Process and apparatus for waste water treatment

Details Process and apparatus for waste water treatment Process and apparatus for waste water treatment

2006-12-05

2006-12-05

Smith, Duane (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S620000, C210S139000, C210S209000, C210S630000, C210S605000, C210S903000, C210S909000, C210S908000, C210S904000

Reexamination Certificate

active

07144509

ABSTRACT:
Method and apparatus for treating contaminants in water under anaerobic conditions is disclosed. The method includes adding to contaminated water a composition including an aqueous mixture of at least one carbohydrate and at least one alcohol and/or bacteriastat. The apparatus includes a source of growing nitrifying bacteria effective for treating contaminants under aerobic conditions, a source of growing bacteria effective for denitrification under anaerobic conditions, and a controller for introducing the growing bacteria in a predetermined amount over a predetermined period of time.

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