Liquid purification or separation – Processes – Chemical treatment
Patent
1985-09-30
1990-03-06
Wyse, Tom
Liquid purification or separation
Processes
Chemical treatment
134 29, 134170, 261122, C02F 320
Patent
active
RE0331775
ABSTRACT:
Cleaning of multi-pore diffusion elements in place with cleaning gases while submerged in liquid media by applying said cleaning gases intermittently or continuously to said diffusion elements between predetermined limits of operating pressure and flow through flow regulation means and plenums for the respective diffusion elements.
REFERENCES:
patent: T975002 (1978-10-01), Linda
patent: 2318728 (1943-05-01), Werking
patent: 2346367 (1944-04-01), Durdin, 3rd
patent: 2684330 (1954-07-01), French
patent: 2686138 (1954-08-01), Klein
patent: 2686139 (1954-08-01), Lamb et al.
patent: 2689714 (1954-09-01), French
patent: 2771416 (1956-11-01), Ryan
patent: 2774585 (1956-12-01), Wirts
patent: 2815943 (1957-12-01), Lamb
patent: 2826209 (1958-03-01), Klein et al.
patent: 2947525 (1960-08-01), Klein
patent: 3206178 (1965-09-01), Lamb
patent: 3293861 (1966-12-01), Hinde
patent: 3315895 (1967-04-01), Klingbeil et al.
patent: 3416776 (1968-12-01), Gamer
patent: 3522093 (1970-07-01), Woolman
patent: 3532272 (1970-10-01), Branton
patent: 3711072 (1973-01-01), Waldenville
patent: 3837629 (1974-09-01), Matras
patent: 3880965 (1975-04-01), Dudis et al.
patent: 3881872 (1975-05-01), Naono
patent: 3911068 (1975-10-01), Hamilton
patent: 3970731 (1976-07-01), Oksman
patent: 3983031 (1976-09-01), Kirk
patent: 4007240 (1977-02-01), Gosden
patent: 4046845 (1977-09-01), Veeder
patent: 4132637 (1979-01-01), Key et al.
patent: 4261932 (1981-04-01), Ewing et al.
patent: 4261933 (1981-04-01), Ewing et al.
patent: 4288394 (1981-09-01), Ewing et al.
patent: 4288395 (1981-09-01), Ewing et al.
patent: 4402758 (1983-09-01), Hobbs
patent: 4451373 (1984-05-01), Thayer
Manual of Practice No. 5, Federation of Sewage and Industrial Wastes Associations, 1971, pp. 65-74.
Hydroceramic Co. literature carrying a 1978 copyright date; p. 1, Forward; p. 42, Appendix; Cover sheet identified as Hydroceramic & G. A. Boulier, Appendix A.
The Lasaire System Diffuser Maintenance, pp. 1-7.
Setter et al., "Experimental Laundering of Air Diffuser Plates," Sewage Works Journal, Sep. 1945, pp. 867-877.
Setter, "Air Diffusion Problems at Activated Sludge Plants," Water and Sewage Works, Dec. 1948, pp. 450-456.
Lamb, "Designing and Maintaining Porous Tube Diffusers," Wastes Engineering, Sep. 1954, pp. 405-411.
Morgan, "Clogging Studies of Fine Bubble Diffuser Media," Sewage and Industrial Wastes, Feb. 1959, pp. 153-163.
Franklin, "Purging Diffuser Plate with Chlorine," Water Works and Sewerage, Jun. 1939, pp. 232-233.
Jackson, "Maintaining Open Diffuser Plates with Chlorine," Water Works and Sewerage, Sep. 1942, pp. 380-382.
Manual of Practice No. 5, Federation of Sewage and Industrial Waste Associations, 1952, pp. 48-62.
Beck, "Diffuser Plate Studies," Sewage Works Journal, Jan. 1936, pp. 22-37.
Airam Oy Opposition document, Notice of Opposition Against A European Patent, dated Mar. 14, 1988; Annex 1, "Facts and Arguments", Annex 2, Items 6-11 of documentary prior art (listing); Claims from EPO Patent 0 049 154, Claims 1-50, pp. 1-11.
English translation of Finnish Pat. Appln. 833,316 by Bretscher et al., assignors to Oy Nokia AB, Helsinki, Finland, filed Sep. 16, 1983.
Office Action dated Mar. 13, 1984 (from file of Bretscher et al. U.S. Ser. No. 532,564).
Office Action dated Jan. 3, 1985 (from file of Bretscher et al. U.S. Ser. No. 588,070).
Office Action of Aug. 14, 1985 issued in Finnish Appln. 833,316 of Bretscher et al. (Translation).
Response to Aug. 14, 1985 Office Action, Translation.
Brenner, R. C. et al., "Status of Fine Pore Aeration in The United States", 11th U.S./Japan Conference on Sewage Treatment Technology, Tokyo, Japan, Oct. 12-14, 1987.
Marx, James J. et al., "Full Scale Comparison of Ceramic Disk and Flexible Membrane Tube Diffusers," 60th Annual Conference of the Water Pollution Control Federation, Philadelphia, Oct. 7, 1987.
Stenstrom, Michael K., Letter dated Apr. 11, 1988 to Jerome D. Wren, w/copies of overhead slides "The Los Angeles Studies", exhibited to Steering Committee of the ASCE Committee on Oxygen Transfer, Phoenix, Ariz.
