Revista Brasileira de Geografia Física,
Год журнала:
2024,
Номер
17(3), С. 1833 - 1847
Опубликована: Май 7, 2024
The
research
problem
is
to
reduce
the
use
of
chemical
coagulants
by
seeking
more
sustainable
alternatives
water
treatment.
Moringa
oleifera
(MO)
a
good
alternative
coagulant
agent,
indicated
in
treatment
system,
its
clarification
process,
addition
being
biodegradable,
but
there
need
look
for
other
seeds
that
also
have
potential
be
used
as
natural
coagulants,
this
context,
it
justified
study
typical
from
Portugal,
where
was
carried
out,
an
coagulant.
hypothesis
project
is:
among
typically
European
selected
evaluation,
with
high
will
found.
This
aims
identify
seeds,
similar
Lam
out
partnership
UFS,
IFS
and
ISEP,
experiments
were
synthetic
turbidity
ranging
40
350
NTU.
four
different
types
chestnuts,
American
Portuguese
nuts,
plantain
oleifera,
chestnut
walnut
shells.
From
results
found,
Spanish
chestnuts
stand
removal
efficiency
up
69.8%
water,
MO
89.8%
water.
IOP Conference Series Earth and Environmental Science,
Год журнала:
2024,
Номер
1347(1), С. 012010 - 012010
Опубликована: Июнь 1, 2024
Abstract
Applying
inorganic
metal
salt-based
aluminium
sulphate
(Al
2
(SO
4
)
3
or
alum
in
wastewater
treatment
has
gained
many
concerns
regarding
the
impact
on
health
and
environmental
implications.
Due
to
negative
consequences,
incorporating
natural
flocculants
coagulation-flocculation
process
is
alternative
way
reduce
undesirable
effects.
In
this
study,
an
evaluation
performance
of
Manihot
esculenta
(ME)
starch
as
a
dual
flocculant
was
conducted
remove
chemical
oxygen
demand
(COD)
optimum
weight
ratio
alum/starch
=
0.06.
The
optimization
by
optimal
(custom)
design,
response
surface
methodology
(RSM)
presented
that
applying
improved
COD
removal
efficiency
up
93%
compared
single
coagulant
(alum)
85%.
Besides
increased,
dosage
reduced
64%
at
condition
18
mg/L
dosage,
307
pH
9,
27
mins
settling
time.
analysis
variance
(ANOVA)
indicated
quadratic
model
significantly
developed
with
p
-value
<
0.05.
results
were
justified
high
coefficient
determination
(R
0.9641)
0.9335)
using
flocculants,
respectively.
findings
supported
ME
approach
minimizing
coagulants
treatment.
The
working
conditions
during
the
preparation
and
extraction
of
solvents
from
various
plant
parts
significantly
improved
plant-based
coagulants
used
in
water
treatment.
study
reviews
performance
reducing
turbidity,
total
hardness,
heavy
metals,
microorganisms,
emphasizing
dosage
variations
across
different
types.
Utilizing
specific
keywords
for
searching
status
organizing
data
into
descriptive
analysis
were
applied.
process
results
involved
particle
size,
mixing
speeds,
drying
temperature
time
presented.
Again,
indicated
average
turbidity
removal
ranged
between
78
87.3%,
metal
59
to
98%,
hardness
reduction
15.45
43.3%,
microbial
elimination
91
92%
using
solid
levels
0.5
10.3
g/L
liquid
level
2
54
mL/L,
respectively.
actionable
suggestions
implementing
up
scaled
treatment
systems
Therefore,
findings
would
support
optimization
plants
commercialization
applications.
Revista Brasileira de Geografia Física,
Год журнала:
2024,
Номер
17(3), С. 1833 - 1847
Опубликована: Май 7, 2024
The
research
problem
is
to
reduce
the
use
of
chemical
coagulants
by
seeking
more
sustainable
alternatives
water
treatment.
Moringa
oleifera
(MO)
a
good
alternative
coagulant
agent,
indicated
in
treatment
system,
its
clarification
process,
addition
being
biodegradable,
but
there
need
look
for
other
seeds
that
also
have
potential
be
used
as
natural
coagulants,
this
context,
it
justified
study
typical
from
Portugal,
where
was
carried
out,
an
coagulant.
hypothesis
project
is:
among
typically
European
selected
evaluation,
with
high
will
found.
This
aims
identify
seeds,
similar
Lam
out
partnership
UFS,
IFS
and
ISEP,
experiments
were
synthetic
turbidity
ranging
40
350
NTU.
four
different
types
chestnuts,
American
Portuguese
nuts,
plantain
oleifera,
chestnut
walnut
shells.
From
results
found,
Spanish
chestnuts
stand
removal
efficiency
up
69.8%
water,
MO
89.8%
water.
