Critical Reviews in Environmental Science and Technology,
Journal Year:
2021,
Volume and Issue:
52(15), P. 2611 - 2660
Published: Feb. 25, 2021
Rapid
growth
in
population,
industry,
urbanization
and
intensive
agriculture
have
led
to
soil
water
pollution
by
various
contaminants.
Nanoremediation
has
become
one
of
the
most
successful
emerging
technologies
for
cleaning
up
contaminants
due
high
reactivity
nanomaterials
(NMs).
Numerous
publications
are
available
on
use
NMs
removing
contaminants,
efficiencies
often
improved
modifications
with
polymers,
clay
minerals,
zeolites,
activated
carbon,
biochar.
This
paper
critically
reviews
current
state-of-the-art
used
sustainable
remediation,
focusing
their
applications
novel
remedial
approaches,
such
as
adsorption/filtration,
catalysis,
photodegradation,
electro-nanoremediation,
nano-bioremediation.
Insights
into
process
performances,
modes
deployment,
potential
environmental
risks
management,
consequent
societal
economic
implications
using
remediation
indicate
that
widespread
acceptance
nanoremediation
requires
not
only
a
substantial
advancement
underpinning
science
engineering
aspects
themselves,
but
also
practical
demonstrations
effectiveness
already
recognized
approaches
at
real
world
in-situ
conditions.
New
research
involving
green
nanotechnology,
nano-bioremediation,
risk
assessment
NMs,
outreach
activities
needed
achieve
regional
global
scales.
Molecules,
Journal Year:
2021,
Volume and Issue:
26(6), P. 1797 - 1797
Published: March 23, 2021
Clean
and
safe
water
is
a
fundamental
human
need
for
multi-faceted
development
of
society
thriving
economy.
Brisk
rises
in
populations,
expanding
industrialization,
urbanization
extensive
agriculture
practices
have
resulted
the
generation
wastewater
which
not
only
made
dirty
or
polluted,
but
also
deadly.
Millions
people
die
every
year
due
to
diseases
communicated
through
consumption
contaminated
by
deleterious
pathogens.
Although
various
methods
treatment
been
explored
last
few
decades
their
use
restrained
many
limitations
including
chemicals,
formation
disinfection
by-products
(DBPs),
time
expensiveness.
Nanotechnology,
manipulation
matter
at
molecular
an
atomic
level
craft
new
structures,
devices
systems
having
superior
electronic,
optical,
magnetic,
conductive
mechanical
properties,
emerging
as
promising
technology,
has
demonstrated
remarkable
feats
fields
treatment.
Nanomaterials
encompass
high
surface
volume
ratio,
sensitivity
reactivity,
adsorption
capacity,
ease
functionalization
makes
them
suitable
application
In
this
article
we
reviewed
techniques
being
developed
using
nanotechnology
based
on
biosorption,
nanofiltration,
photocatalysis,
sensing
technology.
Furthermore,
review
highlights
fate
nanomaterials
well
risks
associated
with
use.
Ecotoxicology and Environmental Safety,
Journal Year:
2020,
Volume and Issue:
208, P. 111577 - 111577
Published: Nov. 5, 2020
Heavy
metal
pollution
has
threatened
the
ecological
environment
and
human
health,
therefore,
effective
removal
of
these
toxic
pollutants
from
various
complex
substrates
is
great
significance.
So
far,
adsorption
still
one
most
approaches.
Metal-organic
frameworks
(MOFs),
which
are
porous
crystalline
materials
consisting
ions
or
clusters
organic
ligands
through
coordination
bonds.
Due
to
their
high
surface
area,
porosity,
as
well
good
chemical/thermal
stability,
have
recently
attracted
attention
in
environmental
analytical
chemistry.
This
review
mainly
focused
on
recent
studies
about
applications
UiO
series
MOFs
composites
emerging
MOFs,
been
used
effectively
for
diverse
heavy
a
variety
samples
novel
materials.
Moreover,
an
elaboration
UiO-MOFs
its
including
synthetic
methods
were
presented
detail.
In
addition,
characteristics
mechanism
solid
sorbents
discussed,
isotherms
equation,
thermodynamics,
kinetics.
To
this
end,
developing
trends
MOF-based
had
also
prospected.
will
provide
new
idea
study
development
high-performance
media
efficient
wastewater.
Separation and Purification Technology,
Journal Year:
2023,
Volume and Issue:
320, P. 124144 - 124144
Published: May 24, 2023
As
a
result
of
serious
pollution
in
the
water
environment,
sewage
disposal
has
been
receiving
lot
attention
from
industry.
Metal-organic
frameworks
(MOFs)
attract
interest
adsorption
and
separation
due
to
their
complex
structures
easily
adjustable
pore
sizes.
Magnetic
MOFs
inheriting
advantages
both
large
surface
area
easy
recovery
have
great
potentials
pollutants.
This
paper
reviews
recent
research
progress
on
ions,
dyes
other
contaminants
by
different
types
(magnetic
non-magnetic
MOFs)
magnetic
composites
(Fe3O4@MOF)
aqueous
environments.
The
factors
affecting
pollutants,
thermodynamic
kinetic
effects
are
discussed
with
detailed
examples.
Finally,
challenges
opportunities
for
further
development
elucidated.
Heliyon,
Journal Year:
2022,
Volume and Issue:
8(8), P. e10276 - e10276
Published: Aug. 1, 2022
Raw
date
seeds,
as
prospective
natural,
broadly
obtainable
and
low-price
agricultural
waste
for
adsorbing
cationic
dyes
from
aqueous
solutions,
have
been
studied.
In
this
work,
Iraqi
seeds
were
prepared
characterised
using
X-ray
diffraction
(XRD),
scanning
electron
microscopy
(SEM),
Fourier
transform
infrared
(FTIR)
spectroscopy
Brunauer–Emmett–Teller
(BET)
surface
area
analysis
before
being
used
an
efficient
bio-adsorbent
methyl
violet
(MV)
dye
removal.
Adsorption
tests
conducted
with
three
investigated
parameters,
namely,
time
of
contact,
first
adsorbate
concentration
adsorbent
dose.
Compared
the
pseudo
first-order
model
(coefficient
determination
=
0.9001),
second-order
was
determined
to
be
best-fitting
a
coefficient
(R2)
0.9917.
The
equilibrium
isotherms
MV
obtained,
their
ultimate
capacity
adsorption
(59.5
mg
g1).
Two
isotherm
models,
Langmuir
Freundlich,
studied
fit
data.
Freundlich
(R2
0.8154),
functioned
better
R2
0.9837.
addition,
process
endothermic
spontaneous.
acted
active
adsorbents
remove
solutions
in
experiments.
JOM,
Journal Year:
2022,
Volume and Issue:
74(9), P. 3531 - 3539
Published: June 28, 2022
Abstract
Magnetic
Fe
3
O
4
nanoparticles
(NPs)
were
successfully
synthesized
via
co-precipitation
method
using
ferric
chloride
and
ferrous
sulphate
as
the
starting
materials.
The
shape
size
of
NPs
controlled
by
different
types
additive
including
ammonium
hydroxide
sodium
hydroxide.
results
revealed
that
adding
hydroxide,
particles
attained
a
spherical
with
uniform
size.
On
other
hand,
turned
from
to
cubic
magnetic
showed
both
samples
hysteresis
loop,
which
indicated
have
ferromagnetic
behavior.
In
addition,
higher
adsorptive
behaviour
towards
Congo
red
compared
NPs,
is
attributed
enhancement
their
properties.
adsorption
onto
was
best
described
Langmuir
isotherm
model,
while
followed
Freundlich
model.