Study on microbial metabolic mechanism of activated sludge denitrification by A2O process under strong solar radiation in highland habitat
Abstract
The
effects
of
plateau
solar
radiation
on
microbial
abundance
and
diversity
metabolism
during
the
formal
operation
A2O
reactor
were
analyzed
by
running
three
parallel
units
with
radiation,
constant
temperature
room
laterally.
results
showed
that
when
reached
180th
day,
nitrogen
removal
effect
decreased
significantly
compared
in
general;
number
operational
taxonomic
(OTUs)
systems
1140,
972
1000,
an
increasing
trend
throughout
whole
process,
metabolic
function
dominant
genera
microorganisms
was
dominated
organic
matter
degradation,
denitrification
denitrogenation,
pathways
carbon
metabolism,
it
also
found
relative
denitrifying
bacteria
(DNB)
increased
increase
duration
exposure.
bacterial
system
lower
than
up
to
90
days,
some
common
sludge
suppressed
but
denitrification-related
their
functional
genes
instead
strengthened
reactor.
Research Square (Research Square), Год журнала: 2024, Номер unknown
Опубликована: Июнь 24, 2024
Язык: Английский