Process and apparatus for treating waste liquids
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United States of America Patent
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Nov 15, 1994
Grant Date -
N/A
app pub date -
Sep 30, 1993
filing date -
Oct 2, 1992
priority date (Note) -
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Abstract
Process for purifying and filtering fluids, especially water, containing suspended contaminants and using gravity separation means as well as membrane separation means, in a finishing stage, comprising the step of introducing a pulverulent reagent into the fluid stream to be treated downstream of the gravity separation and upstream of the membrane separation, wherein said pulverulent reagent is recycled from the purge of the membrane separation means to the upstream of the gravity separation means.
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