Environmental Functional Materials,
Journal Year:
2023,
Volume and Issue:
2(1), P. 76 - 92
Published: March 1, 2023
Large
amounts
of
various
(in)organic
pollutants
and
CO2
are
released
into
the
environment
with
fast
development
agriculture
industry,
which
results
in
environmental
pollution
climate
change,
thereby
causes
great
threat
to
human
society.
The
efficient
capture
conversion
critical
against
greenhouse
effect,
whereas
elimination
from
is
important
health
ecosystem.
COFs
(covalent
organic
frameworks)
have
attracted
multidisciplinary
research
interests
because
their
outstanding
physicochemical
properties
such
as
high
surface
areas,
tunable
porous
structures,
abundant
active
sites
functional
groups.
Herein
application
conversion,
sorption-photocatalytic
degradation
pollutants,
sorption-catalytic
reduction-solidification
heavy
metals/radionuclides
were
reviewed
compared.
interaction
mechanisms
pollutant
molecules
discussed
macroscopic
sorption
results,
microscopic
spectroscopy
analysis,
theoretical
calculations.
adsorption
capacity
was
mainly
related
groups
sites,
photocatalytic
activity
dominated
by
•O2−
•OH
species.
exhibited
catalytic
removal
pollutants.
However,
there
still
some
main
challenges
real
applications:
1)
selective
low
cost
reusability;
2)
visible
light
absorption
for
molecule
degradation;
3)
target
selectivity
4)
reduction
ability
in-situ
solidification
under
complex
conditions;
5)
extraction
radionuclides
complicated
solutions
seawater
or
salt
lake.
In
end,
perspectives
difficulties
applications
described.
Biochar,
Journal Year:
2022,
Volume and Issue:
4(1)
Published: July 26, 2022
Abstract
The
fast
increase
of
population
results
in
the
quick
development
industry
and
agriculture.
Large
amounts
contaminants
such
as
metal
ions
organic
are
released
into
natural
environment,
posing
a
risk
to
human
health
causing
environment
ecosystem
problems.
efficient
elimination
from
aqueous
solutions,
photocatalytic
degradation
pollutants
or
in-situ
solidification/immobilization
heavy
solid
phases
most
suitable
strategies
decontaminate
pollution.
Biochar
biochar-based
composites
have
attracted
multidisciplinary
interests
especially
environmental
pollution
management
because
their
porous
structures,
large
functional
groups,
high
adsorption
capacities
photocatalysis
performance.
In
this
review,
application
biochar
adsorbents
and/or
catalysts
for
different
contaminants,
adsorption-photodegradation
pollutants,
adsorption-(photo)reduction
summarized,
mechanism
was
discussed
advanced
spectroscopy
analysis
DFT
calculation
detail.
doping
oxides
is
main
strategy
narrow
band
gap,
generation
separation
photogenerated
e
−
-h
+
pairs,
produce
more
superoxide
radicals
(·O
2
)
hydroxyl
(·OH),
enhance
visible
light
absorption
performance,
which
dominate
(photo)reduction
valent
metals
low
metals.
environmentally
friendly
materials,
promising
candidates
cleanup.
challenge
perspective
provided
end.
Graphical
Separation and Purification Technology,
Journal Year:
2023,
Volume and Issue:
320, P. 124144 - 124144
Published: May 24, 2023
As
a
result
of
serious
pollution
in
the
water
environment,
sewage
disposal
has
been
receiving
lot
attention
from
industry.
Metal-organic
frameworks
(MOFs)
attract
interest
adsorption
and
separation
due
to
their
complex
structures
easily
adjustable
pore
sizes.
Magnetic
MOFs
inheriting
advantages
both
large
surface
area
easy
recovery
have
great
potentials
pollutants.
This
paper
reviews
recent
research
progress
on
ions,
dyes
other
contaminants
by
different
types
(magnetic
non-magnetic
MOFs)
magnetic
composites
(Fe3O4@MOF)
aqueous
environments.
The
factors
affecting
pollutants,
thermodynamic
kinetic
effects
are
discussed
with
detailed
examples.
Finally,
challenges
opportunities
for
further
development
elucidated.
Carbon Research,
Journal Year:
2023,
Volume and Issue:
2(1)
Published: Feb. 9, 2023
Abstract
With
the
fast
development
of
agriculture,
industrialization
and
urbanization,
large
amounts
different
(in)organic
pollutants
are
inevitably
discharged
into
ecosystems.
The
efficient
decontamination
contaminants
is
crucial
to
human
health
ecosystem
pollution
remediation.
Covalent
organic
frameworks
(COFs)
metal–organic
(MOFs)
have
attracted
multidisciplinary
research
interests
because
their
outstanding
physicochemical
properties
like
high
stability,
surface
areas,
sorption
capacity
or
catalytic
activity.
In
this
review,
we
summarized
recent
works
about
elimination/extraction
pollutants,
heavy
metal
ions,
radionuclides
by
MOFs
COFs
nanomaterials
through
sorption-catalytic
degradation
for
chemicals
reduction-precipitation-extraction
metals
radionuclides.
interactions
between
COFs/MOFs
at
molecular
level
were
discussed
from
density
functional
theory
calculation
spectroscopy
analysis.
was
mainly
dominated
electrostatic
attraction,
π-π
interaction,
complexation
H-bonding
whereas
ions
attributed
complexation,
ion
exchange,
reduction
incorporation
reactions.
porous
structures,
groups,
active
sites
important
ability
selectivity.
doping
co-doping
metal/nonmetal,
with
other
materials
could
change
visible
light
harvest
generation/separation
electrons/holes
(e
−
/h
+
)
pairs,
thereby
enhanced
photocatalytic
challenges
possible
application
in
elimination
water
described
end.
Chemical Society Reviews,
Journal Year:
2023,
Volume and Issue:
52(22), P. 7949 - 8004
Published: Jan. 1, 2023
Photocatalytic
organic
reactions,
harvesting
solar
energy
to
produce
high
value-added
chemicals,
have
attracted
increasing
attention
as
a
sustainable
approach
address
the
global
crisis
and
environmental
issues.
Reticular
framework
materials,
including
metal-organic
frameworks
(MOFs)
covalent
(COFs),
are
widely
considered
promising
candidates
for
photocatalysis
owing
their
crystallinity,
tailorable
pore
environment
extensive
structural
diversity.
Although
design
synthesis
of
MOFs
COFs
been
intensively
developed
in
last
20
years,
applications
photocatalytic
transformations
still
preliminary
stage,
making
systematic
summary
necessary.
Thus,
this
review
aims
provide
comprehensive
understanding
useful
guidelines
exploration
suitable
MOF
COF
photocatalysts
towards
appropriate
reactions.
The
commonly
used
reactions
categorized
facilitate
identification
reaction
types.
From
practical
viewpoint,
fundamentals
experimental
design,
active
species,
performance
evaluation
external
conditions,
discussed
detail
easy
experimentation.
Furthermore,
latest
advances
COFs,
composites,
comprehensively
summarized
according
actual
sites,
together
with
discussion
structure-property
relationship.
We
believe
that
study
will
be
helpful
researchers
novel
reticular
various
synthetic
applications.
