PLoS ONE,
Journal Year:
2025,
Volume and Issue:
20(5), P. e0321095 - e0321095
Published: May 9, 2025
The
current
study
delves
into
the
transformative
effects
of
intensive
grinding
to
nanoscale
upon
oxidized
phosphate
rocks
(PRs)
various
grades,
high
(HMP),
medium
(MMP)
and
low
(LMP)
micro-sizes.
Hence,
consequences
these
changes
on
phosphorous
dissolution
rate
fractions
using
acetic
acid,
were
carefully
evaluated.
produced
(HNP)
(MNP)
grades
nano-sized
revealed
significant
in
their
chemical
composition,
mineralogical,
morphological
geometrical
properties.
Whereas
grade,
LNP,
was
moderately
changed.
HNP
MNP
exhibited
a
remarkable
increase
structural
disorder
(slight
broadening
reflections)
Loss
Ignition
(LOI)
contents
(10.62
13
wt.%,
orderly),
surpassing
counterparts
(HMP:
6.04
MMP:
10.92
wt.%).
Despite
reduction
P
2
O
5
contents,
(31.23
wt.%
(24.22
wt.%),
astoundingly
outperformed
micro-sized
equivalents
35.70
27.92
wt.%)
dissolution.
Therefore,
emerge
as
promising
high-reactive
fertilizers
for
direct
agricultural
use
have
great
potential
source
P/Ca
liquid
fertilizer
after
nutrients
balancing.
So,
eco-friendly
offers
approach
maximize
PRs’
agronomic
potential,
but
long-term
environmental
impacts
should
be
Arabian Journal for Science and Engineering,
Journal Year:
2024,
Volume and Issue:
50(5), P. 3373 - 3386
Published: Aug. 5, 2024
Abstract
This
study
comprehensively
evaluates
the
radiation
attenuation
efficiencies
of
hematite
and
barite,
commonly
used
materials
in
shielding,
using
theoretical
simulation
investigations.
The
MCNP-5
code
was
to
obtain
linear
coefficient
(LAC)
within
energy
range
0.015–15
MeV,
with
validation
by
XCOM
program.
Based
on
these
LAC
values,
various
gamma-ray
shielding
parameters
were
determined:
mass
coefficient,
half-value
layer,
protection
capacity,
mean
free
path,
transmission
factor,
equivalent
thickness
lead
(ET
Pb
).
Additionally,
effective
atomic
number
(Z
eff
)
electron
density
(N
calculated,
including
both
single-energy
energy-dependent
forms
for
photon
absorption
interaction.
Furthermore,
simulations
NGCal
program
calculations
assess
thermal
neutron
attenuation,
while
NXcom
determined
fast
behavior.
analysis
revealed
superior
γ-ray
barite
compared
hematite.
Similarly,
indicated
better
barite.
However,
interestingly,
validated
a
210%
higher
effectiveness
Finally,
comparing
studied
other
demonstrated
promising
potential
as
environmentally
friendly
alternatives
against
types.
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Aug. 19, 2024
The
current
study
introduces
groundbreaking
insights
into
how
organic
matter
(OM)
of
the
black
phosphate
(RB-Ph)
uniquely
influences
phosphorus
(P)
solubility
during
acetic
acid
(AA)
leaching,
expanding
our
understanding
in
this
crucial
area.
To
highlight
such
role,
OM
RB-Ph
was
treated
separately
by
different
procedures
including
calcination
at
550
℃/4
h
(CB-Ph),
30%
hydrogen
peroxide
(HB-Ph)
and
intensive
grinding
to
nano-sizes
(NB-Ph).
mineralogical,
chemical
morphological
characteristics
phosphatic
non-phosphatic
components
these
materials
were
carefully
examined
pre-
post-treatment
via
techniques.
P
dissolution
precursor
its
modified
derivatives
all
over
applied
experimental
parameters
traced
following
trend:
NB-Ph
>
CB-Ph
HB-Ph.
Intensive
nanoscale
resulted
amorphous
with
conspicuous
content
(TOC,
0.410%),
significantly
enhanced
rate
(730-980
ppm),
despite
noticeable
reduction
Polymers for Advanced Technologies,
Journal Year:
2024,
Volume and Issue:
35(11)
Published: Nov. 1, 2024
ABSTRACT
The
rapid
expansion
of
textile
industries
has
contributed
significantly
to
non‐biodegradable
waste
generation,
presenting
a
global
environmental
challenge.
Additionally,
from
the
mining
industry,
such
as
chrysotile
serpentine,
contributes
this
issue.
Therefore,
study
investigates
possibility
recycling
polyamide
6
combined
with
serpentine
produce
nanotextile
fabric‐based
composite
(NTF‐BC).
This
highlights
significance
sustainable
techniques
in
management
specifically
within
industry.
was
intensively
pulverized
into
nanoscale
particles
eliminate
its
hazardous
fibrous
nature
and
facilitate
electrospinning
process.
Comprehensive
characterization
conducted
using
various
analytical
including
XRD,
XRF,
FT‐IR,
SEM,
BET,
DMA,
explore
properties
prepared
fabrics
function
parameters
(Ctl.Sp
concentration,
spinning
distance,
applied
voltage,
flow
rate.).
SEM
analysis
indicated
optimal
fabrication
conditions
for
smoother
more
homogeneous
NTF‐BC
at
Ctl.Sp
concentration
7.5%,
voltage
20
kV,
distance
15
cm,
rate
1
mL/h.
XRD
FT‐IR
analyses
showed
that
increasing
ratio,
negatively
affected
sample
crystallinity
favored
α‐form
over
γ‐form.
In
terms
DMA
characteristics,
ratio
positively
impacted
E
′
values,
minimal
influence
rate.
Notably,
highest
geometric
(i.e.,
S
BET
V
t
)
fabricated
were
attained
lowest
5%.
Nuclear Engineering and Technology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 1, 2024
The
importance
of
radiation
shielding
is
increasing
due
to
the
expanding
areas
exposed
emissions.
As
a
result,
there
crucial
need
develop
metal
alloys
and
composites
that
demonstrate
exceptional
capabilities
in
absorbing
neutron
gamma
rays
for
effective
protection.
major
purpose
this
study
determine
photon
attenuation
coefficients
several
Al–Cu–PbO
detection
applications.
transmission
geometry
technique
was
used
calculate
experimental
mass
at
energies
ranging
from
0.662
1.33
MeV.
To
corroborate
results,
under
consideration
were
calculated
confirmed
by
simulation
using
MCNP5
method.
analyzes
possibility
these
as
alternative
materials
nuclear
Materials,
Journal Year:
2024,
Volume and Issue:
17(24), P. 6264 - 6264
Published: Dec. 21, 2024
This
paper
presents
the
numerical
analysis
of
influence
air
flow
rate
on
porous
structure
development
activated
carbons
prepared
from
macadamia
nut
shells.
The
analyses
based
nitrogen
and
carbon
dioxide
isotherms
were
carried
out
by
new
clustering-based
adsorption
method.
Therefore,
it
was
possible
to
evaluate
with
high
precision
reliability.
In
particular,
results
obtained
showed
that
at
an
700
cm3/min
has
highest
capacity
respect
this
adsorbate,
but
surface
heterogeneity.
On
other
hand,
towards
is
sample
500
cm3/min.
conducted
have
shown
too
causes
a
violent
oxidation
reaction,
leading
uncontrolled
burning
carbonaceous
substance
destruction
smallest
micropores.
