Method of and filter thickener for thickening of suspensions
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United States of America Patent
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-
Mar 25, 1986
Grant Date -
N/A
app pub date -
Jul 23, 1982
filing date -
Aug 4, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of and an arrangement for thickening of suspensions includes filtering of a suspension through candlelike filter elements in a filter container, backwashing the filter elements individually without interrupting the filtration process by applying pressure impulses of gaseous backwash medium to the pressure elements in a direction opposite to the filtration direction, wherein the gaseous backwash medium forms a gas chamber over the filter elements separated from the suspension fluid and having an adjustable pressure.
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