Energies,
Год журнала:
2024,
Номер
17(3), С. 612 - 612
Опубликована: Янв. 26, 2024
Pyrolysis
of
biomass
converts
all
components
into
liquid,
gaseous,
and
solid
products
without
the
need
for
component
separation.
However,
composition
liquid
from
lignocellulosic
is
usually
complex
difficult
to
upgrade.
Slow
pyrolysis
de-oiled
rapeseed
cake,
an
agricultural
waste
pressing
process,
was
carried
out
fuel
production.
The
maximum
yield
bio-oil
obtained
51.6
wt.%
under
optimized
conditions.
HHV
bio-oil,
containing
mainly
acids,
hydrocarbons,
esters,
alcohols,
32.82
MJ·kg−1,
similar
that
bio-diesel,
be
promising
in
downstream
upgrading
because
properties
such
as
higher
caloric
value,
limited
moisture
content,
well
neutral
pH
were
close
commercial
bio-diesel.
gaseous
fraction
consisted
CO,
C1,
C2
H2,
CO2,
corresponding
LHV
reached
7.63
MJ·Nm−3.
bio-chars
declined
41.8
at
400
°C
28.8
800
°C,
whereas
varied
29.03
MJ·kg−1
30.14
comparative
coal,
indicating
a
candidate
fuels
or
functional
carbon.
product
shows
promise
feedstock
producing
high-quality
fuel.
Agronomy,
Год журнала:
2024,
Номер
14(3), С. 533 - 533
Опубликована: Март 4, 2024
Biochar
as
a
by-product
of
the
carbonization
biomass
has
an
inherent
potential
to
modify
acidic
soils
due
its
alkaline
nature.
To
explore
mechanism
and
effectiveness
biochar,
case
study
was
conducted
on
severely
from
six
fields
under
tea
cultivation
in
subtropical
zone,
comparing
rice
husk
biochars,
three
rates
(B5,
B10,
B15
t
ha−1),
CaCO3
conventional
liming
practice.
The
results
showed
increases
pH
71.5%,
52.7%,
30.6%,
29.7%
B15,
B5,
CaCO3-treated
compared
control.
On
average,
B10
treatments
resulted
highest
organic
matter
with
12.3%
9.7%,
respectively.
caused
196.6%,
173.4%,
129.7%,
100.9%
base
saturation
control,
Also,
after
application
B5
treatments,
effective
cation
exchange
capacity
increased
by
191.4%,
112.1%,
39.5%;
however,
20.1%
decrease.
Overall,
applying
biochar
provides
adequate
negative
charges
well-extended
specific
surface
area
pore
volume,
which
cause
absorption
additional
Al+,
resulting
ameliorating
soil
pH.
proper
could
notably
be
more
improving
than
practices
such
overuse
CaCO3.
In
this
regard,
evaluating
various
biochars
terms
feedstock,
pyrolysis
conditions,
modification
scenarios
merits
in-depth
research
future
studies.
Agricultural Water Management,
Год журнала:
2024,
Номер
301, С. 108953 - 108953
Опубликована: Июль 11, 2024
Climate
change
cause
extreme
weather
effects
with
temperature
increases
and
drops
in
humidity,
such
as
drought
heatwaves,
which
will
lead
to
more
evaporation
arid
semi-arid
lands.
The
application
of
biochar
made
from
crop
straw
without
burning
farmland
can
effectively
improve
the
water
retention
capacity
soil.
A
testing
program
has
been
carried
out
a
climate
simulation
laboratory
study
different
biochars
on
cracking
soils
due
drying.
Biochar
wheat
(WS),
corn
(CS)
rice
(RS)
is
produced
at
pyrolysis
500℃.
Thermogravimetric
analysis
elemental
are
obtain
properties
biochar.
