Phytohormone
gibberellins
(GAs)
were
utilized
to
enhance
the
removal
of
tetracycline
antibiotics
and
nutrients
from
swine
wastewater
by
different
algal-bacterial
symbiosis.
Compared
microalgae
monoculture,
microalgae-activated
sludge,
microalgae-Bacillus
licheniformis,
microalgae-endophytic
bacteria
showed
better
growth,
photosynthetic,
purification
performance.
At
50
mg
L-1
GAs
addition
concentration,
specific
growth
rate
Chlorella
vulgaris-endophytic
bacterial
(S395-2)
system
was
0.331
±
0.03
d-1,
maximum
(TC),
total
nitrogen
(TN)
phosphorus
(TP)
96.31
2.73%,
86.37
8.31%
87.26
8.42%,
respectively.
The
effect
much
higher
than
level
monoculture
without
(TC
81.33
7.71%,
TN
TP
62.51
5.95%
64.25
6.13%,
respectively).
In
summary,
exogenous
simultaneously
promoted
resistance
biomass
accumulation
algal
symbiosis,
which
supplied
a
theoretical
foundation
for
treatment
high-concentration
wastewater.
