Advanced Sustainable Systems,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 6, 2024
Abstract
Concern
over
the
harmful
impacts
of
pollutants
on
human
health
and
environment
has
increased
in
recent
decades
due
to
their
widespread
presence
water
resources.
These
include
pesticides,
poisonous
textile
dyes,
micropollutants.
It
is
essential
remove
these
from
wastewater
enhance
quality
for
industrial
usage.
Because
externally
hydrophilic
internally
hydrophobic
qualities,
cyclodextrin
its
derivatives
have
shown
great
promise
as
adsorbents
treatment
wastewater.
While
cyclodextrins
cannot
be
used
own
solubility,
they
can
efficiently
polymerized
with
different
types
cross‐linkers
increase
stability
effectiveness.
This
review
article
examines
chemically
crosslinked
materials
based
derivatives,
utilizing
various
such
epichlorohydrin,
glutaraldehyde,
citric
acid,
N,N′‐methylene
bisacrylamide
maleic
anhydride.
are
evaluated
effectiveness
adsorbing
micropollutants,
pharmaceuticals,
pesticides
Additionally,
this
provides
a
detailed
explanation
adsorption
kinetics,
thermodynamics,
kinetic
isotherms
removal
contaminants.
also
discusses
mechanism
contaminant
adsorption,
reusability
adsorbents.
Finally,
study
delves
into
challenges
exciting
future
prospects
CD‐based
adsorbents,
highlighting
potential
revolutionize
treatment.
Separations,
Год журнала:
2025,
Номер
12(1), С. 11 - 11
Опубликована: Янв. 8, 2025
Miniaturized
solid-based
approaches
have
added
an
eco-friendly
dimension
to
analytical
procedures,
establishing
themselves
as
promising
strategies
for
a
wide
range
of
applications.
Among
these,
microextraction
by
packed
sorbent
(MEPS)
stands
out
due
its
ability
facilitate
efficient
sample
interaction
with
densely
sorb
ent
phase
within
the
system.
MEPS
offers
several
advantages,
including
preconcentration
capabilities
and
use
minimal
solvent
volumes,
making
it
appealing
choice
modern
workflows.
Since
extraction
efficiency
is
largely
dictated
phase,
recent
advancements
in
design
garnered
considerable
attention
field
preparation.
Innovations
phases
not
only
enhanced
but
also
enabled
development
semi-
fully
automated
systems,
paving
way
high-throughput
methodologies.
These
elevated
beyond
traditional
offline
miniaturized
preparation
methods,
offering
new
opportunities
streamlined
scalable
analyses.
Therefore,
this
study
provides
comprehensive
overview
novel
used
MEPS,
particular
focus
on
both
bio-based
synthetic
materials.
Furthermore,
explores
aspects
highlighting
current
trends,
technological
advancements,
future
directions
rapidly
evolving
field.
Angewandte Chemie International Edition,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 11, 2025
The
ultrafast
removal
of
trace
herbicides
like
paraquat
(PQ)
and
diquat
(DQ)
from
water
is
urgent
yet
challenging
due
to
their
highwater
stability
strong
binding
properties.
Here,
efficient
PQ
DQ
based
on
hydrogen-bonding
nanotraps
dominant
multi-site
adsorption
were
developed.
Two
crosslinked
polymeric
microspheres,
βCD-PF
γCD-PF,
synthesized
cyclodextrins
(CDs)
hexafluorocyclotriphosphazene
(HFP).
γCD-PF
microsphere
with
sufficient
hydrogen
bonding
the
pore
surface
prompts
kinetics
constants
up
127.09
192.64
g
mg-1
min-1,
achieving
99%
efficiency
for
within
5
s.
exhibits
exceptional
selectivity
over
larger
competing
dyes.
Importantly,
(1
ppm)
can
be
effectively
treated
achieve
a
concentration
far
below
U.S.
EPA
standard
(0.003
30
seconds.
driven
by
mechanism:
electrostatic
π-π
interactions
HFP
promote
adsorbate
accumulation
CD
surface,
while
high-density
in
enhance
bond
strength,
enabling
rapid
capture.
This
work
provides
valuable
strategy
designing
adsorbents
effective
herbicide
water.
Angewandte Chemie,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 11, 2025
Abstract
The
ultrafast
removal
of
trace
herbicides
like
paraquat
(PQ)
and
diquat
(DQ)
from
water
is
urgent
yet
challenging
due
to
their
highwater
stability
strong‐binding
properties.
Here,
efficient
PQ
DQ
based
on
hydrogen‐bonding
nanotraps
dominant
multisite
adsorption
were
developed.
Two
crosslinked
polymeric
microspheres,
β
CD‐PF
γ
CD‐PF,
synthesized
cyclodextrins
(CDs)
hexafluorocyclotriphosphazene
(HFP).
microsphere
with
sufficient
the
pore
surface
prompts
kinetics
constants
up
127.09
192.64
g
mg
−1
min
,
achieving
99%
efficiency
for
within
5
s.
exhibits
exceptional
selectivity
over
larger
competing
dyes.
Importantly,
(1
ppm)
can
be
effectively
treated
achieve
a
concentration
far
below
US
Environmental
Protection
Agency
(EPA)
standard
(0.003
30
driven
by
mechanism:
electrostatic
π–π
interactions
HFP
promote
adsorbate
accumulation
CD
surface,
while
high‐density
in
enhance
hydrogen
bond
strength,
enabling
rapid
capture.
This
work
provides
valuable
strategy
designing
adsorbents
effective
herbicide
water.
