Separation Science and Technology,
Год журнала:
2024,
Номер
unknown, С. 1 - 17
Опубликована: Ноя. 4, 2024
Lactic
acid
is
readily
generated
in
bacterial
fermentations;
however,
a
significant
amount
of
processing
and
expenses
are
required
for
the
purification
lactic
fermentation
broth.
In
this
work,
sorption
from
simulated
broth
has
been
studied
by
utilizing
zirconium-based
metal-organic
framework
(Zr-UiO-66
MOF)
that
acts
as
prominent
adsorbent
due
to
its
specific
geometries
functional
groups.
The
morphological,
structural
properties
prepared
MOF
investigated
using
different
characterization
techniques
such
Field
emission
scanning
electron
microscopy
(FE-SEM),
X-ray
diffraction
(XRD)
pattern,
Fourier
transform
infrared
(FTIR)
analysis,
Brunauer-Emmett-Teller
(BET)
analysis.
results
demonstrate
accuracy
synthesis
procedure.
order
achieve
an
efficient
separation
process,
it
essential
determine
optimal
operational
conditions.
To
address
this,
response
surface
methodology
(RSM)
was
employed
devise
approach
optimizing
five
crucial
process
parameters
achieving
recovery
removal.
These
include
initial
LA
concentration
(ranging
1
36
mg.L−1),
pH
(3–10),
temperature
(25
55
°C),
mass
(0.25
g),
contact
time
(10
240
min).
RSM
analysis
revealed
quadratic
model
provided
best
fit
experimental
data,
with
high
coefficient
determination
(R2).
Three
validation
trials
were
carried
out
precision
optimization
leading
maximum
adsorption
efficiency
97.7%
being
reached
under
optimized
conditions
(initial
=
18.5
mg.L−1,
6.5,
0.625
g,
min,
40
°C).
Environmental Toxicology and Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 9, 2025
The
application
of
metal-organic
frameworks
(MOFs)
towards
the
adsorption
antibiotics
is
a
new
and
emerging
area
study.
rise
in
use
or
misuse
antibiotic
products
has
exacerbated
their
ongoing
presence
persistence
natural
environment.
Even
at
low
concentrations,
residues
exert
pressure
on
bacterial
populations,
eventually
leading
to
emergence
resistant
bacteria.
Metal-organic
frameworks,
known
for
high
porosity,
vast
specific
surface
area,
ease
modification,
have
emerged
be
promising
sustainable
adsorbent.
In
an
effort
advance
development
this
adsorbent,
study
provides
state-of-the-art
review
recent
research
published
from
2020
present,
specifically
examining
MOFs
removing
aqueous
solutions.
Multiple
MOF
adsorbents
were
analyzed,
with
approximately
59%
demonstrating
significant
capacity
within
pH
range
6.0-8.0.
75%
instances,
system
reached
equilibrium
under
2
hr.
Adsorption
capacities
compared
well
other
works
literature
exceeded
conventional
many
instances.
Notable
cases
performance
MIL-53(Al)
amoxicillin
(AMX)
SA-g-P3AP@MOF(Fe)/Ag
neomycin
where
758.5
625.0
mg/g
attained,
respectively.
reusability
was
extensively
reported
laboratory
batch
scale.
Analysis
studies
revealed
most
effective
eluents
acetone,
ethanol,
methanol,
mostly
3-5
cycles
attainable
without
appreciable
loss
efficiency.
confirmed
that
are
highly
efficient
antibiotics;
however,
there
some
areas
warrant
further
development.
It
intended
work
will
bring
trends
forefront,
identify
knowledge
gaps,
help
guide
future
proposals.
