Journal of Physics Conference Series,
Journal Year:
2023,
Volume and Issue:
2673(1), P. 012020 - 012020
Published: Dec. 1, 2023
Abstract
Batik
production
in
home
industries
needs
support
wastewater
treatment
a
limited
space.
Therefore,
modular-type,
lab-scale
plant
(WWTP)
with
capacity
of
87.75
liters
and
dimension
1.5
m
×
0.75
1
has
been
constructed.
The
WWTP
combines
three
significant
processes:
equalization,
neutralization,
adsorption.
This
study
focuses
on
the
monitoring
systems
for
pH
neutralization
process.
system
uses
four
microprocessors
Master/Slave
architecture
I
2
C
protocols
data
communication
between
processors.
measuring
instruments
include
pH,
temperature,
turbidity,
flow
rate
sensors.
actuators
consist
submersible
peristaltic
pumps.
operating
range
sensors
are
0–14,
25–81.44℃,
0–3000
NTU,
6.49–20.84
ml/s
respectively.
pumps
work
Pulse
Width
Modulation
(PWM)
mode
an
125–225
PWM.
All
operate
linearly
within
correlation
coefficient
0.97–1.
Environmental Technology,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 16
Published: April 24, 2024
This
study
addresses
a
gap
in
municipal
leachate
(MUPL)
treatment
by
introducing
pioneering
application
of
artificial
intelligence
(AI)
the
electrocoagulation/electroflocculation
(EC/EF)
process
utilizing
iron
electrodes.
The
overarching
aim
is
to
demonstrate
efficacy
AI,
particularly
multi-layer
perceptron
(MLP)-based
feed-forward
neural
network
(ANN)
incorporating
Levenberg-Marquardt
(LMb)
algorithm,
predicting
and
optimizing
EC/EF
outcomes
for
turbidity
(TDY)
removal.
research
methodology
involved
experimentation
robust
ANN
data
modeling.
significance
this
work
emerges
from
successful
integration
showcasing
its
potential
advancing
wastewater,
demonstrated
through
strong
positive
correlation
(0.994)
between
model
predictions
experimental
outcomes.
achieves
remarkable
99.4%
TDY
removal
at
an
electrolysis
time
10
min
contributes
valuable
insights
into
critical
parameters
influencing
process.
Results
modeling
exhibit
high
predictive
accuracy,
supported
elevated
R-squared
values
minimal
mean
square
error.
Statistical
analyses
underscore
key
parameters,
highlighting
influential
roles
current
intensity
settling
time.
emphasized
favourable
impact
maintaining
acidic
pH
range,
as
it
reduced
electrostatic
repulsion
particles,
facilitating
pollutant
agglomeration,
identified
factor
enhancing
efficiency,
reduction.
Energy
cost
savings
were
realized
not
requiring
temperature
elevation.
Achieving
translates
substantial
reductions
other
pollutants
present
MUPL,
thereby
elevating
water
quality
ensuring
compliance.
BIO Web of Conferences,
Journal Year:
2025,
Volume and Issue:
157, P. 03006 - 03006
Published: Jan. 1, 2025
Laboratory
wastewater
contains
organic
and
inorganic
pollutants
that
can
pollute
the
environment
if
not
treated
well.
This
study
uses
a
coagulation-flocculation
process
to
determine
proper
operational
condition
for
laboratory
treatment
in
Environmental
Engineering
Department
of
Institut
Teknologi
Sepuluh
Nopember
(ITS).
The
fluctuation
quality
quantity
was
observed
consecutively
two
weeks.
Aluminum
sulfate,
poly
aluminum
chloride,
ferric
chloride
coagulant
were
applied
with
pH
variation,
namely
6,
7,
8,
variation
dosage,
100,
300,
500
mg/L.
produced
is
range
918.33-32,045
L/day.
Meanwhile,
wastewater,
it
has
6.23-8.79,
TDS
260-788
mg/L,
TSS
40-380
COD
97-611.7
Cr0.0174-0.2053
Fe
0.29-7.55
Hg
0-0.0000392
Pb
0-0.084
results
this
showed
optimum
using
PAC
coagulant,
original
being
6
concentration
300
In
treatment,
removal
efficiency
TDS,
TSS,
7.07%,
92.59%,
27.45%,
respectively.
Environmental Engineering Research,
Journal Year:
2023,
Volume and Issue:
29(3), P. 230548 - 0
Published: Oct. 26, 2023
This
study
evaluated
a
novel
municipal
solid
waste
leachate
(MSWL)
treatment
system
called
the
Batch
flow
(BFLTS).
process
uses
combination
of
coagulation/flocculation
(C-F),
advanced
oxidation
(sulfate-hydroxyl
radical),
and
extended
aeration
activated
sludge
(EAAS)
to
treat
MSWL.
The
results
indicated
that
primary
phase
using
with
0.8
g
L<sup>-1</sup>
FeCl<sub>3</sub>
at
pH
6
achieved
67%
turbidity
63%
chemical
oxygen
demand
(COD)
reduction.
secondary
presence
both
K<sub>2</sub>S<sub>2</sub>O<sub>8</sub>
H<sub>2</sub>O<sub>2</sub>
peroxides
was
more
efficient
than
single
peroxide
processes.
