Polish Journal of Chemical Technology,
Journal Year:
2024,
Volume and Issue:
26(4), P. 56 - 63
Published: Dec. 1, 2024
Abstract
In
this
study,
graphite
and
copper
from
spent
LIBs
were
used
to
prepare
supported
zero-valent
iron-copper
(ZVI-Cu/G)
by
ball
milling,
improve
the
reactivity
of
ZVI.
The
structure,
composition,
morphology,
properties
ZVI-Cu/G
fully
analyzed.
removal
performances
tetracycline
tested
under
different
reaction
conditions.
Graphite
dispersion,
specific
surface
area
material.
Operational
factors,
material
dosage
1
g/L,
initial
pH
3,
temperature
25
°C,
H
2
O
concentration
mM,
contribute
best
rate,
being
100%
in
30
min
for
mg/L
solution.
data
fits
a
pseudo
first-order
model.
Tetracycline
rate
was
as
high
90%
even
3rd
round
reuse.
This
study
reports
novel
ZVI
with
rate.
ACS ES&T Water,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 2, 2024
3D
printed
alloy
catalysts
have
garnered
significant
attention
in
water
purification
due
to
their
high
efficiency,
adaptable
structure,
and
easy
recovery.
Here,
a
straightforward
cost-effective
three-dimensional
(3D)
printing
strategy
is
adopted
synthesize
copper–titanium
(Cu–Ti)
for
ciprofloxacin
(CIP)
degradation
through
peroxymonosulfate
(PMS)
activation.
The
resulting
Cu–Ti
alloy,
characterized
by
hierarchical
porous
exhibits
the
highest
removal
efficiency
of
90.55%
CIP
degradation,
surpassing
that
commercial
Cu
Ti
powders
under
similar
conditions.
Capture
experiments
electron
paramagnetic
resonance
measurements
reveal
involvement
•OH,
1O2,
SO4•–,
O2•–
CIP,
with
•OH
1O2
playing
dominant
roles.
presence
not
only
promotes
Cu(I)/Cu(0)
Cu(II)/Cu(I)
cycling
but
also
facilitates
activation
dissolved
oxygen
water,
thereby
reducing
its
reaction
PMS
preventing
corrosion,
ultimately
rendering
3D–Cu-Ti/PMS
excellent
catalytic
activity
reusability.
Additionally,
bean
sprout
growth
indicate
remarkable
reduction
toxicity
products.
utilization
technology
construction
offers
promising
