Renewable energy powered membrane technology: Electro-hydraulic control system design for managing pump shutdowns in a photovoltaic-membrane water desalination system
Desalination,
Journal Year:
2025,
Volume and Issue:
unknown, P. 118784 - 118784
Published: March 1, 2025
Language: Английский
Simulation of a Tidal Current-Powered Freshwater and Energy Supply System for Sustainable Island Development
Yajing Gu,
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He Ren,
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Hongwei Liu
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et al.
Sustainability,
Journal Year:
2024,
Volume and Issue:
16(20), P. 8792 - 8792
Published: Oct. 11, 2024
Sustainable
development
of
islands
cannot
be
achieved
without
the
use
renewable
energy
to
address
and
freshwater
supply
issues.
Utilizing
widely
distributed
tidal
current
in
island
regions
can
enhance
local
water
security.
To
achieve
economic
operational
efficiency,
it
is
crucial
fully
account
for
unique
periodicity
intermittency
energy.
In
this
study,
a
current-powered
system
proposed.
The
marine
turbine
adopts
direct-drive
configuration
will
able
directly
transfer
power
rotation
seawater
pump
improve
efficiency.
Additionally,
incorporates
batteries
short-term
storage,
aimed
at
increasing
capacity
factor
electrolyzer.
A
simulation
conducted
using
measured
inflow
velocity
data
from
full
12
h
cycle.
results
show
that
turbine’s
average
coefficient
reaches
0.434,
electrolyzer’s
efficiency
60.9%,
70.1%,
desalination
system’s
specific
consumption
6.175
kWh/m3.
feasibility
design
has
been
validated.
Language: Английский
Experimental investigation of the effect of intermittent operation on membranes in wind-powered SWRO plants, focusing on frequent start-stop scenarios
Energy Conversion and Management X,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100848 - 100848
Published: Dec. 1, 2024
Language: Английский
Calcium-organic matter fouling in nanofiltration: Synchrotron-based X-ray fluorescence and absorption near-edge structure spectroscopy for speciation
Tyler A Malkoske,
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Yang‐Hui Cai,
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Sharon Bone
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et al.
Water Research,
Journal Year:
2024,
Volume and Issue:
272, P. 122938 - 122938
Published: Dec. 9, 2024
Calcium
(Ca)-enhanced
organic
matter
(OM)
fouling
of
nanofiltration
(NF)
membranes
leads
to
reduced
flux
during
desalination
and
requires
frequent
cleaning.
Fouling
mechanisms
are
not
fully
understood,
which
limits
the
development
targeted
control
methods.
This
study
employed
synchrotron-based
X-ray
fluorescence
(XRF)
absorption
near-edge
structure
(XANES)
spectroscopy
quantify
spatial
distribution
mass
Ca
deposition
as
well
changes
in
coordination
environment
characteristic
specific
mechanisms,
respectively.
Bench-scale
filtration
experiments
were
performed
using
feed
solutions
containing
ten
different
types
(OM),
common
scalants,
calcium
carbonate
(CaCO
Language: Английский