Environmental Science Nano,
Journal Year:
2024,
Volume and Issue:
11(9), P. 3887 - 3899
Published: Jan. 1, 2024
A
tailored
engineering
approach
assisted
by
recyclable
deep
eutectic
solvent
fractionation
was
presented
for
the
dual
valorization
of
waste
lignocellulose.
Small,
Journal Year:
2024,
Volume and Issue:
20(42)
Published: July 5, 2024
As
a
novel
type
of
catalytic
material,
hollow
nanoreactors
are
expected
to
bring
new
development
opportunities
in
the
field
persulfate-based
advanced
oxidation
processes
due
their
peculiar
void-confinement,
spatial
compartmentation,
and
size-sieving
effects.
For
such
materials,
however,
further
clarification
on
basic
concepts
construction
strategies,
as
well
discussion
inherent
correlation
between
structure
activity
still
required.
In
this
context,
review
aims
provide
state-of-the-art
overview
for
activating
persulfate.
Initially,
classified
according
constituent
components
shell
dimensionality.
Subsequently,
different
strategies
described
detail,
while
common
synthesis
methods
these
outlined.
Furthermore,
most
representative
advantages
summarized,
intrinsic
connections
nanoreactor
elucidated.
Finally,
challenges
future
prospects
presented.
ACS ES&T Engineering,
Journal Year:
2024,
Volume and Issue:
4(10), P. 2460 - 2473
Published: Aug. 13, 2024
Constructing
a
membrane-confined
peroxymonosulfate
(PMS)
activation
system
has
emerged
as
promising
strategy
for
efficient
water
decontamination.
Herein,
novel
cobalt
ferrite
(CoFe2O4)-filled
open-end
carbon
nanotube
(OCNT)
membrane
filtration
was
proposed,
aiming
to
integrate
dual
metal
centers
and
nanoconfinement
enhancing
PMS
(MFPA)
toward
The
optimal
CoFe2O4@OCNT
MFPA
process
displayed
100%
phenol
removal
within
residence
time
of
5.7
s,
whose
k
(1.17
s–1)
3.0,
5.6,
3.9
times
higher
than
that
CoO@OCNT,
FeO@OCNT,
CoFe2O4/CCNT
(surface-loaded
closed
end
cap
CNT),
respectively.
Experimental
results
theoretical
calculations
jointly
unravel
the
nonradical-dominated
(1O2
electron
transfer)
oxidation
mechanism,
leading
wide-pH
adaptation
superior
stability
in
complex
matrix.
Mechanism
analysis
showed
fast
cycling
Co2+/Co3+
achieved
via
synergistic
promotion
between
effect,
which
coboosted
consumption
well
reactive
oxygen
species
generation
(especially
1O2).
Compared
with
single
center,
internal
CoFe2O4
exhibited
coenhanced
cloud
density
(amount
charge
adsorption
energy
PMS,
resulting
O–O
cleavage
elongated
O–H.
Meanwhile,
vacancy
defect
(Odef)
on
also
contributed
nonradical
process,
not
only
served
precursor
1O2
but
acted
transfer
station
electrons.