Removal of heavy metals in industrial wastewater using adsorption technology: efficiency and influencing factors
Cleaner Engineering and Technology,
Год журнала:
2025,
Номер
24, С. 100879 - 100879
Опубликована: Янв. 5, 2025
Язык: Английский
Advantages of the reuse of spent adsorbents and potential applications in environmental remediation: A review
Green Analytical Chemistry,
Год журнала:
2024,
Номер
unknown, С. 100156 - 100156
Опубликована: Сен. 1, 2024
Язык: Английский
Review on the impact of heavy metals from industrial wastewater effluent and removal technologies
Heliyon,
Год журнала:
2024,
Номер
10(23), С. e40370 - e40370
Опубликована: Ноя. 15, 2024
The
incidence
of
water
pollution
in
developing
countries
is
high
due
to
the
lack
regulatory
policies
and
laws
that
protect
bodies
from
anthropogenic
activities
industrial
wastewater.
Industrial
wastewater
contains
significant
amounts
heavy
metals
are
detrimental
human
health,
aquatic
organisms,
ecosystem.
focus
this
review
was
evaluate
sources
treatment
methods
wastewater,
with
an
emphasis
on
technologies,
advantages,
disadvantages,
innovation.
It
observed
conventional
(such
as
flotation,
coagulation/flocculation,
adsorption)
had
shown
promising
results
but
posed
certain
limitations,
such
generation
volumes
sludge,
relatively
low
removal
rates,
inefficiency
treating
metal
concentrations,
sensitivity
varying
pH.
Recent
technologies
like
nanotechnology,
photocatalysis,
electrochemical
coagulation
have
advantages
over
for
removing
metals,
including
higher
improved
energy
efficiency,
greater
selectivity
specific
contaminants.
However,
costs
associated
these
advanced
remain
a
major
drawback.
Therefore,
we
recommend
future
developments
technology
reducing
both
waste
generation.
Язык: Английский
In situ electrochemical generated metal hydroxides as coagulants for optimization of sulfamethoxazole removal
Omid Paknia,
Mohammad Hassan Moshafi,
Faeze Ashkar
и другие.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Апрель 15, 2025
In
this
study,
the
antibiotic
sulfamethoxazole
(SMX)
removal
was
investigated
and
optimized
using
electrocoagulation
process
(ECP).
The
effective
parameters
including
initial
SMX
concentration,
current
density,
solution
pH,
reaction
time,
type
concentration
of
supporting
electrolytes,
types
electrodes
(Fe/Fe,
Al/Al,
Cu/Cu,
Zn/Zn),
on
treatment
were
investigated.
Response
surface
methodology
(RSM)
applied
for
designing
study
based
central
composite
design
(CCD).
maximum
efficiency
energy
consumption
99.9%
0.743
kWh
m-3,
respectively,
found
in
optimum
condition
20
mg
L-1,
density
15.0
mA
cm-2,
pH
9.0,
time
17.0
min,
mM
NaCl
as
electrolyte
Fe/Fe
electrode.
statistical
data
p-value
<
0.0001,
F-value
311.2,
high
determination
coefficient
(R2)
0.9878,
adjusted
R2
0.9847,
predicted
0.9753
revealed
satisfactory
correlation
between
values
experimental
findings
developed
model.
ECP
involves
a
combination
multiple
mechanisms
such
coagulation,
flocculation,
flotation,
sedimentation,
adsorption
that
act
synergistically
to
remove
contaminants
by
applying
electrical
current.
Язык: Английский
Optimizing chromium removal from synthetic wastewater via electrocoagulation process with a natural coagulant (blended of eggshell powder and lime) using response surface methodology
Firomsa Bidiraa,
Endrias Adane Bekele,
Werkne Sorsa Muleta
и другие.
Heliyon,
Год журнала:
2024,
Номер
10(21), С. e39234 - e39234
Опубликована: Окт. 18, 2024
The
presence
of
chromium
(Cr)
in
synthetic
wastewater
has
become
a
serious
environmental
issue.
Therefore,
main
aim
this
work
was
to
investigate
Cr
removal
from
via
electrocoagulation
(EC)
with
natural
coagulant
using
aluminum
electrodes.
central
composite
design
(CCD)
the
response
surface
methodology
(RSM)
method
used
optimized
operating
variables
solution
pH
(5-9),
initial
concentration
(225-475
mgL
Язык: Английский
Extraction of cellulose from Forsskaolea tenacissima L through alkalization and bleaching processes: Characterization, and application to the adsorption of hazardous cationic dyes from water
Results in Chemistry,
Год журнала:
2024,
Номер
unknown, С. 102010 - 102010
Опубликована: Дек. 1, 2024
Язык: Английский