Self-heating
membrane
distillation
has
emerged
as
a
promising
method
for
seawater
desalination
due
to
its
cost-effectiveness
and
high
efficiency
(MD)
performance.
However,
the
single
energy
input
(solar
or
electrical
energy)
of
current
self-heating
MD
faces
challenges
such
unstable
freshwater
production,
consumption,
intolerance
oil
contamination.
To
overcome
these
limitations,
we
develop
novel
Janus
(CNT-PVA@CC/HPo-PVDF)
that
combines
photothermal
electrothermal
effects
local
heating
efficient
phase
separation.
Our
experimental
numerical
findings
demonstrate
solar
coupled
(SEMD)
performance
is
influenced
by
working
conditions.
By
optimizing
flow
velocity
(0.06
g/s)
electrical/solar
ratio
(1
sun
0.2
W),
achieve
remarkable
water
flux
4.3
kg
m-2
h-1
(4.6
times
better
than
conventional
MD)
an
utilization
76.32%.
Furthermore,
exhibits
excellent
in
silicone
oil/brine
emulsions
60
hrs;
separable
design
allows
replacing
hydrophobic
if
it
contaminated,
which
extends
service
life
layer
(CNT-PVA@CC).
This
study
provides
valuable
insights
development
low-energy,
low-cost,
durable
separation
technology
oil-contaminated
seawater.
Case Studies in Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
45, P. 102997 - 102997
Published: April 20, 2023
At
present,
poly-generation
sustainable
systems
are
highly
promising
pathways
that
could
produce
several
beneficial
energy
outputs,
such
as
electricity,
heat,
and
freshwater,
have
the
potential
to
fulfill
financial
competitiveness
higher
efficiencies.
Considering
great
advantages
of
solar
dish/Stirling
cycle,
this
study
introduces
comprehensive
theoretical
modeling
performance
analysis
a
dish/Stirling-powered
single
effect
distillation
system
(SDSPSEDS)
for
combined
freshwater
tri-production.
A
detailed
mathematical
model
executed
in
MATLAB
software
based
on
balance
opt-geometric
approaches
was
established
simulate
SDSPSEDS
operation
dynamically.
In
order
analyze
its
under
real
weather
conditions
Tabuk,
KSA,
four
seasonal
scenarios.
The
energetic
hybrid
is
comprehensively
evaluated
terms
net
electric
power,
solar-to-electricity
conversion
efficiency,
Stirling
engine
rejected
distilled
productivity,
overall
co-generation
efficiency
system.
simulation
results
show
daily
electrical
produced
by
234.7,
194.6,
159.8,
190.0
kWh/day.
contrast,
production
obtained
787.4,
657.3,
545.0,
650.0
kg/day
June,
September,
January,
March,
respectively.
Moreover,
it
also
found
increased
62.60%,
53.50%,
47.40%,
52.96%
compared
only
average
efficiencies
20.92%,
17.82%,
15.50%,
17.60%
attained;
same
examined
days,
respectively
when
utilizing
standalone
power
Thus,
findings
proved
an
efficient
water
rural
areas
with
no
piping
network
or
grid.
Journal of Membrane Science,
Journal Year:
2024,
Volume and Issue:
705, P. 122900 - 122900
Published: May 16, 2024
To
optimize
the
Laser-Induced
Graphene
(LIG)
Janus
membrane,
this
study
investigates
effects
of
membrane
pore
structure,
polydimethylsiloxane
(PDMS)
coating
sequence
and
addition
silver
(Ag)
nanoparticles
towards
its
performance
in
distillation
(MD).
This
also
aims
to
enhance
photothermal
characteristics
graphene
while
using
electrical
conductivity
for
simultaneous
photo-
electrothermal
MD.
Operating
at
same
electro-thermal
power
input,
LIG
made
by
treating
face
with
smaller
pores
(shiny
side)
gave
an
improved
flux
up
53.6%
a
decrease
specific
energy
35.4%
compared
that
larger
(dull
side).
The
effect
PDMS
depends
on
structure.
For
structures,
before
laser
irradiation
(PDMS-BLSS)
improvement
24.5%
19.7%,
after
(PDMS-ALSS).
As
(PDMS-BLDS)
resulted
reduction
20.8%
increase
27.1%,
(PDMS-ALDS).
membranes
embedded
Ag
led
heating
properties,
improving
43.1–65.8%
decreasing
15.2–30.5%
maintaining
similar
properties.
Carrying
out
MD
indicates
only
Ag-doped
synergistic
whereby
combined
mode
was
higher
than
summation
fluxes
obtained
when
operating
individual
modes.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(47), P. 65194 - 65210
Published: Nov. 14, 2024
This
study
investigates
the
synthesis
and
characterization
of
Schiff
base
network-1
(SNW-1)
covalent
organic
framework
(COF)
nanomaterials
their
application
in
fabrication
thin-film
nanocomposite
(TFN)
membranes.
The
embedding
SNW-1
COF
reverse
osmosis
(RO)
membranes
with
a
polysulfone
(PSf)
substrate
was
done
using
interfacial
polymerization
method.
result
demonstrated
that
porous
hydrophilic
structure
increased
properties
produced
RO
When
embedded
concentration
0.02
wt
%,
hydrophilicity
membrane
higher
than
other
membranes,
contact
angle
value
45.2°.
Pure
water
flux,
saline
solution
humic
acid
(HA)/sodium
chloride
(NaCl)
foulant
flux
were
measured
to
determine
performance,
it
found
as
ratio
increased,
fluxes
up
certain
rate.
0.005
%
had
highest
values
pure
high
salt
rejection
(34.2
32.2
LMH,
97.1%,
respectively)
most
resistant
against
fouling.
presents
potential
precise
design
capabilities
controlled
unique
an
additive
for
desalination
applications.
Membranes,
Journal Year:
2023,
Volume and Issue:
13(5), P. 498 - 498
Published: May 8, 2023
Finned
tubular
air
gap
membrane
distillation
is
a
new
method,
and
its
functional
performance,
characterization
parameters,
finned
tube
structures,
other
studies
have
clear
academic
practical
application
value.
Therefore,
the
experiment
modules
composed
of
PTFE
tubes
were
constructed
in
this
work,
three
representative
including
tapered
tube,
flat
expanded
designed.
Membrane
experiments
carried
out
form
water
cooling
cooling,
influences
temperature,
concentration,
flow
rate
on
transmembrane
flux
analyzed.
The
good
water-treatment
ability
model
applicability
for
structure
verified.
test
results
show
that
with
structure,
has
best
performance.
maximum
could
reach
16.3
kg/m2/h.
Strengthening
convection
heat
transfer
between
fin
increase
improve
efficiency
coefficient.
coefficient
(σ)
0.19
under
condition
cooling.
Compared
conventional
configuration,
configuration
an
effective
way
to
simplify
system
design
offers
potential
applications
industrial
scale.
