Liquid purification or separation – With means to add treating material – Directly applied to separator
Reexamination Certificate
2008-06-17
2008-06-17
Barry, Chester T. (Department: 1797)
Liquid purification or separation
With means to add treating material
Directly applied to separator
C210S500240
Reexamination Certificate
active
07387723
ABSTRACT:
The invention relates to a membrane bioreactor process combined with an advanced biological sludge digestion process that provides significant improvements in sludge digestion by reducing the costs and resources required for disposing of digested sludge. The offline treatment vessel is used to solubilize the organic material by operating in a very low oxygen environment. Digested process fluid is transferred back to the membrane bioreactor. The processes and apparatus substantially reduce the production of waste sludge.
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Barry Chester T.
Siemens Water Technologies Corp.
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