Processes,
Год журнала:
2023,
Номер
11(7), С. 2133 - 2133
Опубликована: Июль 17, 2023
Water
pollution
caused
by
population
growth
and
human
activities
is
a
critical
problem
exacerbated
limited
freshwater
resources
increasing
water
demands.
Various
sectors
contribute
to
pollution,
with
the
dairy
industry
being
significant
contributor
due
high
concentrations
of
harmful
contaminants
in
wastewater.
Traditional
treatment
methods
have
been
employed,
but
they
limitations
terms
effectiveness,
cost,
environmental
impact.
In
recent
years,
membrane
separation
technology
(MST)
has
emerged
as
promising
alternative
for
treating
Membrane
processes
offer
efficient
separation,
concentration,
purification
wastewater,
benefits
such
reduced
process
steps,
minimal
impact
on
product
quality,
operational
flexibility,
lower
energy
consumption.
However,
fouling
concentration
polarization
present
major
challenges
associated
this
technique.
Therefore,
strategies
implemented
mitigate
these
phenomena,
including
pre-treatment
prior
MST,
coagulation,
adsorption.
Recently,
3D
printing
gained
prominence
one
latest
most
notable
advancements
addressing
issues.
This
comprehensive
review
examines
drawbacks
conventional
employed
wastewater
explores
utilization
an
approaches.
Additionally,
technologies
or
alleviate
are
discussed.
Heliyon,
Год журнала:
2024,
Номер
10(7), С. e27584 - e27584
Опубликована: Март 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.
Processes,
Год журнала:
2023,
Номер
11(7), С. 2133 - 2133
Опубликована: Июль 17, 2023
Water
pollution
caused
by
population
growth
and
human
activities
is
a
critical
problem
exacerbated
limited
freshwater
resources
increasing
water
demands.
Various
sectors
contribute
to
pollution,
with
the
dairy
industry
being
significant
contributor
due
high
concentrations
of
harmful
contaminants
in
wastewater.
Traditional
treatment
methods
have
been
employed,
but
they
limitations
terms
effectiveness,
cost,
environmental
impact.
In
recent
years,
membrane
separation
technology
(MST)
has
emerged
as
promising
alternative
for
treating
Membrane
processes
offer
efficient
separation,
concentration,
purification
wastewater,
benefits
such
reduced
process
steps,
minimal
impact
on
product
quality,
operational
flexibility,
lower
energy
consumption.
However,
fouling
concentration
polarization
present
major
challenges
associated
this
technique.
Therefore,
strategies
implemented
mitigate
these
phenomena,
including
pre-treatment
prior
MST,
coagulation,
adsorption.
Recently,
3D
printing
gained
prominence
one
latest
most
notable
advancements
addressing
issues.
This
comprehensive
review
examines
drawbacks
conventional
employed
wastewater
explores
utilization
an
approaches.
Additionally,
technologies
or
alleviate
are
discussed.
