Water,
Journal Year:
2023,
Volume and Issue:
15(16), P. 2916 - 2916
Published: Aug. 12, 2023
In
order
to
explore
bacteria
resources
that
are
applicable
for
purification
of
viaduct
rainwater,
a
carbon-fixing
strain
numbered
1C-1
was
isolated
from
the
sediment
rainwater
tank.
The
identified
through
morphological
characteristics
and
16S
rDNA
sequences.
effects
three
main
factors
(the
simulated
concentration,
carbon
source
dosage,
inoculation
amount)
on
nitrogen
phosphorus
removal
rate
were
tested
using
rainwater.
Based
this,
efficiencies
actual
verified.
results
showed
belonged
Streptomyces
sp.
Under
different
concentrations,
exhibited
relatively
high
efficiency
at
original
concentration
rainwater;
other
conditions
remaining
unchanged,
when
glucose
dosage
800
mg,
rates
ammonia
(NH4+-N),
total
(TN),
(TP)
71.48%,
47.86%,
10.43%,
respectively;
amount
1%,
NH4+-N,
TN,
TP
reached
58.62%,
58.35%,
27.32%,
respectively.
above
optimal
process
an
removed
92.62%,
6.98%,
6.16%
TP,
respectively
more
interestingly,
NH4+-N
TN
43.26%
78.02%,
respectively,
even
without
addition.
It
seems
there
is
no
need
addition
remove
strain.
To
sum
up,
presents
obvious
effect
(especially
nitrogen)
treatment
has
application
potential.
Water,
Journal Year:
2024,
Volume and Issue:
16(24), P. 3706 - 3706
Published: Dec. 22, 2024
Constructed
wetland
(CW)
is
a
critical
ecological
engineering
for
wastewater
treatment
and
improvement
of
water
quality.
Nitrogen
(N)
removal
one
the
vital
functions
CWs
during
operation,
N
in
mainly
affected
by
aquatic
plants
denitrification
carried
out
microbes.
However,
due
to
their
low
efficiency
instability
removal,
further
applications
are
limited.
The
review
provides
view
two
basic
characteristics
plants,
radial
oxygen
loss
(ROL)
root
exudates,
coupled
effect
on
processes
CWs.
First,
role
presented.
individual
roles
ROL
exudates
regulating
denitrification,
as
well
interaction
this
process,
have
been
discussed.
Also,
limitation
conventional
techniques
reveal
between
plant
microbes
has
highlighted.
Further
research
coupling
regulatory
mechanisms
may
be
conducted
develop
an
optimal
design
improve
biological
removal.
This
offers
new
insights
directions
improving
utilizing
synergistic
effects
exudates.
Water,
Journal Year:
2023,
Volume and Issue:
15(16), P. 2916 - 2916
Published: Aug. 12, 2023
In
order
to
explore
bacteria
resources
that
are
applicable
for
purification
of
viaduct
rainwater,
a
carbon-fixing
strain
numbered
1C-1
was
isolated
from
the
sediment
rainwater
tank.
The
identified
through
morphological
characteristics
and
16S
rDNA
sequences.
effects
three
main
factors
(the
simulated
concentration,
carbon
source
dosage,
inoculation
amount)
on
nitrogen
phosphorus
removal
rate
were
tested
using
rainwater.
Based
this,
efficiencies
actual
verified.
results
showed
belonged
Streptomyces
sp.
Under
different
concentrations,
exhibited
relatively
high
efficiency
at
original
concentration
rainwater;
other
conditions
remaining
unchanged,
when
glucose
dosage
800
mg,
rates
ammonia
(NH4+-N),
total
(TN),
(TP)
71.48%,
47.86%,
10.43%,
respectively;
amount
1%,
NH4+-N,
TN,
TP
reached
58.62%,
58.35%,
27.32%,
respectively.
above
optimal
process
an
removed
92.62%,
6.98%,
6.16%
TP,
respectively
more
interestingly,
NH4+-N
TN
43.26%
78.02%,
respectively,
even
without
addition.
It
seems
there
is
no
need
addition
remove
strain.
To
sum
up,
presents
obvious
effect
(especially
nitrogen)
treatment
has
application
potential.
