Nanomaterials,
Год журнала:
2022,
Номер
12(23), С. 4187 - 4187
Опубликована: Ноя. 25, 2022
Water
scarcity
due
to
contamination
of
water
resources
with
different
inorganic
and
organic
contaminants
is
one
the
foremost
global
concerns.
It
rapid
industrialization,
fast
urbanization,
low
efficiency
traditional
wastewater
treatment
strategies.
Conventional
strategies,
including
chemical
precipitation,
membrane
filtration,
coagulation,
ion
exchange,
solvent
extraction,
adsorption,
photolysis,
are
based
on
adopting
various
nanomaterials
(NMs)
a
high
surface
area,
carbon
NMs,
polymers,
metals-based,
metal
oxides.
However,
significant
bottlenecks
toxicity,
cost,
secondary
contamination,
size
space
constraints,
energy
efficiency,
prolonged
time
consumption,
output
scalability.
On
contrary,
green
NMs
fabricated
using
microorganisms
emerge
as
cost-effective,
eco-friendly,
sustainable,
safe,
efficient
substitutes
for
these
This
review
summarizes
state-of-the-art
microbial-assisted
strategies
microbial
cells,
magnetotactic
bacteria
(MTB),
bio-augmentation
integrated
bioreactors
removing
an
extensive
range
addressing
challenges
associated
Furthermore,
comparative
analysis
efficacies
microbe-assisted
NM-based
remediation
strategy
practices
in
light
crucial
factors
like
reusability,
regeneration,
removal
adsorption
capacity
has
been
presented.
The
challenges,
their
alternate
solutions,
cutting-edge
prospects
nanobiotechnology
integration
advanced
tools
internet-of-nano-things,
cloud
computing,
artificial
intelligence
have
discussed.
opens
new
window
assist
future
research
dedicated
sustainable
nanobiotechnology-based
environmental
applications.
Industrial & Engineering Chemistry Research,
Год журнала:
2023,
Номер
62(17), С. 6537 - 6558
Опубликована: Апрель 24, 2023
Polyacrylonitrile
(PAN)
is
a
hydrophilic
polymer
with
good
chemical
resistance,
low
price,
and
excellent
processability
for
fabricating
membranes,
especially
electrospun
nanofiber-based
membranes.
In
this
review,
the
recent
developments
in
application
modification
of
PAN
membranes
are
discussed,
focusing
on
some
applications
such
as
pervaporation
(PV),
ion
exchange,
hemodialysis,
membrane
distillation,
adsorption
membrane,
water
wastewater
treatment.
First,
physicochemical
characteristics
synthesis
techniques
next,
fabrication
reviewed.
Different
their
reviewed
detailed
studies
focused
methods.
By
using
different
modifiers
nanomaterial
blending,
properties
performance
(membrane
structure,
permeability,
mechanical
strength,
hydrophilicity,
porosity,
surface
charge)
improved.
Finally,
challenges
future
perspective
these
discussed.
The
review
research
progress
paper
may
provide
an
insight
into
development
high-performance
spread
separation
processes
future.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Март 18, 2023
In
the
present
study,
fabrications
of
two
eco-friendly
superhydrophobic/superoleophilic
recyclable
foamy-based
adsorbents
for
oil/water
mixture
separation
were
developed.
Hierarchically
biomass
(celery)-derived
porous
carbon
(PC)
and
multi-walled
nanotube
(MWCNT)
firstly
synthesized
loaded
on
pristine
melamine
foam
(MF)
by
simple
dip-coating
approach
combining
silicone
adhesive
to
create
superhydrophobic/superoleophilic,
recyclable,
reusable
three-dimensional
structure.
The
prepared
samples
have
a
large
specific
surface
area
240
m2/g
(MWCNT),
1126
(PC),
good
micro-mesoporous
frameworks.
water
contact
angle
(WCA)
values
as-prepared
foams,
PC/MF
MWCNT/MF,
not
only
159.34°
±
1.9°
156.42°
1.6°,
respectively
but
also
had
oil
(OCA)
equal
0°
wide
range
oils
organic
solvents.
Therefore,
MWCNT/MF
exhibited
superhydrophobicity
superoleophilicity
properties,
which
can
be
considered
effective
in
separations.
this
context,
foams
kind
different
solvents
shown
superior
performance
ranges
54-143
g/g
46-137
respectively,
suggesting
new
material
separating
spills.
Also,
outstanding
recyclability
reusability
these
structures
ten
adsorption-squeezing
cycles
indicated
that
WCA
sorption
capacity
has
appreciably
changed
after
soaking
into
acidic
(pH
=
2)
alkaline
12)
as
well
saline
(3.5%
NaCl)
solutions.
More
importantly,
chemical
durability
superhydrophobic
made
them
opportunities
use
harsh
conditions
oil-spill
cleanup.
