Energy,
Journal Year:
2023,
Volume and Issue:
270, P. 126872 - 126872
Published: Feb. 8, 2023
This
review
highlights
the
current
level
of
waste
plastics
treatment
through
thermal
and
its
potential
for
African
countries.
Improved
options
are
needed
to
convert
over
40%
mismanaged
in
Africa
generate
electrical
chemical
energy.
The
values
measured
calculated
energy
yields
from
high-quality
data
compared
such
as
pyrolysis,
gasification,
incineration,
catalytic
plasma
gasification.
investigation
revealed
that,
production,
gasification
offers
best
valuable
product
yield
single-use
with
a
promising
liquid
output
up
80%
low
heating
value
(LHV)
44
MJ/kg,
gas
6–7%
48
MJ/m3,
solid
10–20%.
products
obtained
at
this
quality
could
be
used
fuel
conventional
gas/diesel
engine
electricity
generation.
For
multi-layered
composite
plastics,
recovery
approach
producing
syngas
LHV
10.8
MJ/m3
consisting
H2
CO
weight
fraction
62.5%
34%,
respectively.
feasible
presented
based
on
profiles
selected
regions
Africa.
Energy Nexus,
Journal Year:
2023,
Volume and Issue:
11, P. 100232 - 100232
Published: Aug. 9, 2023
Estimates
show
that
the
world
generates
around
2.01
billion
tons
of
municipal
solid
waste
(MSW)
each
year,
which
33%
is
not
managed
properly.
This
demonstrates
urgent
need
for
strategies
to
address
growing
rate
MSW
generation
worldwide.
Municipal
collection,
treatment
and
final
deposition
are
among
important
issues
in
agendas
public
administration.
Brazil,
like
other
developing
countries
has
develop
its
political
policies
handle
efficiently
treatment.
A
significant
part
municipalities
still
facing
serious
difficulties
eradicate
dumping
practices
implement
adequate
routes.
As
a
contribution,
this
review
presents
actual
scenario
future
national
plan
period
2024-2040
including
efforts
minimization,
recycling,
sanitation,
closure
polluted
landfills,
incentives
recovery
landfill
gas,
composting,
energy
from
MSW.
Recent
data
shows
generated
Brazil
2022
about
81.8
million
76.1
were
collected
(93.0%).
Of
MSW,
46.4
(61%)
deposited
sanitary
landfills
29.7
(39%)
sent
dumps.
The
recycling
composting
activities
1.12
(or
1.47%)
127,500
0.168%),
respectively.
new
National
Plan
Solid
Waste,
Planares,
establishes
targets,
elimination
controlled
dumps
sites
starting
2024
increase
recovered
48.1%
by
2040.
Journal of Environmental Quality,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Abstract
Global
solid
waste
generation
is
expected
to
double
by
2050
from
the
present
annual
level
of
2.01
metric
ton.
Traditional
biowaste
treatment
methods,
such
as
landfilling
and
incineration,
cannot
meet
need
deal
with
gigantic
amounts
reduce
environmental
harm.
This
review
critically
evaluates
existing
sustainable
management
strategies
highlighting
their
role
in
transitioning
a
“reuse
recovery”
paradigm.
Sustainable
refers
conserving
resources
protecting
human
health,
society,
environment.
In
this
context,
examines
current
advancements
potential
trends
using
widely
available
novel
applications
produce
key
biofuels
(such
biogas
biodiesel)
corrosion
inhibitors,
asbestos‐free
brake
pads,
nutrient‐rich
functional
foods,
bio‐cement,
bio‐based
fertilizer,
biodegradable
plastic.
Among
these,
biowaste‐to‐energy
conversion
(e.g.,
production)
plastic
synthesis
emerge
particularly
impactful
due
scalability
address
both
reduction
resource
recovery
goals.
The
strategic
utilization
into
products
holds
significant
promise
mitigating
sustainability
problems,
offering
renewable
alternatives
that
are
free
harmful
additives.
Biofuel Research Journal,
Journal Year:
2022,
Volume and Issue:
9(1), P. 1592 - 1607
Published: Feb. 28, 2022
Biomass
gasification
technology
is
a
promising
process
to
produce
stable
gas
with
wide
range
of
applications,
from
direct
use
the
synthesis
value-added
biochemicals
and
biofuels.
Due
high
capital/operating
costs
necessity
for
prudent
management
thermal
energy
exchanges
in
biomass
process,
it
important
advanced
sustainability
metrics
ensure
that
environmental
other
factors
are
addressed
beneficially.
Consequently,
various
engineering
techniques
being
used
make
decisions
on
endogenous
exogenous
parameters
processes
find
most
efficient,
viable,
sustainable
operations
conditions.
Among
available
approaches,
exergy
methods
have
attracted
much
attention
due
their
scientific
rigor
accounting
performance,
cost,
impact
systems.
Therefore,
this
review
devoted
critically
reviewing
numerically
scrutinizing
analyzing
First,
bibliometric
analysis
conducted
systematically
identify
research
themes
trends
exergy-based
assessments
Then,
effects
composition,
reactor
type,
gasifying
agent,
operating
efficiency
thoroughly
investigated
mechanistically
discussed.
Unlike
oxygen,
nitrogen,
ash
contents
biomass,
positively
correlated
carbon
hydrogen
biomass.
A
mixed
medium
(CO2
steam)
provides
higher
values.
The
downdraft
fixed-bed
gasifier
exhibits
highest
among
Finally,
opportunities
limitations
aspects
systems
outlined
guide
future
domain.
