findings,
high
company
performance
boosts
via
moderator
competitive
advantage.
results
indicate
all
variables
are
significant.
firm’s
leverage
has
negative
with
ESG.
size
firm
positively.
Also,
prove
industry
affect
Research
limitations/implications
this
suggest
managers,
practitioners
authorities
interested
in
learning
about
scores
(ESGSs),
advantage
might
draw
intriguing
conclusions
data.
Managers
can
identify
appropriate
levels
improve
Practitioners
must
whether
fit,
size,
growth,
could
enhance
also
give
board
directors
information
future
growth
opportunities
country.
Originality/value
presents
vision
how
positive
link
ESGSs
Journal of Cleaner Production,
Год журнала:
2024,
Номер
439, С. 140787 - 140787
Опубликована: Янв. 23, 2024
Implementing
Circular
Economy
(CE)
strategies
has
recently
become
one
of
the
essential
for
sustainable
development
and
corporate
social
responsibility.
However,
despite
promising
role
potential
benefits
CE
companies
society,
there
still
been
insufficient
analysis
examining
challenges
circular
transition
faced
by
micro,
small,
medium-sized
enterprises
(MSMEs)
that
standards,
such
as
British
Standard
(BS)
8001:2017,
play
during
process
from
linear
to
economy
practices.
Given
this
context
further
increase
our
understanding
factors
preventing
CE,
study
aims
assess
implementation
in
MSMEs
developing
economies
light
BS
8001:2017
through
a
survey
with
Brazilian
MSMEs.
The
primary
findings
emphasize
practices
Administration
dimension
occupied
top
positions
ranking
implementation,
along
practice
Innovation
dimension.
results
show
several
associated
Transparency
Product
Optimization
value
chain
held
last
level
evidence
implementation.
Findings
suggest
assessing
is
beneficial
aiding
them
analysing
reconsidering
their
related
conventional
business
models
take-use-dispose.
Collectively,
improve
adoption
components
most
least
adopted
transition.
also
provides
implications
policy,
theory,
practical
applications
cases
where
an
interest
maturity
within
economies.
Management Decision,
Год журнала:
2024,
Номер
62(13), С. 141 - 177
Опубликована: Апрель 3, 2024
Purpose
The
shift
toward
a
circular
economy
(CE)
represents
collaborative
endeavor
necessitating
the
presence
of
efficient
frameworks,
conducive
contexts
and
common
comprehension.
This
research
serves
as
pivotal
stride
towards
this
goal,
presenting
an
exclusive
prospect
for
investigation
fusion
these
with
particular
emphasis
on
Quintuple
Helix
Model
(5HM),
into
unified
theoretical
framework
that
underscores
core
principles
CE.
study
is
centered
three
questions
aimed
at
decoding
CE
transition
in
specific
regional
settings.
Design/methodology/approach
Adopting
abductive
approach
firmly
anchored
two-stage
qualitative
process,
specifically
merges
foundational
from
institutional
theory,
entrepreneurship
literature
frameworks
to
provide
insights
dynamics
ecosystems,
focus
Huelva
region
Spain.
Findings
findings
demonstrate
significant
potential
CE,
ranging
integration
product
service
systems
innovations
eco-industrial
practices.
Yet,
notable
deficiency
exists:
absence
entrepreneurs,
highlighting
essential
role
universities
can
play.
As
recognized
centers
innovation,
are
suggested
be
key
contributors
transformation
aligning
their
societal
economic
responsibilities.
Practical
implications
highlights
importance
managing
relationships
entities
like
SMEs
policymakers
or
academia
effective
adoption.
Policymakers
refine
strategies
based
research’s
insights,
while
impact
university-driven
ecosystems
sustainable
societies
another
crucial
area
research.
Originality/value
sustainability
models
cited
may
not
comprehensive
enough
prevent
problem
shifting,
it
argued
they
lack
sound
conceptual
basis.
Furthermore,
connections
between
objectives
levels
operating
system
remain
vague.
Additionally,
there
insufficient
information
how
regions
foster
involvement
environment
fivefold
helix
cooperation
impacts
