Molecules,
Journal Year:
2021,
Volume and Issue:
26(21), P. 6628 - 6628
Published: Nov. 1, 2021
Currently,
a
serious
threat
for
living
organisms
and
human
life
in
particular,
is
water
contamination
with
persistent
organic
inorganic
pollutants.
To
date,
several
techniques
have
been
adopted
to
remove/treat
organics
toxic
contaminants.
Adsorption
one
of
the
most
effective
economical
methods
this
purpose.
Generally,
porous
materials
are
considered
as
appropriate
adsorbents
purification.
Conventional
such
activated
carbons
limited
possibility
surface
modification
(texture
functionality),
their
adsorption
capacity
difficult
control.
Therefore,
despite
significant
progress
achieved
development
systems
remediation,
there
still
need
novel
adsorptive
tunable
functional
characteristics.
This
review
addresses
new
trends
adsorbent
materials.
Herein,
modern
carbon-based
materials,
graphene,
oxidized
carbon,
carbon
nanotubes,
biomass-derived
carbonaceous
matrices—biochars
well
composites
metal-organic
frameworks
(MOFs)
MOF-derived
highly-ordered
advanced
removal
hazardous
from
drinking
water,
process
leachate.
The
focused
on
preparation
these
next-generation
analysis
performance
including
possible
mechanisms.
Simultaneously,
some
weak
points
analyzed
routes
conquer
them.
For
instance,
large
quantities
pollutants,
combination
other
methods,
like
sedimentation
may
be
recommended.
A
number
efficient
strategies
further
enhancing
adsorbents,
integrating
approaches
rational
functionalization,
composing
(of
two
or
even
three
types)
can
cost
reduction
regeneration
must
also
focus
future
research
endeavors.
targeted
optimization
discussed
associated
detailed
studies
process,
especially,
multicomponent
adsorbate
solution,
will
pave
bright
avenue
remediation.
ACS Omega,
Journal Year:
2020,
Volume and Issue:
5(10), P. 5389 - 5400
Published: March 2, 2020
A
new
type
of
deacetylated
cellulose
acetate
(DA)@polydopamine
(PDA)
composite
nanofiber
membrane
was
fabricated
by
electrospinning
and
surface
modification.
The
applied
as
a
highly
efficient
adsorbent
for
removing
methylene
blue
(MB)
from
an
aqueous
solution.
morphology,
chemistry,
wettability,
effects
operating
conditions
on
MB
adsorption
ability,
well
the
equilibrium,
kinetics,
thermodynamics,
mechanism
adsorption,
were
systematically
studied.
results
demonstrated
that
uniform
PDA
coating
layer
successfully
developed
DA
nanofibers.
capacity
DA@PDA
reached
up
to
88.2
mg/g
at
temperature
25
°C
pH
6.5
after
30
h,
which
is
about
8.6
times
higher
than
experimental
showed
behavior
nanofibers
followed
Weber's
intraparticle
diffusion
model,
pseudo-second-order
Langmuir
isothermal
model.
thermodynamic
analysis
indicated
endothermic,
spontaneous,
physisorption
processes
occurred.
Based
results,
also
demonstrated.
Frontiers in Environmental Science,
Journal Year:
2021,
Volume and Issue:
9
Published: Dec. 9, 2021
Dyes,
especially
azo
dyes
contained
in
wastewaters
released
from
textile,
pigment,
and
leather
industries,
are
entering
into
natural
waterbodies.
This
results
environmental
deterioration
serious
health
damages
(for
example
carcinogenicity
mutagenesis)
through
food
chains.
Physiochemical,
membrane
processes,
electrochemical
technology,
advanced
oxidation
reverse
osmosis,
ion
exchange,
electrodialysis,
electrolysis,
adsorption
techniques
commonly
used
conventional
treatment
technologies.
However,
the
limitations
of
most
these
methods
include
generation
toxic
sludge,
high
operational
maintenance
costs.
Thus,
technological
advancements
use
to
remediate
effluents.
Adsorption
using
nonconventional
biomass-based
sorbents
is
greatest
attractive
alternatives
because
their
low
cost,
sustainability,
availability,
eco-friendly.
We
present
reviewed
up-to-date
publications
on
for
dye
removal.
Conceptualization
synthesizing
state-of-the-art
knowledge
characteristics,
experimental
conditions
were
also
discussed.
The
merits
various
biosorbents
reflected.
maximum
capacities
synthesized
order
biomass
type
(algae,
agricultural,
fungal,
bacterial,
activated
carbon,
yeast,
others).
Surface
chemistry,
pH,
initial
concentration,
temperature,
contact
time,
adsorbent
dose
as
well
ways
preparations
materials
affect
biosorption
process.
Based
average
capacity,
those
arranged
prioritized.
best
fit
isotherms
Freundlich
Langmuir
models)
basic
operating
parameters
removal
retrieved.
Which
adsorbents
have
greater
potential
based
uptake
nature,
cost-effectiveness,
bulk
mono
multilayer
behavior
was
including
desorption
cycles
preparation
operation
implementation
this
technology
forwarded.
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
ACS Applied Nano Materials,
Journal Year:
2020,
Volume and Issue:
3(9), P. 8742 - 8752
Published: Aug. 20, 2020
High-performance
wearable
electronic
devices
with
the
capability
of
converting
mechanical
force
into
electrical
energy
have
been
gaining
increasing
attention
for
biomedical
monitoring
applications.
We
present
a
novel
piezoelectric
sensor
based
on
poly(vinylidene
fluoride)
(PVDF)
nanofibrous
membrane
containing
microporous
zirconium-based
metal–organic
frameworks
(MOFs)
arterial
pulse
monitoring.
It
is
shown
that
incorporation
5
wt
%
MOF
greatly
enhances
constant
polymer
fibrous
mat
by
3.4-fold
without
significant
loss
in
its
flexibility.
The
composite
exhibits
peak-to-peak
voltage
600
mV
under
an
applied
N,
which
superior
to
many
flexible
pressure
sensors.
demonstrated
enhanced
performance
not
only
attributed
increased
degree
crystallinity
and
polar
β
phase
content
(75%)
but
also
surface
chemistry
topography
nanofibers.
Evaluations
output
attached
radial
artery
at
normal
body
conditions
reveal
significantly
better
(568
±
76
mV)
sensitivity
(0.118
V/N)
than
PVDF
wrist
results
this
work
pave
new
way
develop
sensors
MOFs
environmentally
sustainable
generation
healthcare
systems.
