Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 6, 2023
Abstract
Potassium
fertilizer
is
essential
to
ensure
crop
production
and
thus
global
food
supply
safe
fertilizer.
resources
are
mainly
located
in
the
Northern
Hemisphere,
as
a
result,
there
currently
scarcity
of
cheap
potash
severe
soil
deficiencies
some
areas
Southern
Hemisphere.
There
shift
from
mined
salts
locally
available
potassium
resources.
such
silicates
containing
K,
may
be
an
option
improve
this
situation.
The
goal
increasing
productivity
improving
quality
dictates
increase
availability
or
efficient
use
potassium.
development
plants
that
more
efficiently
valuable
for
geneticists.
Nanomaterials
increasingly
used
people's
working
life
new
type
material,
technology
gradually
being
applied
agriculture
with
view
yields
reduce
environmental
pollution.
This
paper
reviews
applications
common
potassium-containing
materials
effects
mechanisms
nano-fertilizers
on
plants,
also
gives
outlook
future
nano-potassium
fertilizers
agriculture,
hopes
it
can
provide
reference
researchers
field.
Chemical Engineering & Technology,
Journal Year:
2024,
Volume and Issue:
47(7), P. 968 - 975
Published: May 11, 2024
Abstract
This
study
investigates
a
rice
husk
waste‐based
filter
(RHW‐BF)
for
the
treatment
of
graywater
(GW)
and
primary
treated
wastewater
(PTW).
The
RHW‐BF
comprises
three
layers:
coarse
sand,
chemically
modified
(MRH),
gravel.
Continuous
runs
(Run
I,
II,
III)
assessed
chemical
oxygen
demand,
total
suspended
solids,
dissolved
turbidity
removal.
Run
(I)
GW
achieved
high
removal:
73.7
%,
73.4
74.6
92.6
%.
Subsequent
showed
decreasing
efficiencies
due
to
media
saturation.
Similar
trends
occurred
PTW,
with
achieving
significant
70.3
69.0
44.2
90.2
MRH
particles
played
crucial
role
in
sustainable
pollutant
compares
World
Health
Organization
Egyptian
limits,
demonstrating
its
suitability
reuse
irrigation,
agriculture,
or
sewer
discharge.
Biochar,
Journal Year:
2024,
Volume and Issue:
6(1)
Published: June 12, 2024
Abstract
Waste
activated
sludge
(WAS)
is
attracting
attention
for
its
energy
and
resource
potential.
Anaerobic
digestion
(AD)
can
be
used
to
efficiently
recover
resources
stabilize
pollutants
in
WAS,
with
biochar
emerging
as
an
ideal
additive
boost
this
process.
However,
the
low
abundance
of
surface
functional
groups
small
pore
structure
raw
may
limit
performance
AD
WAS.
These
limitations
overcome
by
using
biochar.
In
review,
preparation
modification
methods
role
WAS
are
systematically
summarized
discussed.
Notably,
electron
transfer,
buffering
effects,
microbial
immobilization,
alleviation
inhibitory
modulation
analyzed.
Additionally,
impacts
on
digestate
utilization,
pollutant
removal,
carbon
fixation
Special
given
ability
promote
circular
economy
neutrality.
Finally,
future
perspectives
use
presented.
The
aim
review
provide
insights
into
application
from
perspective
improvement,
economy.
Graphical
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(7), P. 6104 - 6104
Published: March 31, 2023
Carbon
emission
reduction
is
an
important
issue
facing
the
current
industrial
development.
With
agglomeration
of
old
bases
in
Northeast
China
and
high
total
carbon
emission,
it
difficult
to
achieve
goal
neutrality.
The
objective
crop
straw
biochar
preparation
utilization
research
regional
neutralization
sink
function.
waste
resources
were
huge,
with
annual
yield
about
7.0
×
107
tons
which
showed
increasing
trend.
development
industry
significantly
reduced
emissions
environmental
pollution
caused
by
burning.
At
same
time,
obtained
a
huge
profit
1010
RMB.
Because
special
location
conditions
China,
establishment
chain
needed
multi-angle
judgment.
will
have
broad
prospect,
demand
not
only
farmland
soil
improvement
but
also
winter
heating
fuel
reduction.
This
study
further
increase
capacity
promote
realization
China’s
neutrality
goal,
has
reference
value
for
other
countries
world.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(13)
Published: March 27, 2024
Abstract
The
composite
pollution
of
heavy
metals
(HMs)
and
polycyclic
aromatic
hydrocarbons
(PAHs)
in
agricultural
soil
is
increasingly
severe.
HMs
can
undergo
surface
adsorption,
complexation,
or
chemical
reactions
to
transform
from
bioavailable
species
residual
species,
achieving
morphological
stability.
However,
these
processes
have
no
effect
on
PAHs.
Biochar
(BC),
due
its
inherent
characteristics,
significantly
enhance
the
stability
PAHs
recommended
as
a
potential
co‐stabilizing
material
for
both
In
this
study,
rice
husk
biochar
modified
with
β‐cyclodextrin
chitosan
(β‐CD/C‐BC)
was
utilized
stabilize
contaminated
by
Cd
Pyrene
(Pyr).
One‐way
tests
were
conducted
dosage
curing
time
after
complete
cycle
treatment.
results
demonstrated
that
optimal
achieved
when
β‐CD/C‐BC
7.5
%
21
days.
removal
efficiencies
Pyr
found
be
84.62
%,
64.22
85.90
65.78
respectively.
Additionally,
BCR
testing
revealed
could
convert
into
state
(from
32
82
%)
highest
stabilization
rate,
thereby
reducing
their
migration
ability
ecological
risk.
