Efficient and Recyclable Sodium Carboxymethyl Cellulose Photothermal Sponge for Evaporation Desalination
Fengxia An,
No information about this author
Guangyan Wang,
No information about this author
Shuyun Wang
No information about this author
et al.
Published: Jan. 1, 2025
Reverse
osmosis
is
a
widely
employed
technology
for
the
desalination
of
highly
mineralized
mine
water.
However,
achieving
zero
liquid
discharge
(ZLD)
through
subsequent
evaporation
and
crystallization
resultant
concentrated
brine
incurs
significant
costs
energy
consumption.
Solar
interfacial
water
presents
promising
alternative
generating
fresh
from
both
seawater
wastewater.
Nevertheless,
under
high-salinity
conditions,
formation
salt
crystals
on
surface
evaporators
hinders
light
absorption,
thus
diminishing
efficiency.
This
study
introduces
three-dimensional
(3D)
columnar
sponge
evaporator
synthesized
by
crosslinking
sodium
carboxymethylcellulose
(CMC)
with
polyacrylic
acid
(PAA)
incorporating
coal-based
carbon
(MC)
materials
to
develop
photothermal
sponges
(CMC10/x-MC)
treatment
saline
The
polymer
was
formed
an
esterification
reaction
between
PAA
CMC
high-temperature
pore
size
tailored
adjusting
dosage.
engineered
3D
porous
structure
facilitated
enhanced
scattering
within
its
pores,
thereby
boosting
absorption
conversion
efficiency
incorporated
carbon.
CMC10/x-MC-based
achieved
rate
up
3.72
kg·m-2·h-1
in
brines,
demonstrating
superior
performance.
Collectively,
based
CMC10/x-MC
solar-driven
solution
wastewater
offers
viable
pathway
addressing
challenges
associated
ZLD
processes.
Language: Английский
Efficient and recyclable sodium carboxymethyl cellulose photothermal sponge for evaporation desalination
Fengxia An,
No information about this author
Chenyi Yang,
No information about this author
Zikang Tang
No information about this author
et al.
Separation and Purification Technology,
Journal Year:
2025,
Volume and Issue:
unknown, P. 133122 - 133122
Published: April 1, 2025
Language: Английский
Time-dependent chemical vapor deposition growth of three-dimensional graphene on carbon fiber fabric for efficient electricity harvesting from water evaporation
Applied Surface Science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 162963 - 162963
Published: March 1, 2025
Language: Английский
Conducting Polymers and Thermosensitive Hydrogels for Green Electricity Generation
Solar RRL,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 17, 2024
Sustainable
strategies
to
generate
electricity
using
natural
resources,
such
as
sunlight
(photovoltaic
cells)
and
wind
(wind
towers),
have
driven
a
significant
change
in
our
homes
terms
of
consumption.
Herein,
new
alternative
for
green
supply
solar‐driven
evaporators
devices
fabricated
with
hydrogels
is
described.
The
photothermal
production
promoted
by
alginate‐poly(
N
‐isopropylacrylamide)
(ALG‐PNIPAAm)
bio‐hydrogel,
modified
acid‐doped
conducting
polymer
(CP),
thermal
absorber
component,
minimize
energy
losses.
Direct
current
voltage
monitoring
are
used
during
the
solar
irradiation
experiments
evaluate
power
density
hydrogel
generator,
whereas
electrochemical
impedance
spectroscopy
employed
approach
diffusion
processes.
Impedance
measurements
elucidate
ion
dynamics
within
hydrogel,
directly
correlating
this
behavior
enhanced
generation.
Therefore,
highest
(64.4
μW·cm
−2
)
stability
(32–33
μA),
over
time,
obtained
ALG‐PNIPAAm‐PEDOT‐PSS
demonstrating
that
hydrophilic
groups
(OH,
SO
3
H),
present
CP
backbone,
promote
capillary
flow
electrolyte
irradiation.
doped
molecules
facilitate
fast
transport
thanks
good
balance
between
material
hydrophilicity
interconnected
pores.
Language: Английский