In the Soviet Union considerable success has been achieved in the elimination of poisonous substances from the Moskva river -- Moscow's main waterway -- to extent that, like London's river Thames, fish have started to re-appear in it again.
GV PULL OUT TO LV Moskva river, Moscow
GV PAN Kuryanovo purification plant (2 shots)
CU PULL OUT TO GV Water purification installations and filters (2 shots)
GV INT Purification plant (2 shots)
GV EXT Reservoirs and purification plant (2 shots)
GV PAN River
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Background: In the Soviet Union considerable success has been achieved in the elimination of poisonous substances from the Moskva river -- Moscow's main waterway -- to extent that, like London's river Thames, fish have started to re-appear in it again.
SYNOPSIS: The problem of industrial pollution of the Moskva was tackled at the Kuryanovo aeration plant -- the largest installation of its type in Europe. Situated on an area covering 160 hectares, (395 acres) the station processes 2.5 million litres of sewage water every day. Biological, mechanical and chemical purification are all involved in the process -- first sewage water is filtered and pumped into settling tanks. It is then channelled into aeration tanks, where micro-organisms destroy all poisons.
After another settling period the water emerges free from all poisonous substances and is outwardly indistinguishable from ordinary river water -- in this state is flows back into the river.
An experimental installation at Kuryanovo also supplies purified water to three major factories in Moscow. The Soviet authorities say that in future more plants like this will be built, making it possible to create an industrial water supply system for Moscow. In this way the amount of drinking water used by industry will be substantially reduced.