Five
percent
WS,
CS
RS
by
weight
added
acidic
Digital
camera
digital
image
processing
technology
used
analyze
crack
morphology
samples
during
evaporation.
results
indicate
that
highest
ash
content
(32.5
%),
volatile
solid
(25.36
%)
WS
fixed
carbon
(55.38
%).
final
contents
soil
132.3
%,
101.0
20.7
%
respectively
higher
than
Moreover,
reduce
degree
cracking.
addition
9.21
16.57
7.46
respectively.
contains
total
cellulose
RS,
so
best
choice
ability.
Therefore,
helps
optimize
while
avoiding
environmental
pollution
burning.
Agricultural Water Management,
Год журнала:
2024,
Номер
296, С. 108788 - 108788
Опубликована: Март 23, 2024
Biochar
can
serve
as
a
soil
amendment
to
immobilize
nitrogen
(N)
and
reduce
N
leaching
from
cropland
without
negative
effect
on
crop
yield.
However,
the
interaction
of
biochar
application
irrigation
regimes
status
(N
retention
loss)
yield
is
rarely
reported
in
open
perennial
vegetable
field.
A
two-years
field
trial
(transplanting
first
year
consecutive
growth
second
year)
was
conducted
citron
daylily
cropping
system
sandy
brown
alluvial
soil.
Two
rates
(0
30
t
ha−1)
three
(CDI,
conventional
drip
irrigation;
WSDI,
water-saving
with
80%
full
quota;
APRDI,
alternate
partial
root-zone
quota)
were
included.
The
response
both
varied
across
planting
years
for
daylily.
After
year's
harvest,
APRDI
enhanced
flower
bud
by
18–28%
compared
CDI
likely
due
improved
nitrate
use
efficiency
evidenced
lower
surface
(0–20
cm)
post-harvest.
resulted
reduction
27%
under
APRDI.
Additionally,
WSDI
reduced
yields,
decreased
TN
sub-surface
layer
(20–50
9–19%
comparison
other
two
regimes,
resulting
higher
concentration
solution
(14–28%)
thus
an
increased
risk
leaching.
after
harvest
year,
there
no
variations
induced
regimes.
Irrigation
exhibited
limited
influence
status,
while
mitigated
decline
0–50
cm
enhancing
organic
capacity
nearly
16–85%.
Furthermore,
lowest
suggested
We
conclude
that
combining
regime
could
help
retain
N,
decrease
leaching,
enhance
total
years.
Therefore,
this
approach
recommended
sustainable
management
long-term
crops.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Май 20, 2024
Abstract
Large
amount
of
wastes
are
burnt
or
left
to
decompose
on
site
at
landfills
where
they
cause
air
pollution
and
nutrient
leaching
groundwater.
Waste
management
strategies
that
return
these
food
agricultural
soils
recover
the
carbon
nutrients
would
otherwise
have
been
lost,
enrich
improve
crop
productivity.
The
incorporation
liming
materials
can
neutralize
protons
released,
hence
reducing
soil
acidity
its
adverse
impacts
environment,
security,
human
health.
Biochar
derived
from
organic
residues
is
becoming
a
source
input
provides
multifunctional
values.
be
alkaline
in
nature,
with
level
alkalinity
dependent
upon
feedstock
processing
conditions.
This
study
conducted
characterization
biochar
pyrolysis
process
eggplant
Acacia
nilotica
bark
temperatures
300
°C
600
°C.
An
analysis
was
kinds
determine
their
pH,
phosphorus
(P),
as
well
other
elemental
composition.
proximate
by
ASTM
standard
1762-84,
while
surface
morphological
features
were
measured
using
scanning
electron
microscope.
exhibited
greater
yield
higher
fixed
possessing
lower
content
ash
volatile
components
compared
eggplant.
exhibits
ability
acacia
bark-derived
biochar.
calcium
carbonate
equivalent,
potassium
(K),
(P)
levels
biochars
increased
temperature
increased.
results
suggest
could
beneficial
resource
for
storing
soil,
addressing
enhancing
availability,
particularly
acidic
soils.