Wastewater treatment plant, aerated activated sludge tank.
Keywords
waste,
environment,
sewage,
water,
treatment,
plant,
pollution,
industrial,
ecology,
tank,
industry,
factory,
recycling,
environmental,
sewer,
dirty,
purification,
technology,
clean,
sludge,
storage,
system,
effluent,
purity,
reusing,
filtration,
purified,
sewerage,
facility,
round,
pipe,
sanitary,
reservoir,
pool,
flow,
conservation,
process,
liquid,
biology,
construction,
recycled,
separation,
biological,
tube,
sanitation,
engineering,
urban