Chemical Engineering Journal,
Journal Year:
2021,
Volume and Issue:
433, P. 133547 - 133547
Published: Nov. 11, 2021
Process
intensification
based
on
innovative
coupling
between
membrane
microfiltration
and
catalytic
oxidation
technologies
has
become
a
promising
strategy
for
water
treatment.
Here,
surface-nucleated
metal–organic
framework
(MOF)
was
grown
in
situ
to
obtain
an
NH2-MIL-88B(Fe)-functionalized
ceramic
(NH2-MIL-88B(Fe)@CM),
whose
ability
remove
naproxen
from
matrices
via
the
so-called
electro-Fenton
with
(EFCCM)
process
systematically
investigated.
The
physicochemical
properties
of
NH2-MIL-88B(Fe)
membranes
were
characterized
by
XRD,
FTIR,
XPS
SEM,
revealing
formation
well-defined
layer
porous
CM
thickness
around
13.5
µm,
which
provides
large
amount
active
sites
H2O2
activation
generate
hydroxyl
radical
(OH).
EFCCM
treatment
Na2SO4
solution
under
recirculation
batch
mode
yielded
almost
complete
drug
removal
90
min
at
50
mA,
whereas
stability
catalyst
loss
tests
gave
evidence
good
reusability
5
cycles.
urban
wastewater
confronted
severe
fouling,
but
this
effectively
mitigated
combining
hot
backwash
EF
self-cleaning.
Finally,
degradation
routes
involving
7
byproducts
are
proposed.
This
is
effective
approach
fabrication
CCM,
could
be
used
continuous
as
suggested
minimal
NPX
content
outlet.
Chemical Reviews,
Journal Year:
2021,
Volume and Issue:
122(3), P. 2981 - 3121
Published: Dec. 7, 2021
Presently,
conventional
technologies
in
water
treatment
are
not
efficient
enough
to
completely
mineralize
refractory
contaminants.
In
this
context,
the
implementation
of
catalytic
processes
could
be
an
alternative.
Despite
advantages
provided
terms
kinetics
transformation,
selectivity,
and
energy
saving,
numerous
attempts
have
yet
led
at
industrial
scale.
This
review
examines
investigations
different
scales
for
which
controversies
limitations
must
solved
bridge
gap
between
fundamentals
practical
developments.
Particular
attention
has
been
paid
development
solar-driven
some
other
emerging
processes,
such
as
microwave
assisted
catalysis,
plasma-catalytic
or
biocatalytic
remediation,
taking
into
account
their
specific
drawbacks.
Challenges
a
better
understanding
related
complexity
systems
coexistence
various
solid-liquid-gas
interfaces
identified.
Journal of Hazardous Materials,
Journal Year:
2022,
Volume and Issue:
442, P. 130127 - 130127
Published: Oct. 7, 2022
The
presence
of
persistent
organic
pollutants
(POPs)
in
the
aquatic
environment
is
causing
widespread
concern
due
to
their
bioaccumulation,
toxicity,
and
possible
environmental
risk.
These
contaminants
are
produced
daily
large
quantities
released
into
water
bodies.
Traditional
wastewater
treatment
plants
ineffective
at
degrading
these
pollutants.
As
a
result,
development
long-term
effective
POP
removal
techniques
critical.
In
water,
adsorption
photocatalytic
degradation
POPs
have
been
identified
as
energy
cost-efficient
solutions.
Both
technologies
received
lot
attention
for
efforts
treat
world's
wastewater.
Photocatalytic
promising,
effective,
long-lasting
method,
while
represents
simple,
practical
particularly
decentralized
systems
isolated
areas.
It
critical
develop
new
adsorbents/photocatalysts
with
desired
structure,
tunable
chemistry,
maximum
sites
highly
efficient
POPs.
class
recently
created
multifunctional
porous
materials,
Metal-organic
frameworks
(MOFs)
offer
tremendous
prospects
adsorptive
remediation.
This
review
defines
discusses
current
research
on
using
emerging
MOFs
each
type
The Science of The Total Environment,
Journal Year:
2021,
Volume and Issue:
814, P. 152691 - 152691
Published: Dec. 30, 2021
During
the
COVID-19
pandemic,
high
consumption
of
antivirals,
antibiotics,
antiparasitics,
antiprotozoals,
and
glucocorticoids
used
in
treatment
this
virus
has
been
reported.
Conventional
systems
fail
to
efficiently
remove
these
contaminants
from
water,
becoming
an
emerging
concern
environmental
field.
Therefore,
objective
present
work
is
address
current
state
literature
on
presence
removal
processes
drugs
water
bodies.
It
was
found
that
concentration
most
increased
during
pandemic
Before
Azithromycin
concentrations
surface
waters
were
reported
be
order
4.3
ng
L
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(29)
Published: July 10, 2023
Single-atom
catalysts
(SACs)
are
a
promising
area
in
environmental
catalysis.
We
report
on
bimetallic
Co–Mo
SAC
that
shows
excellent
performance
activating
peroxymonosulfate
(PMS)
for
sustainable
degradation
of
organic
pollutants
with
high
ionization
potential
(IP
>
8.5
eV).
Density
Functional
Theory
(DFT)
calculations
and
experimental
tests
demonstrate
the
Mo
sites
–
Co
SACs
play
critical
role
conducting
electrons
from
to
sites,
leading
19.4-fold
increase
rate
phenol
compared
CoCl
2
PMS
group.
The
exhibit
catalytic
even
under
extreme
conditions
show
long-term
activation
10-d
experiments,
efficiently
degrading
600
mg/L
phenol.
Moreover,
catalyst
has
negligible
toxicity
toward
MDA-MB-231,
Hela,
MCF-7
cells,
making
it
an
environmentally
friendly
option
water
treatment.
Our
findings
have
important
implications
design
efficient
remediation
other
applications
biology
medicine.