Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 27, 2025
Abstract
Olive
mill
wastewater
(OMW)
is
the
main
effluent
resulting
in
huge
amounts
from
olive
oil
manufacturing.
This
mostly
composed
of
organic
matter
and
polyphenolic
compounds,
known
for
their
antimicrobial
activity
compromise
biological
treatment.
work
investigates
impact
co-digestion
with
fruits
vegetable
waste
(FVW),
fish
(FW),
cow
dung
(CD)
under
mesophilic
conditions
at
two
different
inoculum-to-substrate
ratios.
The
effect
on
biomethane
yield,
volatile
solids
reduction,
polyphenol
removal
efficiency
were
evaluated.
Moreover,
kinetic
modeling
was
applied
to
describe
production.
OMW
CD
an
I/S
ratio
2:1,
a
mixture
consisting
33%
OMW,
FVW,
FW
3:1
achieved
yields
155.00
NmLCH4
gVS−
1
132.20
1,
respectively
after
49-day
retention
time
37°C
whereas
mono-digestion
completely
inhibited.
These
treatments
demonstrated
strong
performance
terms
removal,
achieving
rates
76%,
81%,
95%
84%,
respectively.
Similarly,
logistic
function
model
provided
good
fit
predicting
production,
high
R²
values
0.9941
0.9930,
