British Universities Film & Video Council

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  1. Froth Flotation (1969 Video)

    Director
    Trevor A Scott
    Producer
    Michael Clarke
    Subject
    Technology
    Distribution
    Sale, Videocassette. Standard formats b&w. 17 min.

    Explains the technique of froth flotation used in concentrating minerals from low-grade ores. Hydrophobicity and flotation are shown at laboratory scale, then at pilot-plant scale, finally in industrial...

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  2. Copper Resources and Reserves (1985 Video)

    Subject
    Environmental science; Geology
    Distribution
    Sale, Videocassette. Standard formats. col. 25 min., 1998 sale: £55.00 (+VAT +p&p)

    Traces the history of copper extraction from Roman times to the end of the 19th century, and then looks at copper demand in the 20th century and how new technologies such as froth flotation enable copper to...

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