Applied Organometallic Chemistry,
Journal Year:
2019,
Volume and Issue:
34(3)
Published: Dec. 25, 2019
Molecules
that
contain
polyhydroquinoline
structural
scaffolds
are
N‐containing
heterocycles
which
of
great
interest
to
organic
chemists
and
biologists.
Polyhydroquinoline
known
as
calcium
channel
blockers
have
emerged
one
the
most
important
class
drugs
used
for
treatment
cardiovascular
Alzheimer's
diseases.
Besides,
recovery
reusability
catalysts
issues
be
discussed
in
modern
catalysis
research
especially
synthesis.
The
concept
magnetically
recoverable
has
been
rapidly
developed
recent
times.
Magnetic
separation
is
an
efficient
strategy
rapid
from
reaction
medium.
Also,
alternative
time‐,
solvent‐,
energy‐consuming
techniques.
In
this
review,
we
focused
on
fabrication,
surface‐modification
characterization
nanomagnetic
materials
their
application,
catalysts,
synthesis
scaffolds.
Environmental Science & Technology,
Journal Year:
2019,
Volume and Issue:
54(2), P. 1232 - 1241
Published: Dec. 16, 2019
A
nonradical
oxidation
process
via
metal-free
peroxymonosulfate
(PMS)
activation
has
recently
attracted
considerable
attention
for
organic
pollutant
degradation;
however,
the
origin
of
singlet
oxygen
(1O2)
generation
still
remains
controversial.
In
this
study,
nitrogen-doped
carbon
nanosheets
(NCN-900)
derived
from
graphitic
nitride
were
developed
PMS
and
elucidation
1O2
production.
With
a
large
specific
surface
area
(1218.7
m2
g–1)
high
nitrogen
content
(14.5
at
%),
NCN-900
exhibits
superior
catalytic
activity
in
activation,
as
evidenced
by
complete
degradation
bisphenol
within
2
min
using
0.1
g
L–1
mM
PMS.
Moreover,
reaction
rate
constant
fitted
pseudo-first-order
kinetics
reaches
an
impressive
value
3.1
min–1.
Electron
paramagnetic
resonance
measurements
quenching
tests
verified
primary
reactive
species
NCN-900/PMS
system.
Based
on
X-ray
photoelectron
spectroscopy
analysis
theoretical
calculations,
unexpected
pathway
involving
over
electron-deficient
atoms
neighboring
N
was
unraveled.
Besides,
system
is
also
applicable
remediation
actual
industrial
wastewater.
This
work
highlights
important
role
furnishes
support
further
relevant
studies.
ACS Catalysis,
Journal Year:
2021,
Volume and Issue:
11(17), P. 11129 - 11159
Published: Aug. 23, 2021
Advanced
oxidation
processes
(AOPs)
based
on
persulfates
such
as
peroxymonosulfate
and
peroxydisulfate
via
heterogeneous
catalysts
have
been
a
research
hotspot
due
to
their
outstanding
performances
in
removing
emerging
organic
contaminants
(OCs).
In
this
Review,
we
highlight
the
recent
advances
theoretical
simulations
for
persulfate-based
AOPs
(PS-AOPs)
using
density
functional
theory
(DFT),
with
emphasis
catalyst
properties
mechanism
of
persulfate
activation
over
variety
(including
nanocarbons,
metals,
metal
oxides).
Moreover,
OCs
degradation
by
diverse
reactive
oxygen
species
investigated
computations
are
also
summarized.
The
descriptors
computational
studies
related
structure–performance
relationships
discussed.
Finally,
challenges
future
focuses
DFT
PS-AOPs
proposed,
including
evaluation
properties,
elucidation
mechanism,
especially
nonradical
pathway,
rational
design
on-demand
catalysts.
Water,
Journal Year:
2018,
Volume and Issue:
10(12), P. 1828 - 1828
Published: Dec. 11, 2018
High
oxidation
potential
as
well
other
advantages
over
tertiary
wastewater
treatments
have
led
in
recent
years
to
a
focus
on
the
development
of
advanced
processes
based
sulfate
radicals
(SR-AOPs).
These
can
be
generated
from
peroxymonosulfate
(PMS)
and
persulfate
(PS)
through
various
activation
methods
such
catalytic,
radiation
or
thermal
activation.
This
review
manuscript
aims
provide
state-of-the-art
overview
different
for
PS
PMS
activaton,
applications
this
technology
field
water
treatment.
Although
its
most
widespread
application
is
elimination
micropollutants,
use
disinfection
gaining
increasing
interest.
In
addition,
possibility
combining
with
ultrafiltration
membranes
improve
quality
lifespan
has
also
been
discussed.
Finally,
brief
economic
analysis
undertaken
attempts
made
implement
it
at
full-scale
summarized.
As
result,
tries
useful
all
those
people
working
that
area.
Environment International,
Journal Year:
2019,
Volume and Issue:
133, P. 105141 - 105141
Published: Sept. 11, 2019
Sulfate
radical-based
advanced
oxidation
processes
(AOPs)
have
drawn
increasing
attention
during
the
past
two
decades,
and
Mn-based
materials
been
proven
to
be
effective
catalysts
for
activating
peroxymonosulfate
(PMS)
peroxydisulfate
(PDS)
degrade
many
contaminants.
This
article
presents
a
comprehensive
review
of
various
activate
PMS
PDS.
The
activation
mechanisms
different
(i.e.,
Mn
oxides
MnOx,
MnOx
hybrids,
MnOx‑carbonaceous
material
composites)
were
first
summarized
discussed
in
detail.
Besides
commonly
reported
free
radicals
(SO4-•
•OH),
non-radical
such
as
singlet
oxygen
direct
electron
transfer
also
discovered
selected
materials.
effects
pH,
inorganic
ions,
natural
organic
matter
(NOM),
dissolved
content,
temperature,
crystallinity
on
catalytic
reactivity
discussed.
Then,
important
instrumentations
technologies
employed
characterize
understand
reaction
concisely
summarized.
Three
common
overlooks
experimental
designs
examining
PMS/PDS-MnOx
systems
Finally,
future
research
directions
suggested
further
improve
technology
provide
guidance
develop
cost-effective
PMS/PDS.
