Separations,
Год журнала:
2022,
Номер
9(6), С. 139 - 139
Опубликована: Май 30, 2022
The
study
provides
a
review
of
various
applications
biomass-derived
biochars,
waste-derived
and
modified
biochars
as
adsorbent
materials
for
removing
dyestuff
from
process
effluents.
Processing
significant
amounts
dye
effluent
discharges
into
receiving
waters
can
supply
major
benefits
to
countries
which
are
affected
by
the
water
crisis
anticipated
future
stress
in
many
areas
world.
When
compared
most
conventional
adsorbents,
provide
an
economically
attractive
solution.
In
comparison
other
textile
treatment
processes,
adsorption
technology
economic,
easily
managed,
highly
effective
option.
Several
tabulated
data
values
provided
that
summarize
main
characteristics
biochar
adsorbents
according
their
ability
remove
dyestuffs
wastewaters.
Arabian Journal of Chemistry,
Год журнала:
2022,
Номер
15(9), С. 104059 - 104059
Опубликована: Июнь 20, 2022
A
new
MgO-AC
(magnesium
oxide
modified
activated
carbon)
adsorbent
was
successfully
synthesized
under
microwave
irradiation.
XRD,
FT-IR,
XPS,
SEM
and
N2
adsorption
were
used
to
characterize
the
properties
of
MgO-AC.
It
found
that
highly
crystalline
preparation
process,
doping
MgO
(Magnesium
oxide)
did
not
cause
gap
blockage
AC
(activated
carbon),
but
micropore
area
average
pore
size
increased
significantly.
Multiple
conditional
parameters
studied
determine
optimal
effect,
such
as
roasting
temperature,
holding
time,
amount,
contact
system
pH,
initial
concentration
Cd(II)
(divalent
cadmium
ion).
The
results
show
parameter
conditions
are
follows:
insulation
temperature
is
800
°C,
time
40
min,
amount
1/20
AC,
maximum
capacity
649.9
mg·g−1
at
pH
=
7.
In
addition,
thermodynamic
studies
process
spontaneous
endothermic,
kinetic
isotherm
models
pseudo-second-order
model
Langmuir
well
fitted
for
process.
Sustainability,
Год журнала:
2023,
Номер
15(17), С. 12939 - 12939
Опубликована: Авг. 28, 2023
This
research
investigates
commercial
activated
carbon
(AC)
potential
to
remove
methyl
orange
(MO)
dye
removal
from
aqueous
solution
using
a
batch
process.
The
AC
material
was
characterized
FTIR
spectroscopy
and
SEM
analysis.
effect
of
the
main
operating
parameters,
such
as
pH,
adsorbent
dosage,
contact
time,
initial
concentration,
studied.
MO
could
be
accomplished
within
30
min
at
pH
value
3.
calculated
maximum
adsorption
capacity
onto
129.3
mg/g,
while
efficiency
97.8%.
Adsorption
results
were
analyzed
by
studying
Langmuir
Freundlich
isotherm
models.
data
on
better
explained
than
isotherm.
pseudo-second-order
kinetic
model
may
have
had
an
material.
showed
that
can
used
effective
sorbent
for
wastewater
sample.
Moreover,
has
good
reusability
practical
utilization
capacities.
Water,
Год журнала:
2023,
Номер
15(12), С. 2215 - 2215
Опубликована: Июнь 12, 2023
Problems
with
increasing
heavy
metal
contents
in
natural
waters
are
becoming
a
global
issue.
At
the
same
time,
improved
methods
for
water
treatment
increasingly
important.
In
this
context,
zeolites
can
be
used
to
purify
polluted
water.
paper,
we
investigated
how
adsorption
capacity
of
improved.
Natural
from
Shankanay
district,
Almaty,
Kazakhstan,
were
as
adsorbent
material
experiments
on
improving
metals.
We
found
that
metals
was
increased
greatly
by
thermal
activation
using
furnace
treatment.
The
optimal
condition
about
550
°C
duration
2
h.
However,
different
varied
depending
heat
temperature.
Adsorption
heat-treated
at
temperature
87%
nickel,
99%
copper
and
cadmium,
100%
lead.
500
78%
98%
copper,
83%
88%
residual
concentration
filtered
did
not
exceed
maximum
permissible
concentrations
drinking
purposes.
all
experiments,
intense
took
place
during
first
10
min
representing
35
61%
ions
properties
verified
(BET),
IR
spectroscopy,
scanning
electron
microscopy.
study
shows
modified
have
great
potential
low-cost
purifying
Separation Science and Technology,
Год журнала:
2024,
Номер
59(4), С. 592 - 611
Опубликована: Март 3, 2024
The
fundamental
surface
properties
of
different
particles
play
an
important
role
in
the
hydrophobicity
and
flotation
performance
minerals.
In
recent
years,
influence
physical
on
flotability
minerals
has
garnered
significant
attention,
revealing
a
positive
correlation
between
roughness
performance.
This
paper
analyzes
effects
mineral
characteristics
process.
An
in-depth
review
methods
for
measuring
modifying
to
comprehensively
analyze
its
is
also
included.
include
methods,
chemical
utilization
nanoparticle
collectors.
Additionally,
this
explores
molecular
simulation,
fast-approaching
powerful
tool
investigating
reagent-mineral
interactions.
Here,
changes
model
their
wettability
simulation
techniques
discussed,
facilitate
application
flotation.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 27, 2025
Electronic
grade
hydrogen
peroxide
plays
a
crucial
role
in
the
fabrication
of
large-scale
integrated
circuits.
However,
prepared
by
anthraquinone
method
contains
impurities
such
as
lead
ions
(Pb2+)
and
phosphate,
which
can
seriously
affect
yield
circuit.
Traditional
adsorbent
materials
have
difficulty
solving
problem
simultaneous
adsorption
trace
anions
cations
due
to
single
site
poor
kinetics.
In
this
study,
UiO-66-NH2
was
introducing
-NH2
group
on
terephthalic
acid
ligand,
series
hybrid
matrix
hollow
fiber
membranes
with
different
contents
were
loading
it
polysulfone
(PSF).
This
initiative
not
only
improved
pore
size
water
flux
but
also
enhanced
removal
efficiency
from
solution,
thereby
facilitating
practical
application.
Among
them,
[email protected]
showed
best
phosphate
capacities
3.099
2.160
mg
g-1
reached
67.1
60.1%,
fully
confirms
practicability
purification
electronic
chemicals.
work
innovatively
proposes
that
UiO-66-NH2@PSF
great
potential
adsorbents
for
efficient
solvents.
