Current Research in Microbial Sciences,
Год журнала:
2022,
Номер
3, С. 100166 - 100166
Опубликована: Янв. 1, 2022
Heavy
metal
(HM)
pollution
is
extremely
deleterious
because
of
the
toxicity
they
exert
on
human
beings,
animals,
and
plants.
HMs
are
recalcitrant
to
degradation,
hence
persistent
in
environment
for
a
longer
duration
adding
concern.
at
high
concentrations
have
adverse
effects
production
food
as
affect
metabolic
activity
serious
implications
health,
reaching
tissue
via
direct
ingestion,
dermal
contact,
inhalation,
adsorption.
Several
methods
been
explored
eradication
from
environment.
Conventional
removal
constrained
by
processing
problems,
expenses,
generation
toxic
sludge,
therefore
more
research
now
focused
use
bacteria,
fungi,
plants,
diatoms
ions
In
this
context,
review
article
sheds
light
distribution
environment,
their
sources,
ecotoxicity
living
beings.
The
sustainable
remedies
decontaminate
current
knowledge
strategies
minimize
HM
also
discussed
along
with
recent
developments
nanoparticles
removal.
Chemosphere,
Год журнала:
2023,
Номер
328, С. 138508 - 138508
Опубликована: Март 25, 2023
Water
pollution
has
jeopardized
human
health,
and
a
safe
supply
of
drinking
water
been
recognized
as
worldwide
issue.
The
increase
in
the
accumulation
heavy
metals
from
different
sources
led
to
search
for
efficient
environmentally
friendly
treatment
methods
materials
their
removal.
Natural
zeolites
are
promising
removing
contaminating
water.
It
is
important
know
structure,
chemistry,
performance
removal
water,
natural
design
processes.
This
review
focuses
on
critical
analyses
application
distinct
adsorption
specifically,
arsenic
(As(III),
As(V)),
cadmium
(Cd(II)),
chromium
(Cr(III),
Cr(VI)),
lead
(Pb(II)),
mercury(Hg(II))
nickel
(Ni(II)).
reported
results
heavy-metal
by
summarized,
chemical
modification
acid/base/salt
reagent,
surfactants,
metallic
reagents
analyzed,
compared,
described.
Furthermore,
adsorption/desorption
capacity,
systems,
operating
parameters,
isotherms,
kinetics
were
described
compared.
According
analysis,
clinoptilolite
most
applied
zeolite
remove
metals.
effective
As,
Cd,
Cr,
Pb,
Hg,
Ni.
Additionally,
an
interesting
fact
variation
between
geological
origins
regarding
sorption
properties
capacities
suggesting
that
regions
world
unique.
Chemical Engineering Journal,
Год журнала:
2022,
Номер
435, С. 134857 - 134857
Опубликована: Янв. 26, 2022
Electrodialysis
(ED)
is
a
multipurpose
technology
that
can
be
used
for
treating
acidic
effluents
containing
metal
species.
Its
continuous
operation
capacity,
scalability,
and
easy
solve
most
of
the
drawbacks
current
technologies,
direct
reuse
concentrated
streams
avoid
need
chemical
addition
precipitation.
Hence,
ED
emerges
as
promising
with
huge
growth
potential
to
concentrate,
separate,
selectively
recover
metals
from
effluents.
This
critical
review
aims
(I)
discuss
types
processes
their
state-of-the-art,
(II)
provide
an
insight
on
important
parameters
behind
technology,
(III)
evaluate
limitations,
perspectives,
future
research
trends
in
this
field.
Typical
problems
including
precipitation
setup,
waste
management,
scale-up
system
are
discussed
solutions
suggested.
In
addition,
insights
materials
development
both
membrane
electrode
provided
further
advancing
recovery.
We
hope
shed
light
resources
recovery
industrial
municipal
wastewaters
moving
one
step
towards
circular
water
treatments.
Abstract
The
chemical
regeneration
process
has
been
extensively
applied
to
reactivate
biochar,
supporting
its
reusability
and
leading
significant
operating
cost
reduction.
However,
no
recent
review
discusses
the
effectiveness
of
biochar
regeneration.
Thus,
this
article
comprehensively
reviews
contaminated
with
organic
inorganic
pollutants.
Performance
depends
on
adsorption
mechanism,
functional
groups,
adsorbent
pore
structure,
changes
in
active
sites.
Secondary
contamination
is
one
challenges
facing
sustainable
adaptation
industry.
paper
these
draws
a
roadmap
for
future
research
support
wastewater
treatment
by
biochar.
Waste,
Год журнала:
2023,
Номер
1(3), С. 775 - 805
Опубликована: Сен. 6, 2023
Heavy
metal
contamination
in
wastewater
is
a
significant
concern
for
human
health
and
the
environment,
prompting
increased
efforts
to
develop
efficient
sustainable
removal
methods.
Despite
last
few
decades,
further
research
initiatives
remain
vital
comprehensively
address
long-term
performance
practical
scalability
of
various
adsorption
methods
adsorbents
heavy
remediation.
This
article
aims
provide
an
overview
mechanisms,
kinetics,
applications
diverse
remediating
metal-contaminated
effluents.
Physical
chemical
processes,
including
ion
exchange,
complexation,
electrostatic
attraction,
surface
precipitation,
play
essential
roles
adsorption.
The
kinetics
adsorption,
influenced
by
factors
such
as
contact
time,
temperature,
concentration,
directly
impact
rate
effectiveness
removal.
review
presents
exhaustive
analysis
adsorbents,
categorized
activated
carbon,
biological
agricultural
waste-based
materials,
nanomaterials,
which
possess
distinct
advantages
disadvantages
that
are
linked
their
area,
porosity,
chemistry,
concentration.
To
overcome
challenges
posed
contamination,
additional
necessary
optimize
adsorbent
performance,
explore
novel
devise
cost-effective
solutions.
comprehensive
lays
foundation
innovation
designing
optimized
systems
discovering
new
materials
remediation
wastewater.
Toxics,
Год журнала:
2022,
Номер
10(5), С. 231 - 231
Опубликована: Апрель 30, 2022
Contamination
by
heavy
metals
is
a
significant
issue
worldwide.
In
recent
decades,
soil
pollutants
in
China
had
adverse
impacts
on
quality
and
threatened
food
security
human
health.
Anthropogenic
inputs
mainly
generate
metal
contamination
China.
this
review,
the
approaches
were
used
these
investigations,
focusing
geochemical
strategies
isotope
methods,
particularly
useful
for
determining
pathway
of
mining
smelting
derived
pollution
soil.
Our
findings
indicate
that
distribution
substantially
topsoils
around
sites,
which
release
massive
amounts
into
environment.
Furthermore,
related
hazards
posed
Pb,
Cd,
As,
Hg
are
more
severe
to
plants,
organisms,
humans.
It's
worth
observing
kids
vulnerable
Pb
toxicity.
And
review
also
provides
novel
control
reduce
pollution.
Hydrometallurgy
offers
potential
method
extracting
removing
potentially
harmful
from
waste
However,
environmentally
friendly
remediation
contaminated
sites
challenge.
This
paper
evaluates
current
technological
advancements
polluted
soil,
such
as
stabilization/solidification,
natural
attenuation,
electrokinetic
remediation,
washing,
phytoremediation.
The
ability
biological
approaches,
especially
phytoremediation,
cost-effective
favorable
