Fuel,
Journal Year:
2023,
Volume and Issue:
357, P. 129815 - 129815
Published: Sept. 15, 2023
This
study
aims
to
determine
how
different
operating
conditions
for
a
fast
pyrolysis
process
employing
municipal
green
waste
(MGW)
in
an
auger
reactor
affect
product
yields,
overall
energy
efficiency,
and
total
exergy
efficiency.
In
this
study,
range
of
conditions,
including
temperatures
from
400
600
°C
(in
50
increments),
holding
times
1
5
min
1-minute
feedstock
particle
sizes
2
10
mm
2-mm
increments)
were
used.
MGW
products
characterised
using
separate
pieces
equipment
accordance
with
applicable
ASTM
standards.
The
results
demonstrate
that
yield
52.8%
bio-oil
23.7%
syngas
can
be
achieved
at
500
°C,
respectively.
At
the
biochar
production
was
highest
as
21.5%.
Bio-oil
yields
improved
times,
whereas
declined.
size
mm,
efficiency
its
maximum
(72.9%),
while
also
(68.4%).
As
increased,
dropped.
conclusion,
provides
valuable
insights
into
effects
parameters
on
MGW,
which
used
optimize
increase
Heliyon,
Journal Year:
2022,
Volume and Issue:
8(12), P. e11940 - e11940
Published: Dec. 1, 2022
Low-cost
and
renewable
adsorbent
activated
carbon
from
lignocellulosic
biomass
is
a
focus
of
worldwide
concern
due
to
its
readily
available
waste
disposal
problems
in
the
environment.
Physical
chemical
processes
are
main
procedures
forproduction
biomass-activated
(AC).
Activating
by
methods
terms
energy
performance,
lower
timecarbonization,
temperature
mutual
forthe
production
carbon.
Out
activating
agents
(H3PO4,
H2SO4,
ZnCl2,
FeCl3,
NaOH,
KOH,
K2CO3),
H3PO4
most
commonly
used
agent
during
synthesis
because
ease
recovery,
low
environmental
impact,
higher
yield.
The
surface
area
H3PO4was
variability
456.1–2806
m2/g,
yielding
26.1–85
%
an
extreme
adsorption
capacity
2.5–89.29
mg/g.
And
also,
high
acids
precursor
ratio
activation
AC
were
synthesized
biomass.
Generally,
advantage
this
review
paper,
gathers
evidence
currently
published
articles
deliberating
composition,
proximate
values,
methods,
elemental
composition
biomass,
physio-chemical
properties
different
materials
using
phosphoric
acid
agent,
usage
derived
through
for
water
disinfection,
solute
organic
matter,
storage,
heavy
metal
removal.
Energy Reports,
Journal Year:
2023,
Volume and Issue:
10, P. 3297 - 3314
Published: Oct. 11, 2023
Because
of
its
low
environmental
impact
and
high
production,
microalgae
bio-oil
has
quickly
become
a
popular
renewable
fuel
option.
The
process
utilizes
which
are
readily
available
in
nature
to
produce
an
alternative
fossil
fuel.
Although
microalgal
production
mechanisms
have
been
previously
reviewed
recent
studies,
comparatively
few
them
emphasize
the
significance
algal
through
all
conversion
from
microalgae.
Here
we
review
common
processes
microalgae,
upgrading,
commercial
aspects
utilization.
most
efficient
route
can
be
identified
by
analysing
both
biomass
feedstock
final
product.
For
example,
pyrolysis
high-energy
bio-oil,
but
it
also
produces
large
amounts
char
gas.
hydrothermal
liquefaction
gasification
more
complex
costly,
they
potential
with
greater
consistency.
However,
expense
using
context
is
major
concern.
cost
producing
typically
higher
than
that
conventional
fuels.
Several
factors,
including
cost,
availability,
necessary
infrastructure,
contribute
uncertainty
bio-oil's
feasibility.
With
constant
improvements
technology
government
support,
however,
emerge
as
viable
