Apparatus and methods for water treatment

Liquid purification or separation – Processes – Separating

Reexamination Certificate

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C210S500230

Reexamination Certificate

active

07910009

ABSTRACT:
An apparatus and method for treatment of water borne oxidized contaminants, using hydrogen as an electron donor for denitrification and reduction of other oxidized contaminants. Preliminary results reported here show that a biofilm of autotrophic denitrifiers accumulates rapidly in the wastewater setting, the MBfR can drive NO3−concentrations below 1 mgN/L, and the H2pressure controls the NO3−flux.

REFERENCES:
patent: 5332498 (1994-07-01), Rogut
patent: 5395525 (1995-03-01), Takano et al.
patent: 5695634 (1997-12-01), Neuenfeldt et al.
patent: 5796799 (1998-08-01), Kobayashi et al.
patent: 6350385 (2002-02-01), Holt et al.
patent: 6767464 (2004-07-01), Boyd et al.
patent: 6800207 (2004-10-01), Holt et al.
patent: 6852236 (2005-02-01), Holt et al.
patent: 7122115 (2006-10-01), Holt et al.
patent: 7632415 (2009-12-01), Rittmann et al.
patent: 2005/0148748 (2005-07-01), Tanaka et al.
patent: 2006/0144777 (2006-07-01), Kumano et al.
Cowman, J; Torres, C; and Rittmann, B; Total Nitrogen Removal in an Aerobic and Anoxic Membrane Biofilm Reactor System; Environmental Engineering and Science Program, Northwestern University, Evanston, Illinois, Apr. 27, 2004.
Rittmann, B; Nerenberg, R; Stinson, B; Katehis, D; Leong, E; and Anderson, J; Hydrogen-Based Membrane Biolfilm Reactor for Wastewater Treatment; Northwestern University, Departmnt of Civil and Environmental Engineering, Evanston, Illinois.
Nerenberg, R; Rittmann, B; Gillogly, T; Lehman, GE; and Adham, SS; Perchlorate Reduction Using a Hollow-Fiber Membrane Biofilm Reactor: Kinetics, Microbial Ecology, and Pilot-Scale Studies; Northwestern University, Evanston, Illinois.
Nerenberg, R; Rittmann, B; and Najm, I; Perchlorate Reduction in a Hydrogen-Based Membrane-Biofilm Reactor; Journal AWWA, 94:11, Nov. 2002.
Lee, KC; and Rittmann, B; Applying a novel autohydrogenotrophic hollow-fiber membrane biofilm reactor for denitrification of drinking water; Water Research 36, 2002, 2040-2052.
Lee, KC; and Rittmann, B; Effects of pH and precipitation on autohydrogenotrophic denitrification using the hollow-fiber membrane-biofilm reactor; Water Research 37, 2003, 1551-1556.
Lee, KC; and Rittmann, B; A novel hollow-fibre membrane biofilm reactor for autohydrogenotrophic denitrification of drinking water; Water Science and Technology, vol. 41, No. 4-5, 219-226, 2000.

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