Method and apparatus for dewatering screenings
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United States of America Patent
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Feb 15, 1983
Grant Date -
N/A
app pub date -
Jan 26, 1981
filing date -
Jan 26, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and an apparatus for dewatering screenings collected at a sewage treatment plant or the like continuously and effectively by preliminary and secondary dewatering processes. Any alien substance mixed in the screenings such as stone, chips of wood, etc. which cannot be dewatered can be detected automatically and extracted immediately, without suspending the operation of the apparatus.
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