Method of producing a nitrification carrier containing...

Details Method of producing a nitrification carrier containing... Method of producing a nitrification carrier containing...

2006-11-16

2010-02-02

Naff, David M (Department: 1657)

Chemistry: molecular biology and microbiology

Process of utilizing an enzyme or micro-organism to destroy...

Destruction of hazardous or toxic waste

C210S601000, C435S180000, C435S182000, C435S395000, C435S289100, C435S800000

Reexamination Certificate

active

07655455

ABSTRACT:
Provided are a nitrite-type nitrification carrier and a method for producing the same and a method and an apparatus for removing nitrogen using the same, in which the quantity of organic matter to be added can be substantially reduced to reduce running cost. A method for producing a nitrite-type nitrification carrier in which ammonia-oxidizing bacteria for nitrifying ammonium to nitrite is preferentially accumulated comprises the steps of: entrapping and immobilizing any sludge selected from sediment from a lake, a river or the sea, soil from the surface of the earth, or activated sludge from a sewage-treatment plant into a monomer or a prepolymer for immobilizing microorganisms; and then subjecting the entrapped and immobilized sludge to heat treatment at 30 to 80° C.

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