Wastewater treatment system including irradiation of primary solids

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United States of America Patent

PATENT NO 8440074
APP PUB NO 20110005284A1
SERIAL NO

12832723

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention provides a system and method for treating wastewater in which the majority of solids and biological oxygen demand compounds are separated from the wastewater feed using a primary separation process, to produce a solids phase and a water phase. The solids phase is irradiated to reduce the level of pathogens such that it is safe to use as a soil substitute and/or additive so that the solids can thus be disposed of in an environmentally-friendly manner. In additional embodiments, the solids that have been disinfected by radiation are mixed with a suitable inert filler material to produce a soil substitute, fertilizer, compost, or other soil additive. The liquid phase is treated in a substantially smaller system than would be required for treating the full-strength wastewater that can include a suspended media biological regeneration reactor system. The liquid treatment system can include a high flux adsorbent material treatment system integrated with a low flux adsorbent material biological regeneration reactor.

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Patent Owner(s)

  • SAUDI ARABIAN OIL COMPANY;SIEMENS ENERGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Conner, William G Dhahran, SA 15 91
Fageeha, Osama I Dhahran, SA 4 34
Schultz, Thomas E Waukesha, US 14 139

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