Apparatus for venting excess gas bubbles from a bubble contactor

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – With means applying electromagnetic wave energy or...

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Details

137527, 2611211, 422112, 422194, 435291, 435807, B01J 1000

Patent

active

052962008

ABSTRACT:
A venting apparatus for bubble contactor employed in liquid treatment apparatus for removing fuel constituents from water. The liquid treatment apparatus includes an oxygenator for dissolving oxygen in the water prior to its introduction into a biological fluid bed reactor to support biological action in the reactor. The oxygenator includes a bubble contactor having a bubble contact chamber, and a venting apparatus for venting the bubble contactor when the bubble swarm in the contact chamber grows too large. The venting apparatus includes a lower valve assembly including a valve having a float mechanism for sensing unacceptable accumulations of gas bubbles in the lower part of the bubble contactor, below the desired lower level of the contact zone. The float also functions to open the valve to release the excess undissolved gas. The valve remains closed under normal conditions when no excessive accumulation of gas bubbles exists in the lower part of the bubble contactor to prevent the needless waste of oxygen.

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