Clarification of suspensions
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United States of America Patent
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Aug 11, 2015
Grant Date -
Dec 16, 2010
app pub date -
Jun 16, 2009
filing date -
Jun 16, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A clarification system may comprise a channel having an inlet and an outlet, a length, bottom, and a height sufficient to contain a liquid having a depth. The clarification system may include one or more gas injectors disposed within the channel, configured to inject gas bubbles into a suspension flowing in the channel. In some embodiments, at least one gas injector injects gas bubbles having average or median size that does not exceed 100 microns in diameter. Some gas injectors inject bubbles having mean size below 50 microns. Some gas injectors inject gas via the precipitation of gas bubbles from a supersaturated liquid including a dissolved gas. Certain embodiments may be configured to form a quiet zone, typically near the top of the flowing suspension, in which turbulence may be minimized or substantially eliminated. Certain systems include a plurality of gas injectors disposed at different lengths along the channel.
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International Classification(s)
- B03D:FLOTATION; DIFFERENTIAL SEDIMENTATION
- C12N:MICRO-ORGANISMS OR ENZYMES; COMPOSITIONS THEREOF
- C12M:APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY
- A01H:NEW PLANTS OR PROCESSES FOR OBTAINING THEM; PLANT ....
- A01G:HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, ....
- C02F:TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE....
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