Method for recycling the water used in a process for recovering glass from municipal waste
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United States of America Patent
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Jun 30, 1981
Grant Date -
N/A
app pub date -
Nov 7, 1977
filing date -
Nov 7, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for efficiently recycling the water used in the various stages of a process for recovering glass from municipal trash. The invention comprises the separate treatment and recycling of the process water resulting from the first step separation of the incoming trash into a glass and inorganic constituent and an organic constituent for reuse in that step; the separate treatment and recycling of the process water emanating from the second step size classification to either the first or second steps; and, the treatment and recycling of the process water used in the froth flotation separation of the glass from the other inorganic constituents to any of the three steps in the process.
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