Agronomy,
Journal Year:
2024,
Volume and Issue:
14(5), P. 881 - 881
Published: April 23, 2024
Anaerobic
digestion
is
an
important
means
to
turn
agricultural
waste
into
resources
and
way
address
the
challenges
in
treating
vegetable
residues
China.
In
this
study,
co-digestion
of
dairy
manure
with
tomato
residue
was
investigated
clarify
effect
total
solids
(TS)
substrate
on
methane’s
production
mechanism
using
self-made
anaerobic
device.
The
results
showed
that
all
treatments
could
rapidly
ferment
methane
daily
a
trend
increasing
first
then
decreasing.
optimal
concentrations
for
liquid
(L-AD),
hemi-solid-state
(HSS-AD),
solid-state
(SS-AD)
were
10%,
18%,
25%,
respectively.
Compared
SS-AD
HSS-AD,
L-AD
gas
peaked
3–6
days
earlier.
Treatment
TS25
had
best
cumulative
production,
reaching
117.4
mL/g
VS.
However,
treatment
TS6
acid
accumulation
very
unstable
system.
higher
than
HSS-AD
L-AD.
Firmicutes
Bacteroidetes
dominant
flora,
Methanoculleus,
Methanosarcina,
Methanobrevibacter
main
archaeal
groups.
TS
significantly
changed
microbial
community
composition
system,
especially
low
treatment.
presented
herein
indicated
bacterial
thus
increase
from
6%
yield
increased.
