Journal of environmental chemical engineering,
Journal Year:
2024,
Volume and Issue:
12(5), P. 113703 - 113703
Published: July 29, 2024
The
development
of
efficient
adsorbent
for
removing
excessive
nutrients
(e.g.
phosphorous
–
P)
and
antibiotics
tetracycline
hydrochloride
TC)
from
livestock
wastewater
is
necessary
but
challenging
in
practical
application.
In
this
study,
magnetic
Zr-based
metal-organic
frameworks
(Fe3O4/UiO-66)
with
interfacial
Fe-O-Zr
bonds
were
synthesized
then
modified
ethylenediamine
(EDA)
functional
groups.
resultant
optimized
composite,
namely
Fe3O4/UiO-66-N2,
showed
promising
removal
P
TC
both
single
binary
solution
systems.
It
exhibited
the
maximum
adsorption
capacities
90.0
mg
P/g
72.3
mg/g
component
solution,
respectively.
an
initial
concentration
5
P/L,
coexistence
posed
a
slight
inhibition
effect
on
over
Fe3O4/UiO-66-N2.
However,
was
increased
by
raising
P/L
to
20
P/L.
Fe3O4
nanoparticles
EDA
groups
suggested
jointly
improving
TC,
synergy
factors
1.1
1.8,
effects
reaction
time,
water
medium,
pH
coexisting
ions
investigated
detail.
mechanisms
governing
phosphate
included
electrostatic
attraction,
hydrogen
bonding,
ligand
exchange
complexation.
Those
contributing
Lewis
acid-base
interaction
π-π
electron-donor-acceptor
interaction,
addition
bonding
This
work
designed
novel
functionalized
MOF
composite
adsorbents
targeting
at
simultaneous
water,
under
synergistic
surface
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
