Method and apparatus for recovering water from a sewer main
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United States of America Patent
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-
Jun 8, 1999
Grant Date -
N/A
app pub date -
Sep 9, 1996
filing date -
Oct 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process and apparaus for recovery water from raw sewage extracted directly from the sewer including a screen(2) operable to obtain from raw sewage a screened effluent having a maximum particle size of no more than 900 microns. The apparatus also comprises a first membrane separator(5) which is operable to filter the suspended solids from some or all of the screened effluent. The process also includes a second membrane separator preferably in the form of reverse osmosis filter(8).
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