Denitrification of aquarium water

Details Denitrification of aquarium water Denitrification of aquarium water

2007-07-17

2007-07-17

Barry, Chester T. (Department: 1724)

Liquid purification or separation

Processes

Treatment by living organism

C210S615000, C210S617000, C210S616000, C210S620000

Reexamination Certificate

active

10475482

ABSTRACT:
The invention relates to agents for the removal or reduction of inorganic nitrogen compounds, especially nitrate, from biological aquarium waters, containing a biologically degradable polymer, preferably polycaprolactone (PCL) and to the utilization of said agents.

REFERENCES:
patent: 4265751 (1981-05-01), Willinger
patent: 5316832 (1994-05-01), Groten et al.
patent: 35 16 617 (1986-11-01), None
patent: 198 13 022 (1999-09-01), None
patent: 10-165177 (1998-06-01), None
patent: 10-165733 (1998-06-01), None
A. Boley, W.R. Muller, G. Haider: “Biodegradable polymers as solid substrate and biofilm carrier for denitrification in recirculated aquacultrure systems” Aquacultral Engineering, Bd. 22, (2000) 75-85, SP002217355, Elsevier Science B.V.

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