Study on the synergistic preparation of functional soil from multiple coal-based solid wastes
Frontiers in Environmental Science,
Journal Year:
2025,
Volume and Issue:
12
Published: Jan. 17, 2025
Three
coal-based
solid
wastes—fly
ash
(FA),
gasification
slag
(GS),
and
coal
gangue
(CG)—were
used
to
prepare
functional
soil
(FGC)
for
the
ecological
restoration
of
mining
areas.
It
not
only
solves
problem
shortage
resources
in
area,
but
also
realizes
resourceful
use
waste.
Investigating
physicochemical
properties
oatgrass
growth
characteristics
revealed
optimal
ratios.
Compared
with
control
(CK)
at
30
d,
average
pH
FGC3
(FA:
50wt%;
GS:
25wt%;
CG:
25wt%)
decreased
from
9.54
8.54,
organic
matter
content
increased
2.57%
7.60%,
available
potassium
ammonium
nitrogen
38.02
2.83
mg⋅kg
−1
53.46
3.21
,
respectively.
Functional
bulk
density
porosity
were
superior
Sandy
somewhere
Ningxia
(SL)
GS
CG
contents
<25wt%.
significantly
improved
agronomic
traits.
CK
plant
height,
stem
thickness,
fresh
weight,
dry
weight
17.68
cm,
0.99
mm,
0.09
g,
0.02
g
27.0
1.26
0.24
0.04
And
chlorophyll
was
by
20.39%
compared
CK.
This
study
verified
feasibility
synergistic
preparation
soils
three
wastes
provides
reference
large-scale
utilization
wastes.
Language: Английский
Eco-friendly utilization and microbiological characteristics of coal gangue substrate via functional microbial fermentation
Jinhui Shi,
No information about this author
Xiaoyu Zhang,
No information about this author
Mengting Lu
No information about this author
et al.
Environmental Research,
Journal Year:
2025,
Volume and Issue:
271, P. 121035 - 121035
Published: Feb. 4, 2025
Language: Английский
Ash Properties and Environmental Impact of Coal and Its Blend with Patent Fuel for Climate Sustainability
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(11), P. 4413 - 4413
Published: May 23, 2024
Fossil
fuels
are
still
widely
used
today,
and
exploring
more
sustainable
ways
of
using
coal
is
crucial.
One
promising
approach
to
develop
a
patented
fuel
with
reduced
harmful
gas
emissions
during
combustion.
This
study
aims
investigate
the
properties
ash
produced
by
burning
steam
mixed
various
ratios
patent
fuel.
The
combustion
process
was
carried
out
standard
solid
boiler
power
output
70
kW.
samples
were
analyzed
analytical
methods,
leaching
tests
conducted.
found
that
adding
affects
composition.
Determining
thermal
stability
showed
results
in
decomposition
starting
earlier
stronger
fuel–coal
mixtures
contains
lower
concentrations
Ba,
Cr,
Ga,
Li,
Mn,
V,
Zn
than
pure
Leaching
leachates
had
higher
environmental
pollutants,
such
as
As,
Cd,
Co,
Mo,
Sb,
U,
leachates.
Adding
combustion,
properties,
emissions,
disposal.
Understanding
these
implications
can
help
usage
reduce
impact.
Language: Английский