Liquid purification or separation – Processes – Treatment by living organism
Reexamination Certificate
2008-07-22
2008-07-22
Upton, Christopher (Department: 1797)
Liquid purification or separation
Processes
Treatment by living organism
C210S620000, C210S151000, C210S220000, C210S260000
Reexamination Certificate
active
07402248
ABSTRACT:
A method and system for wastewater treatment includes flowing a quantity of a wastewater into a first microbubble chamber having a plurality of diffusers for injecting microbubbles into the wastewater to promote oxygenation. The microbubble includes activated sludge for treating the wastewater. The wastewater is then flowed from the first microbubble chamber through a plurality of rotating discs having a biofilm of microorganisms mounted thereon. The discs rotate about a shaft such that a portion of each disc is exposed to air during rotation. The wastewater is the flowed into a second microbubble chamber having a plurality of diffusers for injecting microbubbles into the wastewater. The treated wastewater is then recovered.
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Alvarez José Manuel
Cuenca Manuel Alvarez
Battison Adrian D.
Dupuis Ryan W.
Upton Christopher
Williams Michael R.
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