Arabian Journal of Chemistry,
Journal Year:
2023,
Volume and Issue:
16(12), P. 105303 - 105303
Published: Sept. 26, 2023
This
review
article
evaluates
and
compares
the
efficiency
of
various
sustainable
adsorbents
for
removal
noxious
pollutants
from
water
environments.
study
discusses
types
concerning
their
performance
suitability.
Adsorbent
include
natural-based,
carbon-based,
waste-based,
biomass-based,
biopolymers-based,
nanocomposites-based
adsorbents,
as
well
metallic
organic
frameworks,
aerogels,
networking
crystalline
solids,
zeolite
nanoparticles,
dendrimers
were
reviewed.
Characterisation,
modification,
fabrication,
adsorption
capacities
under
different
conditions,
isotherm
models,
kinetics
also
Adsorption
pH
values,
adsorbent
doses,
concentrations,
temperature,
size
particles
have
been
described.
One
basic
needs
in
wastewater
is
formulation
optimisation,
using
columnar
operations,
more
importantly,
they
can
be
produced
quickly
should
cost-effective.
Various
studies
reported
a
broad
range
values
thermodynamic
parameters
pollutants,
suggesting
adsorbent's
nature
an
essential
factor
affecting
thermodynamics
pollutant
sorption.
The
regeneration
reusability
potential
other
discussed,
along
with
molecular
modelling,
simulation,
knowledge
gaps,
future
perspectives
Environmental Science and Ecotechnology,
Journal Year:
2024,
Volume and Issue:
21, P. 100420 - 100420
Published: April 12, 2024
Chlorinated
organic
pollutants
constitute
a
significant
category
of
persistent
due
to
their
widespread
presence
in
the
environment,
which
is
primarily
attributed
expansion
agricultural
and
industrial
activities.
These
are
characterized
by
persistence,
potent
toxicity,
capability
for
long-range
dispersion,
emphasizing
importance
eradication
mitigate
environmental
pollution.
While
conventional
methods
removing
chlorinated
encompass
advanced
oxidation,
catalytic
bioremediation,
utilization
biochar
has
emerged
as
prominent
green
efficacious
method
recent
years.
Here
we
review
biochar's
role
remediating
typical
organics,
including
polychlorinated
biphenyls
(PCBs),
triclosan
(TCS),
trichloroethene
(TCE),
tetrachloroethylene
(PCE),
organochlorine
pesticides
(OCPs),
chlorobenzenes
(CBs).
We
focus
on
impact
material
properties
adsorption
mechanisms
organics.
This
highlights
use
sustainable
eco-friendly
pollutants,
especially
when
combined
with
biological
or
chemical
strategies.
Biochar
facilitates
electron
transfer
efficiency
between
microorganisms,
promoting
growth
dechlorinating
bacteria
mitigating
toxicity
organics
through
adsorption.
Furthermore,
can
activate
processes
such
oxidation
nano
zero-valent
iron,
generating
free
radicals
decompose
compounds.
observe
broader
application
bioprocesses
treating
soil,
reducing
impacts.
Conversely,
water-based
integrating
proved
more
effective,
leading
superior
purification
results.
contributes
theoretical
practical
pollutants.
Current Research in Green and Sustainable Chemistry,
Journal Year:
2024,
Volume and Issue:
8, P. 100409 - 100409
Published: Jan. 1, 2024
The
world
is
currently
facing
significant
challenges
in
reducing
the
concentration
of
atmospheric
carbon
dioxide
(CO2)
through
scientific
methods,
primarily
by
sequestering
CO2
soil.
Biochar
a
kind
charcoal
that
composed
carbon,
hydrogen,
and
oxygen.
Due
to
its
aromatic
content,
biochar
can
persist
environment
for
an
extended
period
absorb
greenhouse
gases
(GHG).
Each
year,
effectively
captures
estimated
amount
ranging
from
1
35
gigatons
(GtCO2)
78
477
GtCO2
over
this
century.
helps
mitigate
climate
change
soil
periods
consequently
GHG
emissions.
This
enhances
fertility,
water
retention
capacity,
nutrient
circulation,
which
promote
higher
crop
yields.
Biochar's
by-products
be
harvested
used
as
renewable
energy
source.
Besides,
integration
effective
waste
management
strategies
organic
disposal.
also
efficient
purification
element
favors
action.
Through
application
alteration
employed
establish
credits,
methods
reduce
emissions
acceptable
level.
unique
properties,
wide-spread
applicability,
cost-effectiveness,
trustworthy
development
prospects
demonstrate
great
potential
towards
Sustainable
Development
Goals
(SDG).
review
discusses
diverse
applications,
social
technical
impacts
global
cycle
sustainable
goals.
ACS ES&T Engineering,
Journal Year:
2024,
Volume and Issue:
4(6), P. 1256 - 1274
Published: April 22, 2024
The
increasing
use
of
antibiotics
induces
the
spread
antibiotic-resistant
genes
(ARGs)
in
environment,
which
seriously
threatens
natural
ecosystem
and
human
health.
Reducing
environment
is
utmost
importance.
Biochar,
as
a
cost-effective,
environmentally
friendly,
carbon-rich
porous
material
with
circular
economy
prospects,
has
shown
great
potential
antibiotic
remediation
environment.
adsorption
mechanisms
(e.g.,
electrostatic
interaction,
hydrogen
bonding
hydrophobic
π–π
electron
donor–acceptor
(EDA)
pore
diffusion)
biotic
roles
biochar
microbial
shelter,
carrier,
mediator)
synergistically
promote
removal
from
aqueous
phase.
This
review
critically
discusses
various
based
on
classes
antibiotics,
efficacy
removal,
influence
crucial
parameters
antibiotics.
Furthermore,
provides
critical
discussion
engineering
application
biochar.
Finally,
highlights
prospects
challenges
treating
antibiotic-contaminated
liquid
streams.
Sustainability,
Journal Year:
2023,
Volume and Issue:
15(19), P. 14552 - 14552
Published: Oct. 7, 2023
Recently,
the
preparation
of
smart
multifunctional
hybrid
nanoparticles
has
captured
significant
interest
in
versatile
areas,
including
medicine,
environment,
and
food,
due
to
their
enhanced
physicochemical
properties.
The
present
study
focuses
on
synthesis
Fe-doped
NiO
by
coprecipitation
method
using
sources
nickel
(II)
acetate
tetrahydrate
iron
(III)
nitrate
nonahydrate.
prepared
are
characterized
X-ray
diffraction,
Fourier
transform
infrared
spectroscopy,
UV–visible
field-emission
scanning
electron
microscopy,
transmission
photon
spectroscopic
analysis.
XRD
results
clearly
confirm
face-centered
cubic
structure
polycrystalline
nature
synthesized
Fe-NiO
nanoparticles.
Tauc
plot
analysis
revealed
that
bandgap
energy
decreased
with
increasing
concentration
Fe
dopant
from
2%
8%.
XPS
samples
exhibited
existence
elements,
Fe,
Ni,
O,
absence
any
surplus
compounds.
FE-SEM
TEM
analyses
proved
formation
nanostructured
few
spherical
mostly
unevenly
shaped
particles.
Further,
photocatalytic
efficiency
were
identified
cationic
dye
rhodamine
B
(Rh-B).
8%
doped
achieved
99%
Rh-B
degradation
within
40
min
visible-light
irradiation.
Hence,
exemplified
have
acted
as
a
noticeable
photocatalyst
degrade
dye.
