Recent Advances of Metal–Organic Framework for Heavy Metal Ions Adsorption
Langmuir,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 13, 2024
Heavy
metal
ion
wastewater
is
a
pressing
and
inescapable
issue
that
closely
related
to
human
health
ecological
security
due
its
toxicity,
carcinogenicity,
the
unmanageable
property
of
this
type
wastewater.
Metal–Organic
Frameworks
(MOFs)
are
class
crystalline
nanoporous
materials
with
flexible
designability
controllability,
showing
great
potential
in
field
adsorption
purification
heavy
metals
In
Perspective,
we
first
discuss
harm
different
ions
briefly
expound
virtues
MOFs
for
pollutant
adsorption.
Then,
mainly
summarize
recent
advances
construction
metal-based
(Zr-based,
Zn-based,
Co-based,
Al-based,
etc.)
their
research
progress
Furthermore,
various
types
MOF
additives
can
often
be
effectively
applied
by
functional
modification
or
other
composition.
Additionally,
several
commonly
used
kinetics
isotherm
models
also
detailed
help
an
in-depth
understanding
mechanism.
Finally,
challenges
opportunities
additionally
discussed,
review
may
provide
new
insight
water
applications.
Язык: Английский
Nitrogen-Doped Weathered Coal for the Efficient Adsorption of Lead: Adsorption Performance and Mechanisms
Molecules,
Год журнала:
2024,
Номер
29(23), С. 5589 - 5589
Опубликована: Ноя. 26, 2024
The
development
of
widely
sourced
and
efficient
adsorbents
is
crucial
for
the
adsorption
lead
from
wastewater.
A
novel
adsorbent,
N-doped
weathered
coal
(NWC),
was
prepared
in
this
study
using
as
precursor
triethylenetetramine
(TETA)
N-source.
performance
behavior
Pb(II)
on
NWC
were
investigated
batch
experiments.
results
demonstrated
that
has
an
towards
Pb(II),
with
a
maximum
monolayer
capacity
216.32
mg
g−1
(25
°C).
process
spontaneous
endothermic,
importance
chemisorption
observed.
mechanisms
also
analyzed
based
its
physicochemical
structure
before
after
desorption
N
O
functional
groups,
acting
electron
donors,
promoted
coordination
making
complexation
dominant
mechanism.
Its
contribution
to
mechanism
could
reach
44.81%.
promising
material
both
wastewater
treatment
resource
utilization
coal.
Язык: Английский