Forward
osmosis
(FO)
is
a
promising
desalination
technology
to
address
global
freshwater
demand.
However,
drawback
the
use
of
draw
solvent
that
can
be
regenerated
enable
continuous
process.
Recently,
thermally
responsive
ionic
liquids
(ILs)
have
been
demonstrated
exhibit
high
osmotic
pressures
and
liquid-liquid
phase
separation
with
water
upon
heating.
This
behavior
enables
utilization
low-cost
heat
from
solar
energy,
which
abundant
in
regions
face
scarcity.
In
this
work,
we
develop
system
design
for
solar-thermal
FO
simulate
its
performance
using
location-specific
data,
integrated
thermal
energy
storage
minimize
intermittency.
A
technoeconomic
optimization
analysis
also
performed
determine
optimal
sizing
minimizes
levelized
cost
(LCOW)
at
distributed
scale
10
m3/day.
To
evaluate
feasibility,
case
studies
are
presented
different
locations
within
United
States:
Phoenix,
AZ;
San
Diego,
CA;
Atlanta,
GA.
Notably,
over
96%
required
regeneration
comes
and/or
storage,
auxiliary
heating
electricity
The
reveals
positive
outlook
small-scale
desalination,
approaching
$1/m3
by
lowering
costs
collector
module.
Results in Engineering,
Journal Year:
2023,
Volume and Issue:
20, P. 101626 - 101626
Published: Nov. 26, 2023
Water-desalination
process
using
renewable
energy
sources
have
become
more
and
popular
as
they
can
produce
drinking
water
without
negative
effect
to
the
environment.
The
present
study
examines
condensation
dome
of
a
vacuum-based
desalination
plant
transient
3D
finite
volume
method.
whole
system
is
under
semi-vacuum
condition
(to
reduce
boiling
temperature
saltwater)
vapor
condensed
in
mentioned
dome.
objective
current
research
evaluate
performance
proposed
patent-based
various
novel
possible
geometric
operational
conditions
which
not
been
investigated
before.
First,
four
different
scenarios
fins
are
examined
for
given
time
step.
Then
best
selected
fin
arrangement
simulated
wide
range
ambient
air
same
Finally,
steps
between
1
60
s.
results
revealed
that,
adding
only
external
fins,
then
considering
both
internal
boost
rate
around
24
%
62
respectively
compared
that
base
any
fin.
Besides,
when
direction,
5
higher
than
case
3
located
every
pair
fins.
However,
less
sensitive
configuration
becomes
warmer.
Furthermore,
level
heat
transfer
coefficient
(higher
wind
speed)
boosts
well.
general
outcome
tested
size
promising
with
2000
gr
after
60s
conditions.
International Journal of Low-Carbon Technologies,
Journal Year:
2024,
Volume and Issue:
19, P. 1380 - 1390
Published: Jan. 1, 2024
Abstract
Due
to
the
critical
water
situation
in
world
and
need
for
freshwater,
use
of
desalination
systems
is
very
common.
One
main
problems
using
such
devices
production
a
high-concentration
brine
stream,
which
causes
environmental
problems.
Therefore,
that
reduce
level
salt
zero
(zero
liquid
discharge
[ZLD])
felt
more
than
ever.
The
biggest
challenge
widespread
implementation
thermal
ZLD
its
high
energy
consumption
and,
as
result,
cost.
we
seek
find
effective
parameters
heat
transfer
surface
make
it
economic.
In
this
research,
possible
mention
inlet
outlet
salinity,
Overall
coefficients,
evaporator
temperature
cooling
among
investigated
crystallizer
include
operating
steam
exchanger.
results
showed
most
optimal
state
(the
lowest
total
consumption)
system
overall
coefficient
equal
4
kW/m2
°C.
2258.78
m2
2111.5
kW.
International Journal of Ambient Energy,
Journal Year:
2023,
Volume and Issue:
44(1), P. 2047 - 2061
Published: June 9, 2023
The
primary
aim
of
this
study
was
to
develop
a
novel
approach
for
obtaining
drinking
water
in
arid
regions
that
are
severely
affected
by
droughts,
utilising
brackish
sourced
from
pre-existing
wells.
A
prototype
active
solar
desalination
unit
constructed,
Ferro-cement
and
masonry
collector
desalinate
water.
composed
flat
collector,
which
served
preheat
water,
an
evaporation
condensation
chamber,
facilitated
the
boiling
process.
Upon
conducting
several
tests,
it
observed
produced
average
3.3
litres
desalinated
per
square
metre
on
daily
basis.
utilisation
energy
both
heating
purposes
proved
be
highly
advantageous
individuals
who
faced
limited
access
Furthermore,
alternative
materials
employed
demonstrated
efficiency
processes.
scope
focused
developing
unit,
aimed
using
subsequently
perform
through
chamber.
outcomes
investigation
resulted
significant
benefits
communities
confronted
with
restricted
potable
Zero
liquid
discharge
(ZLD)
is
a
treatment
process
to
address
challenges
with
brine
disposal
from
desalination
plants.
To
achieve
ZLD,
concentrator
used
extract
water
until
high
salinity
approaching
saturation
reached.
However,
state-of-the-art
concentrators
are
energy-intensive
thermal
evaporators
comprising
expensive
metal
alloys
and
complex
maintenance.
This
study
presents
the
design
of
new
referred
as
air
gap
diffusion
distillation
(AGDD)
that
operates
without
membrane
up
salinity.
A
holistic
analytical
framework
developed
evaluate
system
performance
function
its
energy
efficiency
(gained
output
ratio,
GOR)
flux
(recovery
RR),
these
metrics
directly
impact
levelized
cost
(LCOW)
produced.
Specifically,
multi-pass
AGDD
achieves
an
overall
recovery
~70%
GOR
7
(88%
latent
heat
recovery)
for
feed
70
g/kg.
comparison
made
thermodynamically
similar
counterpart,
(AGMD),
which
reveals
outperforms
AGMD
owing
reduction
in
mass
transport
resistances
associated
membrane.
The
corresponding
LCOW
1.6×
lower
than
AGMD,
making
it
promising
salinities
>200
