Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 1, 2024
Reducing
greenhouse
gas
(GHG)
emissions
to
address
climate
change
is
a
global
consensus,
and
municipal
wastewater
treatment
plants
(MWWTPs)
should
lead
the
way
in
low-carbon
sustainable
development.
However,
achieving
effluent
discharge
standards
often
requires
considerable
energy
chemical
consumption
during
operation,
resulting
significant
carbon
footprints.
In
this
study,
GHG
are
systematically
accounted
for,
driving
factors
of
footprint
growth
China's
MWWTPs
explored.
2020,
total
41.9
million
tons
(Mt)
dioxide
equivalent
(CO2-eq)
were
released
by
sector,
with
nearly
two-thirds
being
indirect
from
material
usage.
The
intensity
electricity,
source,
phosphorus
removing
agent
increasingly
influence
over
time.
Through
statistical
inference,
benchmarks
for
electricity
established
across
all
under
various
operational
conditions,
potential
mitigation
through
more
efficient
utilization
calculated.
results
suggest
that
many
offer
opportunities
emission
reduction.
Consequently,
empirical
decarbonization
measures,
including
intelligent
device
control,
optimization
aeration
equipment,
recovery
initiatives,
other
enhancements
improve
efficiency,
recommended.
