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facultative pondsin a waste stabilisation pond system
for wastewater treatment, ponds that have oxygen at the top near the surface and are without
oxygen at the bottom of the pond (11) |
faecal coliformscoliform bacteria that originate from
faeces (2) |
filtrationseparation of solids from a liquid
using a filter (5) |
fine screens(in water treatment) steel bars with
a spacing of 5–20 mm (5) |
flash floodshort-duration flooding that
occurs due to sudden heavy rainfall that is unable to drain away into the
ground (14) |
flocculantchemical that assists the process of
flocculation (5) |
flocculationprocess whereby the size of particles
increases as a result of particles combining together (5) |
floodingabnormal rise in water level that can
cause damage (14) |
fluoridationaddition of fluoride to water (5) |
fluorosisabnormal human condition that results
from an excess of fluoride in the body (2) |
full cost recoverywhere both initial capital costs and
operation and maintenance (O&M) costs are all recouped (13) |