Page 67 - Industrial Wastewater Treatment, Recycling and Reuse

of ever-increasing
the
as
removal
used
method.
are
electrocoagulation
cost
such
be
this
adsorption
5.5
Ni
coagulants
in
with
to
is
with
electrical
processes
removal.
of
for
coagulation
Ni
pH
electrocoagulation
parameter
is considered
Electrocoagulation
discharge
high
Adsorption
method
Pb
at
efficiency
plus
like
chemical
has
The
hybrid
nickel
in light
main
metals
that
nanoadsorbent
electrode
practiced
for
chemical
2006).
metal.
methodology
2012).
for
and
regulations
shown
removal
importance
the
using
heavy
economical
the
carbon
well.
heavy
al.,
is
Fe-Al
widely
over
al.,
consumption
of
Precipitation
have
et
of
as
evaluation
maximum
et
(Meunier
particular
magnetic
preferred
activated
Adsorption
stringent
removal
removal
an
(Cheng
gaining
a
Studies
using
be
most
to
sewer
and
surface
for
wastewater treatment—cont'd Methods Treatment Limits initial have cells lead battery storage average, 1–2. pH and mg/L 4 concentration Recently, magnetic metal oxide nanoparticles for devised been have g-Fe 3 O 4 as such Industrial Wastewater Treatment, Recycling, and Reuse: An Overview 7 and 3 pH at 9
mg/L
waters
in Discharge 0.1–3
removal
metal refineries,
important of silver
of Effluents batteries
Examples in Electroplating, storage
1.4 Occurs
Table Metal Ni