Membrane biofilm reactor method for reducing the...

Liquid purification or separation – Processes – Treatment by living organism

Reexamination Certificate

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C210S621000, C210S622000, C210S627000, C210S631000

Reexamination Certificate

active

07618537

ABSTRACT:
Apparatus and methods for water treatment are described, particularly for the simultaneous removal of nitrate, perchlorate, and other organic contaminates from contaminated water using a membrane biofilm reactor (MBfR).

REFERENCES:
patent: 4746435 (1988-05-01), Onishi et al.
patent: 6077429 (2000-06-01), Frankenberger, Jr. et al.
patent: 7491331 (2009-02-01), Rittmann et al.
patent: 2006/0292684 (2006-12-01), Bentley et al.
Achenbach, L.A. et al.,The Biochemistry and Genetics of Perchlorate Reduction, Chapter 12, 13 pages (2005).
Adham, S. et al., Membrane BioFilm Reactor Process for Nitrate and Perchlorate Removal in AWWA Research Foundation Report (2004).
Banaszak, J.E. et al., “Subsurface interactions of actinide species and microorganisms: implications on bioremediaiton of actinide-organic mixtures”,Journal of Radioanalytical and Nuclear Chemistry, 241(2):385-435 (1999).
City and County of San Francisco, Department of Public Health, Environmental Health, n-Nitrosodimethylamine (NDMA) White Paper, pp. 1-7 (Updated May 20, 2004).
Coates, J.D. and Achenbach, L.A.,The Microbiology of Perchlorate Reduction and Its Bioremediative Application, Chapter 11, 15 pages (2001).
Dries, D. et al., “Nitrate Removal From Drinking Water by Means of Hydrogenotrophic Denitrifiers in a Polyurethane Carrier Reactor”,Water Supply, 6(3):181-92 (1988).
Ergas, S.J. and Ruess, A.F., “Hydrogenotrophic Dentrification of Drinking Water Using a Hollow Fibre Membrane Bioreactor”,Journal of Water Supply Research and Technology-AQUA50(3):161-71 (2001).
Green, M. et al., “Kinetics of a Fluidized-Bed Reactor for Ground-Water Denitrification”,Applied Microbiology and Biotechnology, 43:188-93 (1995).
Klopffer, M.H. and Flaconneche, B., “Transport Properties of Gases in Polymers: Bibliographic Review”,Oil&Gas Science and Technology—Rev. IFP, 56(3 ):223-244 (2001).
Kurt, M. et al., “Biological Denitrification of Drinking Water Using Autotrophic Organisms with H2in a Fluidized-Bed Biofilm Reactor”, 29:493-501 (1987).
Lazarova, V.Z. et al., “Biofilm Performance of a Fluidized Bed Biofilm Reactor fro Drinking Water Denitrification”,Water Science Technology, 26(3-4):555-66 (1992).
Lee, K.C. and Rittmann, B.E., “A Novel Hollow-Fibre Membrane Biofilm Reactor for Autohydrogenotrophic Denitrification of Drinking Water”,Water Science and Technology, 41(4-5):219 -26 (2000).
Lee, K.C. and Rittmann, B.E., “Applying a novel autohydrogenotrophic hollow-fiber membrane biofilm reactor for denitrification of drinking water”,Water Research, 36:2040-52 (2002).
Liessens, J. et al., “Removing Nitrate with a Methylotrophic Fluidized Bed: Technology and Operating Performance”,Journal AWWA, 85:144-54 (1993).
Loach, P.A. and Fasman, G.D. (Eds.) Handbook of Biochemistry and Molecular Biology (3rd ed.), Physical and Chemical Data, vol. I, pp. 123-130, CRC Press (1976).
Mitch et al., “N-Nitrosodimethylamine (NDMA) as a Drinking Water Contaminant: A Review”,Environmental Engineering Science, 20(5):389-404 (2003).
Nozawa-Inoue et al., “Reduction of Perchlorate and Nitarte by Microbial Communities in Vadose Soil”,Applied and Environmental Microbiology, 71(7):3928-3934 (2005).
Nerenberg, R., “Perchlorate removal from drinking water with a hydrogen-based, hollow-fiber membrane biofilm reactor”, Ph.D. Dissertation at Northwestern University (2003).
Nerenberg, R. et al., “Perchlorate Reduction in a Hydrogen-Based Membrane-Biofilm Reactor”,Journal AWWA, 94:103-14 (2002).
Environmental Protection Agency, EPA, Perchlorate Treatment Technology Update, Federal Facilities Forum Issue Paper, 82 pages, (May 2005).
Rittmann, B. E.,The Handbook of Environmental Chemistry, “Fundamentals and Application of Biofilm Processes in Drinking-Water Treatment”, Editor J. Hrubek. 5B:61-74 (1995).
Soares, M.I.M. and Abeliovich, A., “Wheat Straw as Substrate for Water Denitrification”,Water Research, 32(12):3790-94 (1998).
Urbain, V. et al., “Membrane Bioreactor: A New Treatment Tool”,Journal AWWA, 88:75-86 (1996).
Xu, J. et al. “Microbial Degradation of Perchlorate: Principles and Applications”,Environmental Engineering Science, 20:405-22 (2003).
Xu, J. et al. Chlorate and Nitrate Reduction Pathways are Separately Induced in the Perchlorate-Respiring BacteriumDeschlorosomasp. KJ and the Chorate-Respiring bacteriumPseudomonassp. PDA,Water Research, 38:673-680 (2004).
Chung, J. et al., “Simultaneous bio-reduction of nitrate, perchlorate, selenate, chromate, arsenate, and dibromochloropropane using a hydrogen-based membrane biofilm reactor”,Biodegradation, 18(2):199-209 (2006).
Chung, J. et al., “Bio-reduction of N-nitrosodimethylamine (NDMA) using a hydrogen-based membrane biofilm reactor”,Chemosphere, 70(3) :516-520 (2008).
The International Search Report and Written Opinion for PCT application PCT/US2008/004147, search report dated Nov. 25, 2008, 17 pages (2008).
Gunnison, D. et al., “Attenuation mechanisms of N-nitrosodimethylamine at an operating intercept and treat groundwater remediation system”,Journal of Hazardous Materials, 73(2):179-197 (2000).
Nerenberg, R., “Membrane Biofilm Reactors for Water and Wastewater Treatment”, 2005 Borchardt Conference: A seminar on Advances in water and Wastewater Treatment, Conference Proceedings, Feb. 25, 2005, pp. 1-20 (2005).
Rittman, B.E. et al., “Hydrogen-Based Hollow-Fiber Membrane Biofilm Reactor (MBfR) for Removing Oxidized Contaminants”,Water Science and Technology: Water Supply, 4:127-133 (2004).

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