Improving Physical and Chemical Properties of Saline Soils with Fly Ash Saline and Alkaline Amendment Materials
Sustainability,
Год журнала:
2024,
Номер
16(8), С. 3216 - 3216
Опубликована: Апрель 11, 2024
Studies
have
demonstrated
that
the
physicochemical
properties
of
saline
soils
can
be
improved,
and
crop
growth
promoted
by
fly
ash
alkaline
soil
amendment
materials.
Herein,
effects
materials
on
physical
chemical
conditions
Arrhenatherum
elatius
at
room
temperature
were
evaluated.
Meanwhile,
planting
experiments
Zea
mays
L.
conducted
in
demonstration
field
saline–alkaline
land
Yinchuan,
Ningxia.
The
results
showed
application
significantly
(p
<
0.05)
improved
soil’s
properties.
pH
decreased
from
an
average
10.51
to
8.89;
Na+
content
2.93
g·kg−1
0.7
after
25
days
action.
In
addition,
bulk
density
1.49
g·cm−3
1.36
g·cm−3,
total
porosity
increased
15.60%.
Soil
available
phosphorus
potassium
also
significantly,
with
mean
values
increasing
6.74
mg·kg−1
173
58.30
330.76
mg·kg−1,
respectively.
plant
height
stem
thickness
11.76
cm,
1.28
mm
21.72
1.59
2.5
wt%
material.
210
cm
21.94
315.7
26.75
mm,
respectively,
when
0.07
t·hm−2
material
was
applied
field.
Overall,
it
concluded
applying
improves
soils,
reducing
stress
promoting
Язык: Английский
Desalination/oxidation of papermaking black liquor to prepare liquid fertilizer as soil amendments for plant growth promotion
Environmental Research,
Год журнала:
2025,
Номер
unknown, С. 121987 - 121987
Опубликована: Май 1, 2025
Язык: Английский
Recycling fly ash from coal or biomass combustion for nutrient recovery and enhanced food production in acidic agroecosystems: A multi-level meta-analysis
Renewable and Sustainable Energy Reviews,
Год журнала:
2025,
Номер
221, С. 115925 - 115925
Опубликована: Июнь 4, 2025
Язык: Английский
Desilication of high-silica Indian coal fly ash by alkali leaching with KOH and NaOH: A comparative study
International Journal of Coal Preparation and Utilization,
Год журнала:
2023,
Номер
44(7), С. 866 - 881
Опубликована: Июнь 23, 2023
Indian
coal
fly
ash
generally
comprises
50–60%
SiO2,
and
25–35%
Al2O3
can
potentially
replace
bauxite
as
an
aluminum
resource.
Aluminum
recovery
from
is
highly
dependent
on
removing
amorphous
silica,
activating
the
inactive
mullite
phase,
increasing
Al/Si
ratio.
This
work
thoroughly
investigated
compared
alkali-desilication
operation
by
two
widely
used
alkalis,
KOH
NaOH,
based
four
operational
parameters:
liquid-to-solid
ratio,
or
NaOH
concentration,
leaching
time
temperature.
Using
SEM,
EDX,
XRD,
morphology
phase
of
solid
byproducts
were
analyzed.
was
more
effective
than
in
SiO2
dissolution
at
all
parameters.
A
20
wt%
5:1
2hrs
time,
100°C
temperature
optimum
removal
conditions
for
silica
using
NaOH.
With
KOH,
ideal
desilication
obtained
28
3hrs
150°C
The
highest
ratios
under
same
optimal
conditions.
ratio
enhanced
0.58
to
1.26
1.45,
respectively.
main
zeolitic
products
Hydroxysodalite
NaOH-treated
Linde
F
zeolite
Kalsilite
KOH-treated
ash.
Язык: Английский
Effects of soil conditioner on soil-crop nitrogen transport and crop nitrogen utilization under different irrigation levels in China
Journal of Soils and Sediments,
Год журнала:
2023,
Номер
23(11), С. 3806 - 3819
Опубликована: Июль 11, 2023
Язык: Английский
Design and preparation of reticular superabsorbent hydrogel material with nutrient slow-release and high shear strength for ecological remediation of abandoned mines with steep slopes
International Journal of Biological Macromolecules,
Год журнала:
2024,
Номер
270, С. 132303 - 132303
Опубликована: Май 12, 2024
Язык: Английский