International Journal of Thermofluids,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100560 - 100560
Published: Jan. 1, 2024
The
objective
of
this
study
was
to
assess
the
performance
a
Humidifier-Dehumidifier
(HDH)
desalination
system
paired
with
thermoelectric
cooling,
in
order
achieve
effective
water
desalination.
employed
module's
heating
and
cooling
capabilities
warm
entering
HDH
remove
moisture
from
humid
air.
An
investigation
conducted
examine
impact
varying
sea
mass
flow
rate
(SWMFR)
air
(AMFR)
on
characteristics
system.
These
metrics
include
gain
output
ratio
(GOR),
coefficient
(COP),
fresh
generation,
dehumidifier
efficiency.
data
collected
clearly
demonstrated
that
significantly
influenced
by
WMFR
AMFR.
ideal
values
for
amount
produced,
COP,
GOR,
efficiency
were
determined
be
140
grams
per
hour,
0.93,
0.7
and,
52.5%,
respectively.
experimental
assessment
showcased
capability
integrated
as
highly
efficient
economically
viable
approach
desalination,
particularly
regions
limited
resources.
Desalination,
Journal Year:
2023,
Volume and Issue:
567, P. 116985 - 116985
Published: Sept. 14, 2023
In
recent
decades,
problems
related
to
fresh
water
has
become
a
very
important
issue
for
humans.
Small-scale
desalination
(SSD)
systems,
besides
large-scale
(LSD)
fulfil
an
role
in
meeting
freshwater
demand
by
eliminating
the
cost
of
transmission
and
have
advantage
treating
on-site.
this
study,
first
time,
comprehensive
review
previous
studies
been
carried
out
on
SSD
systems
(less
than
25
m3/d
production).
These
are
powered
using
renewable,
non-renewable
or
hybrid
sources
energy,
incorporating
different
treatment
technologies
such
as:
reverse
osmosis
(RO);
electro
dialysis
(ED);
capacitive
deionization
(CDI);
membrane
(MD);
humidification–dehumidification
processes
(HDH);
multi-effect
(MED);
technologies,
including
combination
RO-UF,
RO-ED
RO-MED.
The
advantages
drawbacks
that
operate
fossil
fuels
renewable
energy
(RE)
studied,
considering
membrane,
evaporation
salinity
features.
Among
these,
solar-based
most
popular.
Accordingly,
numerous
RO,
ED,
MD,
HDH
MED
solar-SSD
compared
terms
their
productivity,
consumption
produced
water.
Attention
also
paid
via
wind,
geothermal,
tidal
energies.
It
determined
RO
system
holds
largest
market
share
both
(25
%)
(40
systems.
addition,
comparison
low-cost
LSD
shows
economically
competitive
with
outlook
future
use
is
likely
decrease,
except
areas
where
costs
low.
increase,
solely
wind
geothermal
will
be
replaced
Nano Letters,
Journal Year:
2023,
Volume and Issue:
23(3), P. 1044 - 1051
Published: Jan. 19, 2023
Electrospun
fibers
have
received
wide
attention
in
various
fields
ranging
from
the
environment
and
healthcare
to
energy.
However,
nearly
all
electrospun
suffer
a
pseudonanoscale
diameter,
resulting
fabricated
membranes
with
large
pore
size
limited
separation
performance.
Herein,
we
report
novel
strategy
based
on
manipulating
equilibrium
of
stretch
deformation
phase
jets
develop
true-nanoscale
for
effective
selective
separation.
The
obtained
present
diameters
(∼67
nm),
1
order
magnitude
less
than
those
common
fibers,
which
endows
resultant
remarkable
nanostructural
characteristics
performances
areas
protective
textiles
(waterproofness
113
kPa
breathability
4.1
kg
m-2
d-1),
air
filtration
(efficiency
99.3%
pressure
drop
127.4
Pa),
water
purification
(flux
81.5
h-1
salt
rejection
99.94%).
This
work
may
shed
light
developing
high-performance
materials
applications.
Desalination,
Journal Year:
2024,
Volume and Issue:
583, P. 117694 - 117694
Published: April 29, 2024
Various
hybrid
desalination
systems
have
been
proposed
during
the
last
two
decades
to
improve
produced
water
quality,
energy
efficiency,
production
rate
and
sustainability
among
others,
receiving
therefore
a
rapid
industrial
implementation.
Desalination
processes
are
intensive
this
is
mostly
provided
by
fossil
fuels,
especially
for
large
scale
commercial
plants.
No
doubt,
use
of
renewable
(RE)
sources
way
forward
decrease
environmental
related
health
impact
produce
supply
freshwater
in
remote
regions
with
severe
shortage
an
unfavourable
or
unfeasible
connection
public
electrical
grid.
However,
most
installed
plants
small
capacities,
yet
facing
several
issues
long
term
operation.
Therefore,
study
restricts
fuel
based
source
provides
thorough
analysis
summarising
design,
operation,
performance,
techno-economic
associated
challenges
seawater
on
experimental/real
plant
simulation
studies
reported
since
2000.
It
includes
mature
membrane-based
thermal-based
technologies,
namely
Reverse
Osmosis
(RO),
multistage
flash
(MSF),
multi-effect
distillation
(MED),
number
emerging
membrane-thermal
technologies.
Future
opportunities
systems,
including
RO/MSF
RO/MED
also
highlighted.
Advanced Engineering Materials,
Journal Year:
2022,
Volume and Issue:
25(4)
Published: Dec. 9, 2022
Temperature‐sensitive
(thermosensitive)
hydrogels,
which
are
part
of
the
family
stimulus‐sensitive
consist
water‐filled
polymer
networks
that
display
a
temperature‐dependent
degree
swelling.
Thermosensitive
can
undergo
phase
transition
or
swell/de‐swell
as
temperature
changes,
have
great
potential
in
various
technological
and
biomedical
purposes
for
number
reasons:
their
response
is
reversible,
hydrogels
stable
easy
to
prepare,
they
be
biocompatible
also
suitably
combined
with
other
organic
inorganic
materials,
resulting
new
materials
outstanding
properties.
Among
thermosensitive
poly(
N
‐isopropylacrylamide)
(PNIPAAm)
most
extensively
studied
because
it
brings
together
best
properties
these
materials.
Consequently,
past
few
years,
wide
applications
chemical
processes
prepare
PNIPAAm
derivatives
being
proposed.
The
objective
this
review
summarize
fundamentals
recent
advances
preparation
both
hydrogel,
special
focus
on
derivatives.
Special
attention
has
been
given
discussion
challenges
future
research
perspectives
based
horizons
not
yet
considered.