Water,
Journal Year:
2022,
Volume and Issue:
14(15), P. 2438 - 2438
Published: Aug. 6, 2022
Due
to
its
high
content
of
organics
and
nutrients,
swine
wastewater
has
become
one
the
main
environment
pollution
sources.
Exploring
high-efficient
technologies
for
treatment
is
urgent
becoming
a
hot
topic
in
recent
years.
The
present
study
introduces
anaerobic
membrane
bioreactor
(AnMBR)
efficient
wastewater,
compared
with
up-flow
sludge
blanket
(UASB)
as
traditional
system.
Pollutant
removal
performance,
methanogenic
properties,
microbial
community
structures
were
investigated
both
reactors.
Results
showed
that
by
intercepting
particulate
organics,
AnMBR
achieved
stable
much
higher
chemical
oxygen
demand
(COD)
rate
(approximately
90%)
than
UASB
(around
60%).
activity
sludge,
methane
yield
(0.23
L/g-COD)
was
UASB.
Microbial
structure
analysis
enrichment
functional
bacteria
can
remove
refractory
organic
matter
AnMBR,
which
promoted
conversion
processes.
In
addition,
obvious
accumulation
acetotrophic
hydrotrophic
methanogens
system
recorded,
could
broaden
degradation
pathways
methanogenesis
processes,
ensuring
yield.
Through
energy
balance
analysis,
results
concluded
net
recovery
efficiency
system,
indicating
applying
livestock
not
only
efficiently
pollutants,
but
also
significantly
enhance
recovery.
International Journal of Environmental Research and Public Health,
Journal Year:
2023,
Volume and Issue:
20(4), P. 3429 - 3429
Published: Feb. 15, 2023
Discharging
large
amounts
of
domestic
and
industrial
wastewater
drastically
increases
the
reactive
nitrogen
content
in
aquatic
ecosystems,
which
causes
severe
ecological
stress
biodiversity
loss.
This
paper
reviews
three
common
types
denitrification
processes,
including
physical,
chemical,
biological
mainly
focuses
on
membrane
technology
for
recovery.
The
applicable
conditions
effects
various
treatment
methods,
as
well
advantages,
disadvantages,
influencing
factors
technologies,
are
summarized.
Finally,
it
is
proposed
that
developing
effective
combinations
different
methods
researching
new
processes
with
high
efficiency,
economy,
energy
savings,
such
microbial
fuel
cells
anaerobic
osmotic
bioreactors,
research
development
directions
processes.
