Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 9, 2024
Abstract
In
this
study,
the
efficacy
of
promising
iron—based
polymeric
inorganic
coagulant
(POFC)
was
assessed
for
reduction
eutrophication
effect
(freshwater
toxicity)
and
microbial
loads
from
wastewater.
Toxicity
assessment
POFC
conducted
on
mice
skin
cell
lines.
The
results
confirm
lower
toxicity
level
POFC.
showed
excellent
antibacterial
against
Gram-positive
Gram-negative
bacteria.
Moreover,
it
demonstrated
a
remarkable
effectiveness
black
fungus
such
as
Aspergillus
niger
Rhizopus
oryzae
.
Additionally,
antiviral
highly
pathogenic
H5N1
influenza
virus
well
Middle
East
respiratory
syndrome
coronavirus
(MERS-CoV)
severe
acute
2
(SARS-CoV-2).
POFC-based
treatment
gives
removal
percentages
phosphate,
phosphorus
at
doses
below
60
ppm
with
low
produced
sludge
volume
that
leads
to
84%
decrease
in
rate
freshwater
toxicity.
At
concentration
ppm,
rates
total
coliforms,
fecal
E.
coli
were
achieved.
After
coagulation,
retains
bacterial
density
due
activity
Furthermore,
revealed
observed
efficiencies
fungi
yeasts
reached
85%
dose
ppm.
Overall,
our
research
indicates
has
potential
application
pre-treatment
wastewater
serves
an
antimicrobial
agent.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
949, P. 175206 - 175206
Published: July 31, 2024
This
study
investigated
the
impact
of
residual
anaerobic
granular
sludge
(AnGS)
from
digesters
treating
molasses
wastewater
on
ammonium
reduction
in
a
downstream
aerobic
(AGS)
reactor.
Two
conditions
were
tested:
raw
(high
AnGS
concentration)
and
settled
(low
anaerobically
digested
wastewaters
fed
into
AGS
With
introduction
wastewater,
enhanced
nitrite
accumulation
at
30
%
improved
total
inorganic
nitrogen
(TIN)
removal
11
observed
compared
to
1
8
TIN
with
wastewater.
However,
adversely
affected
other
aspects
reactor
performance,
increasing
effluent
solid
content
decreasing
soluble
chemical
oxygen
demand
efficiency
20
low
condition
high
condition.
Despite
retention
reactor,
no
significant
bioaugmentation
effects
microbial
community
observed.
Aerobic
was
consistently
both
conditions.
The
suggests
that
may
act
as
nucleus
for
granule
formation,
helping
maintain
stability
disturbed
environment.
offers
systematic
understanding
subsequent
process
using
AGS,
aiding
decision
making
treatment
digestate.
