Energies,
Journal Year:
2023,
Volume and Issue:
16(18), P. 6691 - 6691
Published: Sept. 18, 2023
One
of
the
aims
environmental
and
energy
policy
European
Union
is
to
reduce
emission
air
pollutants,
primarily
from
heat
electricity
production,
e.g.,
using
renewable
sources.
An
example
such
a
fuel
agricultural
biomass
including
animal
manure,
which
can
be
used
produce
in
many
ways,
inter
alia
direct
combustion.
The
aim
study
was
measure
concentration
NO,
NOx,
CO,
dust
boiler
efficiency
during
combustion
co-combustion
wood
manure
pellets.
research
conducted
laboratory
Poznań
University
Technology
15
kW
domestic
at
maximum
power.
Manure
pellets
had
higher
moisture—9.2%,
lower
high
heating
value—17.25
MJ·kg−1,
low
value—16.45
ash
content—11.23%
than
average
concentrations
NOx
for
100%
were
198
±
27
mg·m−3,
129
5
8
mg·m−3
8.7
0.5
respectively.
For
this,
power
13.6
(air–fuel
ratio
1.48),
it
close
maximal
nominal
Increasing
share
burning
mixture
worsened
stability
process,
occurrence
incomplete
observed,
resulted
an
increased
CO
dust.
Additionally,
NO
also
increased.
7.8
2.2),
1548
555
355
53
554
88
482
63
Energies,
Journal Year:
2023,
Volume and Issue:
16(18), P. 6686 - 6686
Published: Sept. 18, 2023
The
aim
of
the
publication
was
to
analyze
investments
in
biogas
plants
with
a
cogeneration
unit
for
an
average
size
dairy
farm.
basis
calculation
use
cow
manure
as
only
substrate
methane
fermentation.
economic
balance
also
includes
ecological
and
service
aspects.
study
shows
how
much
energy
quality
potential
is
lost
due
improper
management
what
impact
single
farm
cows
has
on
emission
carbon
dioxide
equivalent.
It
been
estimated
that
result
storage
manure,
even
2/3
its
fertilizing,
value
can
be
lost,
while
causing
damage
environment.
100
cows,
without
government
mechanisms
subsidizing
RES,
payback
period
exceeds
15
years,
Return
Capital
Employed
slightly
more
than
6%.
Energies,
Journal Year:
2024,
Volume and Issue:
17(8), P. 1854 - 1854
Published: April 12, 2024
The
use
of
poultry
litter
(PL)
as
a
sustainable
fuel
is
gaining
more
attention
due
to
its
wide
availability
and
carbon
neutrality.
However,
this
type
feedstock
rich
in
ash
typically
contains
high
concentration
chlorine
(Cl)
alkali
elements
(Na,
K).
Therefore,
it
likely
cause
unwanted
issues
during
combustion
co-combustion,
such
chlorine-induced
corrosion,
deposition,
bed
agglomeration.
In
study,
for
the
first
time,
influence
aluminosilicate
additives
on
above
problems
was
investigated.
Three
minerals
are
under
consideration:
kaolin,
halloysite,
bentonite.
Their
chemical
composition
meting
tendencies
two
ashes
determined.
investigated
ashes,
PL1
PL2,
characterized
by
different
contents
6.38%
0.42%,
respectively.
results
show
that
case
chlorine-rich
ash,
reduced
content
up
45%,
resulting
3.93%
3.48%
4.25%
also
positively
influenced
shrinkage
starting
temperature
deformation
ash.
Energies,
Journal Year:
2024,
Volume and Issue:
17(11), P. 2679 - 2679
Published: May 31, 2024
The
European
Union’s
energy
policy
favors
increasing
the
share
of
renewable
in
total
production.
In
this
context,
co-digestion
various
waste
streams
seems
an
interesting
option.
