Water and Environment Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 25, 2025
Abstract
The
use
of
natural
plant‐based
bio‐coagulants/flocculants
is
gaining
prominence
in
wastewater
treatment.
This
study
investigated
the
efficacy
liquids
extracted
from
cladodes
Opuntia
ficus‐indica
(
Cactaceae
)
stored
under
different
conditions
for
a
defined
period.
aim
was
to
assess
correlation
between
storage
and
performance
treating
synthetic
kaolin‐rich
water.
results
underscore
critical
role
post‐harvest
preserving
functional
these
bio‐products.
Cladodes
were
161
days
three
environments:
closed
anaerobic
zone,
open
air
refrigerator
at
4°
C.
zone
fully
degraded
before
161st
day.
Conversely,
those
exhibited
highest
resistance
microbial
degradation,
followed
by
kept
refrigerator.
Juices
evaluated
their
coagulation‐flocculation
decantation
performance.
air,
without
with
protection
climatic
agents,
achieved
turbidity
reductions
87.3%
80.7%,
respectively.
optimal
dose
1.3
ml
juice
per
gram
kaolin,
while
sedimentation
rates
reached
3
cm/min
2.5
cm/min,
respectively,
0.1
kaolin.
Refrigerated
reduced
33.6%
7.8
an
average
rate
1
These
findings
reveal
significant
relationship
bio‐coagulants/flocculants,
emphasizing
importance
optimizing
enhanced
treatment
applications.
Reviews in Environmental Science and Bio/Technology,
Journal Year:
2023,
Volume and Issue:
22(4), P. 969 - 1008
Published: Oct. 13, 2023
Abstract
The
aquaculture
industry
is
rapidly
developing,
generating
a
high
amount
of
wastewater.
Inland
effluents
contain
nutrients
and
other
substances
that
can
cause
eutrophication
the
emergence
resistive
organisms
if
released
into
environment.
Hence,
wastewater
should
be
treated
appropriately
for
reuse
in
different
applications
or
safely
environment,
promoting
sustainable
circular
economy.
current
review
provides
insight
generation,
constituents,
treatment
through
various
technologies.
This
study’s
technologies
could
classified
as
physical,
chemical,
biological.
SWOT
analysis
was
conducted
on
each
technology
to
provide
an
in-depth
understanding
advantages
drawbacks.
Suggestions
were
also
stated
shed
light
importance
means
transition
toward
Graphical
abstract
Results in Chemistry,
Journal Year:
2024,
Volume and Issue:
7, P. 101390 - 101390
Published: Jan. 1, 2024
The
ability
of
mixed
neem,
cassava,
and
wild
betel
plant
leaves
to
act
as
plant-based
coagulants
was
tested
in
real
aquaculture
wastewater
through
the
coagulation-flocculation
process.
performance
coagulant
(PBC)
compared
with
that
chemical
(alum)
observe
removal
efficiency
turbidity,
TSS,
color,
COD.
Ratio,
a
new
approach,
used
by
selecting
TSS
an
indicator
or
index
substitute
for
dosage
term
calculated
based
on
simplified
equation.
extracted
medium
these
prepared
using
water
extraction.
Initial
characterizations
showed
PBC
had
some
carbon
amine
groups
(as
also
confirmed
LC-MS)
average
zeta
potential
–22.83
±
0.62
mV.
Results
indicated
both
(plant-based
coagulants)
successfully
removed
measured
polluted
parameters
turbidity
(85.17
%),
(80.28
color
(59.42
COD
(54.63
%)
0.79
mg/L
mass
3.94
mg,
while
alum
gained
higher
(99.08
(98.71
(97.29
(75.31
698.4
349.2
respectively.
This
signaled
still
acted
best
coagulant,
but
promising
opportunity
coagulant.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(7), P. e27584 - e27584
Published: March 19, 2024
The
growing
problem
of
industrial
pollution
in
developing
countries,
especially
Ethiopia,
has
sparked
serious
issues
about
the
quality
water,
particularly
when
it
comes
to
effluent
from
wet
coffee
processing
industries.
In
response,
this
study
investigates
potential
utilizing
natural
coagulants,
Acanthus
sennii
C.,
Moringa
stenopetala
B.,
and
Aloe
vera
L.,
either
individually
or
combination,
for
treatment
effluent.
Methodologically,
systematically
varies
operational
parameters,
including
coagulant
dose,
pH
levels,
stirring
speed,
time,
evaluate
their
impact
on
coagulation
efficiency.
Experimental
data
undergo
statistical
analysis,
employing
ANOVA,
while
computational
optimization
techniques
are
employed
using
Design
Expert
software
determine
optimal
conditions.
Notably,
blended
form
three
coagulants
emerges
as
promising,
yielding
conditions
0.750
g/L
dosage,
8.76,
agitation
speed
80.73
rpm,
time
19.23
min.
Under
these
optimized
conditions,
achieves
remarkable
removal
efficiencies,
approximately
99.99%
color
98.7%
turbidity.
These
findings
underscore
efficiency
form,
sustainable
wastewater
processing.
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(6), P. e17284 - e17284
Published: June 1, 2023
The
batik
industry
has
been
one
of
the
main
family
businesses
in
most
east-coast
region
Malaysian
peninsula
for
many
years.
However,
appropriate
water
treatment
is
still
a
major
challenge
this
industry.
Stringent
laws
introduced
by
authorities
and
intention
to
protect
environment
are
factors
that
drive
researchers
search
suitable,
appropriate,
affordable
efficient
wastewater.
Treatment
research
on
wastewater
lacking
coagulation-flocculation
using
alum
was
chosen
as
stepping
stone
toward
selection
green
coagulants.
This
study
aimed
determine
best
conditions
flocculation-coagulation
standard
jar
test
method.
Four
were
investigated:
dosage
(0.1-3.5
g/L),
pH
(4-11),
settling
time
(0.5-24
h)
rapid
mixing
rate
(100-300
rpm).
Results
obtained
further
analysed
statistically
SPSS
software
prior
determining
significant
effect
variable
changes.
From
study,
process
found
be
at
1.5
g/L,
8,
4
h
100
rpm.
Chemical
oxygen
demand
(COD),
turbidity,
colour
total
suspended
solids
(TSS)
removed
70.7,
92.2,
88.4
100%,
respectively,
under
these
conditions.
showed
can
treated
chemical
means
alum.
indicates
need
forthcoming
developments
natural-based-coagulant-flocculants
sustainability
