Process and apparatus for the anaerobic treatment of waste water in a filter including granular material
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United States of America Patent
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Nov 13, 1984
Grant Date -
N/A
app pub date -
Sep 22, 1983
filing date -
Sep 28, 1982
priority date (Note) -
Expired
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Abstract
Waste water to be treated is introduced into a filter including granular material for supporting the biomass resulting from an anaerobic treatment operation. During such treatment operation biogas is formed, and the waste water being treated and the granular material supporting the biomass are continuously circulated by injecting a portion of the biogas into a tube extending vertically upwardly through the filter.
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