This
study
aimed
to
determine
effect
selected
pretreatment
methods
on
efficiency
and
kinetics
process
poultry
manure
with
sewage
sludge
organic
waste.
research
was
carried
out
four
stages:
(1)
selection
third
component
mixture;
(2)
determination
most
favorable
inoculum-to-substrate
ratio
for
(3)
parameters
based
changes
volatile
fatty
acids,
ammonium
nitrogen,
extracellular
polymers
substances
(EPS)
non-purgeable
carbon
(NPOC);
(4)
evaluation
anaerobic
result
BMP
tests
kinetic
studies.
All
increased
degree
matter
liquefaction
as
measured
by
NPOC
changes.
Waste
a
high
fat
content
showed
highest
methane
potential.
addition
grease
trap
feedstock
yield
from
320
mL/g
VSadd
340
VSadd.
An
optimal
2.
methods,
especially
thermochemical
one
NaOH,
yield,
which
501
(trial
4.5
g/L
NaoH).
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(17), P. 12896 - 12896
Published: Aug. 25, 2023
Broiler
deep
litter
is
composed
of
cellulose,
manure,
feathers,
and
feed,
after
reuse
through
several
flocks,
may
be
used
as
a
fertilizer.
Alternative
materials
such
plastic
flooring
have
been
researched
but
little
known
about
the
characteristics
waste
produced.
We
analyzed
properties
broiler
manure
from
different
systems
assessed
its
potential
for
biodigestion.
chicks
(1500
one-day-old)
were
reared
using
five
materials:
wood
shavings
(WS);
floor
(PP);
50%
+
(PP
WS);
with
antimicrobial
additive
(PPA);
an
(PPA
WS).
Waste
collection
was
done
at
14,
28,
42
days
growth.
The
total
residue
(kg)
produced
quantified
on
day
42.
solids
(TS),
volatile
(VS),
neutral
detergent
fiber
(NDF),
acid
(ADF),
nitrogen
(N),
pH
growth,
coefficient
(RC)
42nd
day.
contents
ST,
SV,
NDF,
ADF,
C,
N
determined
anaerobic
digestion.
concentrations
O2,
CO2,
CH4
by
digestion
analyzed.
material
did
not
affect
solids’
contents.
lowest
NDF
ADF
found
in
residues.
linearly
increased
over
time
birds
grew.
presence
decisive
production
biogas.
treatments
without
obtained
highest
content
less
residue.
Plastic
shaving
recommended
it
increases
generation.
use
reduced
amounts
generated
promote
greater
yield
biogas
excreta.
Energies,
Journal Year:
2023,
Volume and Issue:
16(18), P. 6691 - 6691
Published: Sept. 18, 2023
One
of
the
aims
environmental
and
energy
policy
European
Union
is
to
reduce
emission
air
pollutants,
primarily
from
heat
electricity
production,
e.g.,
using
renewable
sources.
An
example
such
a
fuel
agricultural
biomass
including
animal
manure,
which
can
be
used
produce
in
many
ways,
inter
alia
direct
combustion.
The
aim
study
was
measure
concentration
NO,
NOx,
CO,
dust
boiler
efficiency
during
combustion
co-combustion
wood
manure
pellets.
research
conducted
laboratory
Poznań
University
Technology
15
kW
domestic
at
maximum
power.
Manure
pellets
had
higher
moisture—9.2%,
lower
high
heating
value—17.25
MJ·kg−1,
low
value—16.45
ash
content—11.23%
than
average
concentrations
NOx
for
100%
were
198
±
27
mg·m−3,
129
5
8
mg·m−3
8.7
0.5
respectively.
For
this,
power
13.6
(air–fuel
ratio
1.48),
it
close
maximal
nominal
Increasing
share
burning
mixture
worsened
stability
process,
occurrence
incomplete
observed,
resulted
an
increased
CO
dust.
Additionally,
NO
also
increased.
7.8
2.2),
1548
555
355
53
554
88
482
63
