Desalination,
Год журнала:
2024,
Номер
583, С. 117727 - 117727
Опубликована: Май 8, 2024
Membrane
technology
presents
an
effective
solution
for
treating
oily
wastewater,
a
significant
environmental
hazard
stemming
from
industries
such
as
food
processing,
metalworking,
and
oil
extraction.
Compared
to
polymeric
membranes,
ceramic
ones
exhibit
superior
mechanical,
chemical,
thermal
stability,
enabling
more
removal
easier
cleaning.
Despite
their
advantages,
membrane
fouling
remains
challenge,
impacting
the
efficiency
of
wastewater
treatment.
This
review
explores
characteristics
applications
in
treatment
processes.
It
examines
factors
influencing
fouling,
including
properties
(e.g.,
concentration,
pH),
surface
hydrophilicity,
charge),
operational
parameters
cross-flow
velocity,
permeate
flux).
Strategies
mitigate
pretreatment,
backpulsing/backwashing
sustained
operation,
chemical
cleaning
removal,
are
discussed.
By
using
can
be
reduced.
Backpulsing/backwashing
is
maintain
long-term
operation.
Chemical
removing
irreversible
restoring
performance
membranes.
Moreover,
modification
techniques
that
enhance
highlighted.
Ultimately,
identifies
control
crucial
optimizing
use
treatment,
underscoring
need
ongoing
research
this
area.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(20), С. 10012 - 10043
Опубликована: Янв. 1, 2024
Bioinspired
superwetting
oil–water
separation
strategy
is
summarized
from
confined-space
to
open-space,
static
dynamic
devices.
Strategies
are
evaluated
and
compared
current
challenges
feasible
solutions
emphasized.
Micromachines,
Год журнала:
2024,
Номер
15(6), С. 670 - 670
Опубликована: Май 21, 2024
Polydimethylsiloxane
(PDMS)
has
attracted
great
attention
in
various
fields
due
to
its
excellent
properties,
but
inherent
hydrophobicity
presents
challenges
many
applications
that
require
controlled
wettability.
The
purpose
of
this
review
is
provide
a
comprehensive
overview
some
key
strategies
for
modifying
the
wettability
PDMS
surfaces
by
providing
main
traditional
methods
modification
and
results
altering
contact
angle
other
characteristics
associated
with
property.
Four
technologies
are
discussed,
namely,
oxygen
plasma
treatment,
surfactant
addition,
UV-ozone
incorporation
nanomaterials,
as
these
commonly
selected
greater
availability
information,
their
lower
complexity
compared
new
techniques,
cost
them.
Oxygen
treatment
widely
used
method
improving
hydrophilicity
introducing
polar
functional
groups
through
oxidation
reactions.
addition
surfactants
provides
versatile
PDMS,
where
selection
concentration
play
an
important
role
achieving
desired
surface
properties.
effective
increasing
energy
inducing
oxidation,
generating
hydrophilic
groups.
Furthermore,
nanomaterials
into
matrices
represents
promising
route
wettability,
adjustable
properties
dispersion
interfacial
interactions.
synergistic
effect
such
nanoparticles
nanotubes,
helps
improve
wetting
behaviour
energy.
present
discusses
recent
advances
each
technique
highlights
underlying
mechanisms,
advantages,
limitations.
Additionally,
trends
future
prospects
importance
tailoring
ranging
from
microfluidics
biomedical
devices
highlighted.
Traditional
often
chosen
modify
because
they
have
more
information
available
literature,
less
complex
than
also
expensive.
Water Environment Research,
Год журнала:
2025,
Номер
97(1)
Опубликована: Янв. 1, 2025
Abstract
The
discharge
of
oil‐laden
wastewater
from
industrial
processes
and
the
frequent
occurrence
oil
spills
pose
severe
threats
to
ecological
environment
human
health.
Membrane
materials
with
special
wettability
have
garnered
attention
for
their
ability
achieve
efficient
oil–water
separation
by
leveraging
differences
in
at
interface.
These
are
characterized
simplicity,
energy
efficiency,
environmental
friendliness,
reusability.
Among
them,
superhydrophilic‐underwater
superoleophobic
membranes
inspired
biomimetic
fish
scale
structures
become
a
focal
point
research
due
repel
contaminants
effectively
maintain
self‐cleaning
properties
during
process.
In
this
study,
stainless
steel
microporous
two‐dimensional
metal
mesh
was
employed
as
substrate,
coated
carrageenan
solution,
gelled
situ
using
sodium
periodate
crosslinking
agent
fabricate
membrane
capabilities.
robust
hydrophilicity
hydrogel
imparts
superhydrophilicity
underwater
superoleophobicity
(underwater
contact
angle
≥
158°),
along
excellent
antifouling
recyclability.
Experimental
results
demonstrate
that
achieved
efficiencies
98.87%,
98.08%,
98.14%,
97.98%
silicone
oil,
canola
cyclohexane,
liquid
paraffin,
respectively,
water
flux
1380.75
L/m
2
·h.
Remarkably,
retained
its
initial
efficiency
even
after
20
cycles.
Additionally,
exhibited
exceptional
stability
under
highly
alkaline
conditions,
making
it
suitable
treatment
complex
oil‐contaminated
wastewater.
Practitioner
Points
This
study
extracted
biocompatible
renewable
marine
red
algae
application
separation.
A
superhydrophilic/underwater
developed
based
on
structures.
exceptionally
high
pure
gravity‐driven
conditions.
resulting
material
exhibits
repellency,
capability,
Separations,
Год журнала:
2024,
Номер
11(4), С. 126 - 126
Опубликована: Апрель 19, 2024
The
frequent
occurrence
of
oil
spills
and
the
massive
discharge
oily
wastewater
pose
a
significant
threat
to
sustainable
healthy
human
development.
Therefore,
it
is
importance
effectively
separate
oil–water
mixtures.
Inspired
by
nature,
many
superwetting
surfaces/materials
for
separation
have
been
developed
in
recent
years.
However,
these
are
subject
certain
limitations
unable
fully
meet
practical
needs.
With
advancement
laser
technology,
novel
solution
has
provided
fabricating
materials.
Based
on
design
theory
mechanism,
this
paper
summarizes
research
progress
laser-fabricated
First,
basic
wetting
theory,
strategy,
mechanism
materials
introduced
detail.
Subsequently,
materials,
including
superoleophilic/superhydrophobic
superhydrophilic/superoleophobic
with
reversible
or
superamphiphilic
wettability,
systematically
summarized
analyzed.
Finally,
challenges
future
directions
discussed.
Solving
the
problem
of
oil
and
water
pollution
is
an
important
topic
in
environmental
protection.
The
separation
oil-water
emulsion
with
high
efficiency
low
consumption
has
been
direction
social
efforts.
Membrane
technology
combined
surface
wettability
pore
size
screening
considered
to
be
one
most
promising
ways
separate
emulsions.
In
this
paper,
polyvinylidene
difluoride
(PVDF)
membrane
prepared
by
combining
two
methods
blending
coating
modification
as
a
double
barrier.
PVDF
can
completely
wet
water,
achieve
superhydrophilic
air,
superoleophobic
underwater.
flux
are
99.57%
678
L
h
