Single stream of air for separating mixed waste stream into three fractions
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United States of America Patent
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Oct 15, 2019
Grant Date -
Dec 6, 2018
app pub date -
Jun 2, 2017
filing date -
Jun 2, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Separation and classification equipment for separating a mixed waste stream into first, second and third fractions. The equipment comprises a feeding member for feeding the waste stream toward a gap and a blower for discharging a stream of air for mixing with the waste stream, as the waste stream falls through the gap. The first fraction falls through the stream of air and collects in a first collection area while the stream of air carries away the second and the third fractions. A rotatable permeable member is arranged to permit the stream of air to pass therethrough and thereby force and retain the third fraction against a surface of the rotatable permeable member and be conveyed, by the rotatable permeable member, toward a third collection area while the second fraction tends to separate, from the rotatable permeable member and the third fraction, and collect in a separate second collection area.
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