Engenharia Sanitaria e Ambiental,
Год журнала:
2024,
Номер
29
Опубликована: Янв. 1, 2024
Abstract
Biogas
production
through
co-digestion
of
two
or
more
waste
products
has
garnered
increasing
attention
from
researchers
seeking
to
optimize
this
process.
and
methane
increase
with
the
addition
glycerol
agro-industrial
wastes
during
anaerobic
biodigestion.
However,
utilization
a
two-phase
process
focused
on
hydrogen
not
been
widely
explored.
This
work
aims
evaluate
biodigestion
cassava
wastewater
by
adding
residual
swine
enhance
production.
A
pilot-scale
biodigester
was
used
acidogenic
phase
at
38.5°C,
containing
4%
glycerol.
The
effluent
submitted
methanogenic
treatment,
influence
temperature
(36.0
39.0°C)
sodium
bicarbonate
concentration
(2.0
6.0
g
L-1)
were
evaluated.
results
indicated
that
optimum
conditions
39.0°C
5.0
L-1.
produced
30.8
mL
(H2)
RCOD-1
104.5
(CH4)
RCOD-1.
Thus,
substrates
inoculum
adequate
for
process,
energetic
efficiency
due