System and method for withdrawing permeate through a filter and for cleaning the filter in situ
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United States of America Patent
Stats
-
Dec 18, 2001
Grant Date -
N/A
app pub date -
Jun 10, 1999
filing date -
Jun 10, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system is provided for withdrawing permeate from a substrate through a filter and for cleaning the filter in situ. The system includes a vessel configured to contain a substrate and a compartment connected to receive substrate from the vessel and connected to return a portion of received substrate to the vessel during normal operation of the system. The system also includes a filter positioned at least partially within the compartment to withdraw permeate from substrate in the compartment during normal operation of the system. A source of cleaning solution is connected to the compartment to deliver cleaning solution into the compartment and into contact with the filter during cleaning operation of the system. The compartment facilitates circulation of substrate in the vessel during normal operation of the system and substantially prevents introduction of cleaning solution from the compartment into contact with substrate contained in the vessel during cleaning operation. A method is also provided.
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