Clean Technologies and Environmental Policy,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 29, 2024
Abstract
Adsorption
using
covalent
organic
frameworks
(COFs)
is
very
effective
and
favoured
for
removing
per-
polyfluoroalkyl
substances
(PFAS)
from
various
matrices.
The
prominent
classes
of
COF,
their
synthesis
methods,
application
in
COF-based
technologies
PFAS
adsorption
myriad
environments
are
discussed.
Furthermore,
the
influencing
characteristics
distinct
COF
also
examined.
COFs
have
large
specific
surface
areas
porosity,
offering
PFASs
a
host
sites
thus
high
capabilities.
β
-Cyclodextrin-based
(
-CD-COFs),
ionic
(iCOFs),
amine-functionalised
COFs,
porphyrin-based
hydrophobic
some
most
notable
examples
as
such
been
employed
large-scale
remediation.
Direct
post-synthetic
modification
two
main
design
methodologies.
general
approach
constructing
involves
reaction
ion
monomers
with
other
neutral
monomers.
For
solvothermal
currently
direct
synthetic
method.
process
used
to
synthesise
tremendously
impacts
how
effectively
they
adsorb
PFAS.
High-performance
materials
remediation
created
by
researchers
customising
suitable
techniques.
authors’
objective
give
readers
alike
broad
overview
current
status
research
development,
including
numerous
challenges
prospects
associated
COFs.
Graphical
abstract
Application
Cement
Stabilized
OB
dump,
BOF
slag,
Fly
Ash
Mixes
Sustainable
Pavement
Material
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(14)
Published: April 5, 2024
Abstract
The
use
of
efficacious
and
cost‐effective
pesticides
(OP
OC)
has
undoubtedly
proven
to
be
a
blessing
baron
because
these
are
safeguarding
the
world
from
food
insecurity.
Unfortunately,
their
presence
in
aquatic
bodies
brings
about
an
upsurge
water
pollution.
Amazingly,
photocatalytic
degradation
approach
utilizing
biogenic
nanoparticles
(BNPs)
is
trendy
state‐of‐the‐art
been
established
sustainable
methodology
for
complete
mineralization
contaminants
into
harmless
molecules.
Thus,
this
work
holistically
explores
BNPs
OP
OC.
Based
on
review,
it
was
found
that
least
amount
time
needed
less
than
5
minutes,
while
maximum
efficiency
>80
%.
dominant
radicals
participating
⋅OH
O
2
⋅
radical
dominance
enhanced
by
oxygenated
functional
groups
present
entities
employed
biosynthesis
BNPs.
data
fits
pseudo‐first‐order
Langmuir
isotherm
models
(R
>
0.9),
which
indicates
main
adsorption
mechanisms
involved
during
electron‐hole
pair
formation
physisorption
monolayer
at
surface
can
sustain
%
approximately
cycles
reusable
up
8
cycles.
It
also
revealed
plants
constitute
80
engaged
BNP
synthesis.
Ultimately,
offers
novel
avenues
future
research
hotspots
might
accelerate
agricultural
wastewater
management
practices.
ChemistrySelect,
Journal Year:
2024,
Volume and Issue:
9(15)
Published: April 17, 2024
Abstract
The
most
essential
task
in
the
twenty‐first
century
is
to
fight
alarming
growing
pollution
aquatic
body
which
effluent
of
one
colouring
dye
categories
called
maxilon
a
major
contributor.
This
review
thus
specifically
focuses
on
use
nanoparticles
(NPs)
for
photocatalytic
degradation
contaminants
water
bodies.
work
empirically
presented
performance
evaluation
NPs
degrading
dyes
under
light
irradiation
alongside
underlying
operational
mechanism.
stability
was
also
critically
analyzed
by
looking
at
regenerability
and
reusability
expended
NPs.
From
study,
it
discovered
that
⋅OH
O
2
⋅
played
vital
role
genesis
oxidizing
capacity
breakdown
dye.
Moreover,
found
greater
than
80
%
shortest
period
<
1
hour
with
pseudo‐first‐order
(PFO)
being
common
kinetic
best‐fit
describe
adsorption
process
occurred
shortly
before
during
operation.
At
end,
knowledge
gaps
were
identified
area
regenerability,
lifecycle
analyses
nano‐photocatalyst
fabrication
utilization,
cost
analysis
industrial
scale‐up,
ecotoxicological
pathways.
findings
this
study
can
open
up
insightful
innovation
readers
industries
are
interested
pursuing
zero
insecurity.
Journal of the Chinese Chemical Society,
Journal Year:
2024,
Volume and Issue:
71(9), P. 944 - 977
Published: July 2, 2024
Abstract
Introduction
Tribocatalysis,
an
emerging
cutting‐edge
technique
that
uses
frictional
mechanical
energy
to
activate
the
catalytic
operation
of
a
reaction
or
material
including
nanomaterials
has
garnered
interest
research
community
in
recent
times.
Aim
This
study
aimed
critically
review
original
works
directed
toward
tribocatalytic
degradation
various
hazardous
dye
pollutants.
Notably,
this
review,
and
their
composites
with
outstanding
tailored
profiles
are
explored
for
efficiency
In
addition,
effect
operating
factors
importance
engineers,
industries,
investors
optimization
purposes
was
pragmatically
discussed.
Also,
electron
trapping
radical
scavengers
alongside
mechanism
empirically
analyzed.
Results
From
work,
it
found
maximum
>80%
most
cases
at
optimum
temperature
20–40°C,
time
taken
0.5‐48
hours,
stirring
speed
500‐1000rmp.
It
discovered
magnetic
enhances
production
•OH,
O
2
•,
h+
by
mechanistically
responsible
revealed
expended
tribocatalyst
can
be
eluted
mostly
using
H
2O
reused
up
3–10
times
while
still
sustaining
suggests
industrial
scalability
eco‐friendliness
potential
approach.
Conclusion
end,
challenges
gaps
pave
way
method
improvement
also
serve
as
future
hotspots
researchers
were
presented.