While
PS-based
or
H<sub>2</sub>O<sub>2</sub>-based
processes
are
less
effective
(UV-PS
65.7%,
UV-H<sub>2</sub>O<sub>2</sub>
43.2%,
Heat-PS
58.6%,
Heat-H<sub>2</sub>O<sub>2</sub>
34.5%,
Heat-PS/H<sub>2</sub>O<sub>2</sub>
74.8%).
UV-PS/H<sub>2</sub>O<sub>2</sub>
highest
COD
removal
rate
89.4%.
In
third
phase,
Biochemical
(BOD)
under
optimal
operating
conditions
87.3%
94.7%
respectively.
Overall,
BFLTS
has
demonstrated
high
efficiency
in
removing
COD,
BOD,
TSS,
Turbidity,
TKN,
Heavy
metals
by
99%,
98%,
97%,
89%,
86%,
hybrid
potential
for
reducing
organic
load
MSWL
can
be
used
various
leachates.
IOP Conference Series Earth and Environmental Science,
Journal Year:
2024,
Volume and Issue:
1307(1), P. 012012 - 012012
Published: Feb. 1, 2024
Abstract
In
wastewater
treatment
systems,
coagulation
is
important
to
enhance
turbidity
removal
in
terms
of
physicochemical
treatment.
this
study,
the
aim
use
plant
leaves
and
seed
as
sustainable
environment
strategy
treat
turbid
water.
Four
(
Alhagi
graecorum,
Beta
vulgaris
L.,
Capparis
spinosa,
Medicago
sativa
),
stem
(Beta
L
.)
two
fruit
seeds
(Phoenix
dactylifera
Prunus
armeniaca
)
are
used
all
local
Iraq.
The
experiments
were
run
with
different
green
coagulant
concentrations
0,
1000,
3000,
5000,
7000
mg/L
test
500
NTU.
best
results
1000
mg/
spinosa
(45%),
(49%),
.
(leaves
47%,
56%),
Phoenix
(45%).
While
graecorum
reached
67,
62%
respectively.
This
support
concept
by
using
natural
coagulants
available
ecosystem.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(16), P. e36045 - e36045
Published: Aug. 1, 2024
Green
Industry
Standard
(GIS)
acts
as
a
guideline
for
industries,
including
the
Small
and
Medium
Enterprises
(SMEs)
to
preserve
environment
economy
in
their
production
process.
This
study
aims
assess
industry's
readiness
case
of
Indonesia's
batik
industry,
adopt
GIS
optimize
its
implementation.
The
method
used
this
is
survey
interviews.
interviews
involved
25
respondents,
comprising
owners
or
managers
industry
engaged
handcrafted,
stamped,
combined
production,
from
pattern-making
finishing
stages.
analysis
has
been
done
using
Stages
Change
Readiness
Treatment
Eagerness
Scale
(SOCRATES)
instrument
evaluate
employing
TOWS
(Threats,
Opportunities,
Weaknesses,
Strengths)
analytical
tool
formulate
optimization
strategies.
results
show
that
an
assessment
industries'
compliance
with
Standards
revealed
they
have
not
yet
adopted
sustainable
practices
processes
concerning
materials,
energy,
water,
products,
waste.
SOCRATES
also
indicates
meet
technical
requirements
currently
low.
In
conclusion,
primary
approach
applying
green
principles
should
focus
on
rectifying
existing
weaknesses
craftsmen's
awareness
understanding
practices.
After
emerges,
utilizing
can
boost
improve
raw
material
efficiency,
provide
customers
greater
"green"
value.
Journal of Physics A Mathematical and Theoretical,
Journal Year:
2024,
Volume and Issue:
57(31), P. 315002 - 315002
Published: July 19, 2024
Abstract
Coagulation-flocculation,
the
physicochemical
process
widely
used
for
purification
a
wastewater,
is
affected
both
by
chemical
details
of
involved
polymers
and
statistics
their
conformations
on
large
scale.
The
latter
aspect
covered
in
this
study
employing
coarse-grained
modeling
approach
based
combination
two
paradigms
statistical
mechanics.
One
self-avoiding
walk
(SAW)
which
generates
range
linear
polymer
N
SAW
monomers.
Another
one
non-trivial
diffusion
limited
aggregation
(DLA)
DLA
impurities
(referred
thereafter
as
‘particles’)
describes
coagulation
occurring
with
probability
0<p⩽1
(
p
=
1
recovers
standard
DLA).
diffusive
particles
complemented
irreversible
adsorption
monomers
equal
to
one,
processes
resulting
formation
DLA-SAW
agglomerates.
dynamics
such
agglomerates,
well
fractal
dimensions
internal
structure
are
practical
interest.
We
consider
related
characteristics,
as:
(i)
absolute
relative
n
adsorbing
efficiencies
SAW;
(ii)
effective
gyration
radius
RgDLA-SAW
agglomerates;
(iii)
dimension
D
these
aggregates.
These
studied
within
wide
each
parameter
from
set
{,NDLASAW
stretchy="false">}
.