Stenstrom, M. K., Letter dated Jul. 8, 1988 w/attachment to J. D. Wren.
Houck, Daniel, "Survey and Evaluation of Porous Polyethylene Media Fine Bubble Tube and Disk Aerators," ASCE/EPA Aeration Project, Mar. 3, 1988, Cover, Contents, Figures, Tables, pp. 1-68.
Statement of James A. Tarbell, executed Mar. 27, 1989 with Exhibits A-A.
Allbaugh, Thomas A., et al., Aeration System Design Using Offgas Oxygen Transfer Testing, City of Lansing, Mich., undated.
Bretscher, U., et al., The Cleaning of Wastewater Aerators GWF-Wasser/Abwasser, vol. 6, No. 124, pp. 273-277, Water and Wastewater, 1983.
Chasick, A. H., Plant Test of Sparger and Tube Types of Diffusers, Conference on Biological Waste Treatment, Manhattan College, Apr. 20-22, 1960.
Garnard, A., Project Manager for City of Albuquerque, Letter to Water Pollution Control Corporation, Fine Bubble Aeration System at Albuquerque's Southside Water Reclamation Plant, Mar. 26, 1985.
Garnard, A., Project Manager City of Albuquerque, Letter to McMahan & Associates, Inc., Albuquerque Southside Water Reclamation Plant Fine Bubble Aeration System, Jan. 16, 1986.
Gibbon, Donald L., Aeration of Activated Sludge in Sewage Treatment, Pergammon, pp. 1-24, 65 & 80, Table 8, 89-90, Tables 1A-4D, pp. 115-118 (Appendix A), 1974.
Gregory, M. H., et al., Evaluation of a Fine Bubble Dome Diffusion Aeration System in Paper Mill Waste, TAPPI Proceedings, 1985, Environmental Conference, Mobile, Ala., Apr. 22-24, 1985.
Hardie, Michael G., Zimpro, Inc., Letter to L. Ewing, Ewing Engineering Company, Marox Open Tank Oxygenation Process, undated.
Hinde Engineering Company, Waste treatment system meets O-discharge goal and fertilizes farmland at low cost, Construction Digest, Nov. 27, 1975 (reprint of article).
Hinde Engineering Company, Air-Aqua Controlled Aeration Systems, Engineers Design Manual, p. 26, 1980.
Hobbs, M. F., Ser. No. 186,085, filed Sep. 11, 1980, Abandoned (Copies of specification, claims & drawings).
Houck, Daniel F., et al., Survey and Evaluation of Fine Bubble Dome Diffuser Aeration Equipment, In fulfilllment of grant from Assn. of Metro, Sewerage Agencies & British Water Research Centre Under Partial sponsorship of U.S. EPA, 1981, pp. 5, 41-49, 72, 74, 91-93, 103, 105, 110, 157, 59, 161, 162, 164, 168-169, 171, 173-174.
Lagoon Aeration Corporation, The Lasaire System, Operation & Maintenance, pp. 8-1-8-11, undated.
Long, S., M.S., P.E., Low-pressure aeration reduces odor, COD of complex mixture, Chemical Processing, May 1978 (reprint).
Laukkarinen, T., Nokia Metal Products, Ltr. to Water Pollution Control Corporation, Jul. 1, 1983 w/enclosures, Nokia Diffusers for Waste Water Aeration (in English); Nokia Micro-Bubble Aerators HKP 600 and HKL 210, printed in Finland (in English), 9. 73; Nokian Ratkaisut Jateveden Ilmastukssen (in Finnish), 00. 2.77. U.K.
MOP 5-52; Federation of Sewage and Industrial Wastes Associations, Air Diffusion in Sewage Works, Manual of Practice No. 5, p. 1-48, 1952.
MOP 5-71; Water Pollution Control Federation, Aeration in Wastewater Treatment, WPCF Manual of Practice No. 5, pp. 9-13, 29-42, 63-74, 1971.
Roe, Frank C., Servicing of Porous Air Diffusers, Water Works and Sewerage Reference and Data Section, 1939.
Schade, Willard F., et al., Diffuser Plate Cleaning Versus Compressed Air Cost, presented at Ohio Conference on Sewage Treatment, Mansfield, Ohio, Sep. 18-19, 1941, Sewage Works Journal, vol. 14, No. 1, Jan. 1942.
Vik, Thomas E., et al., Full Scale Operating Experience Utilizing Fine Bubble Ceramic Aeration With In Place Gas Cleaning at Seymour, Wisc., presented at 57th Annual Meeting Central States Water Pollution Control Association, Inc., May 1984.
Thayer, P. M., Ser. No. 140,533, filed Apr. 14, 1980, Abandoned, Specification and drawings.
EPO Application 81 304 493 0-Official Search Report Apr. 7, 1982.
MOP 5-51, pp. 44-47 (cited in official search report).
Journal of WPCF, vol. 46 (1974), pp. 895-910; (cited in official search report).
EPO Office Action of Aug. 9, 1983.
Associate's Covering Letter and response
Ewing Lloyd
Redmon David T.
Schmit Frank L.
Water Pollution Control Corporation
Wyse Tom
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