ACS ES&T Water,
Год журнала:
2024,
Номер
4(11), С. 4793 - 4805
Опубликована: Авг. 23, 2024
As
an
essential
element
for
all
living
organisms,
excessive
phosphate
ranks
as
a
primary
contributor
to
eutrophication
in
aquatic
regions.
Coordinative
modification
of
metal–organic
frameworks
(MOFs)
with
porous
molecular
cages
can
enhance
their
adsorption
selectivity
phosphate.
In
this
study,
novel
MOF@porous
coordination
(MOF@PCCs)
was
developed
by
modifying
PCCs
s-triazine,
2,4,6-tris(2-pyridyl)-s-triazine
(tpt),
and
2,4,6-tris[4-(pyridin-4-ylmethoxy)phenyl][1,3,5]triazine
(tpypt).
The
results
indicated
that
cyclodextrin-MOF@PCC-L
(CD-MOF@PCC-L)
prepared
tpypt
reached
equilibrium
capacity
164.5
mg/g
within
3
min.
Notably,
factors
such
acidic-neutral
pH
low
concentrations
anions
had
negligible
effects
on
adsorption,
while
humic
acid
methyl
orange
exhibited
noticeable
inhibitory
effect
adsorption.
CD-MOF@PCC-L
last
∼2486
bed
volumes
before
the
concentration
secondary
effluent
exceeds
average
limit
0.5
mg/L.
Superior
phosphorus
removal
efficiency
adsorption/desorption
experiments
highlights
its
potential
effective
reclaimed
water
treatment
applications.
Comprehensive
spectroscopic
computational
analyses
elucidate
multifaceted
mechanisms
CD-MOF@PCC-L.
Subsequently,
study
proposed
application
CD-MOF@PCC
after
further
orange.
This
provides
innovative
insights
into
microinterface
strategy
sequential
pollutants
via
employing
bridge.
Separation and Purification Technology,
Год журнала:
2024,
Номер
352, С. 128236 - 128236
Опубликована: Май 31, 2024
The
advancement
in
the
development
of
nanofillers
for
thin-film
nanocomposite
(TFN)
membranes,
particularly
those
derived
from
eco-friendly
sources,
has
gained
increasing
recognition.
This
is
largely
due
to
their
potential
markedly
improve
both
permeation
and
selectivity.
However,
investigation
biochar
(BC),
a
by-product
biomass
pyrolysis,
as
distinctive
nanofiller
remains
limited.
study
investigates
incorporation
porous
iron/zinc
(Fe/Zn)
modified
(MBC)
into
polyamide
active
layer
purpose
fabricating
TFN
membranes
on
polyethersulfone
(PES)
substrate
via
interfacial
polymerisation
(IP).
Imaging
confirmed
formation
metal
nanoparticles
dispersed
uniformly
throughout
BC
substrate.
Further
crystallinity
surface
analysis
suggest
strong
interactions
between
substrate,
with
area
117.99
m2/g
high
pore
volume
7.72
cm3/g.
effects
incorporating
MBC
membrane
(PA)
layers
physicochemical
properties,
permeation,
rejection
salts
dye
were
examined.
Scanning
Electron
Microscopy
(SEM)
imaging
shown
that
PA
results
seamless
finger-like
structure
spanning
layers.
also
causes
minor
increase
roughness
layer.
Fourier
transform
Infra-Red
(FT-IR)
spectroscopy
shows
an
enhancement
hydrophilic
functional
groups
(–OH
–COOH)
surface,
evidenced
by
reduced
contact
angle
value
55°.
Permeation
testing
indicate
M5,
where
was
incorporated
thin
film
structure,
best
performing
membrane,
water
permeance
feeds
water,
MO,
MgSO4
NaCl
solutions
46.55
±
0.08,
44.49
0.28,
37.43
0.36,
21.55
0.03
Lm2h-1bar−1,
respectively.
Rejection
recorded
be
99.53
0.02,
99.25
0.09
46.99
0.69
%.
provides
compelling
perspective
application
green-derived
fabrication
desalination,
resulting
enhanced
product
quality.
