Liquid purification or separation – Serially connected distinct treating with or without storage... – With pump – gas pressure or vacuum source
Patent
1992-07-07
1993-07-13
Sever, Frank
Liquid purification or separation
Serially connected distinct treating with or without storage...
With pump, gas pressure or vacuum source
2104161, B01D 2900
Patent
active
052270602
ABSTRACT:
As shown in FIGS. 8 and 9, the instant invention provides a concave filter 530 which comprises two oppositely disposed geotextile fabric sheets 560A and 560B. Fabric sheets 560A and 560B are porous for filtering the liquid from the slurry solids and may be fabricated from a geotextile material such as the material composing filter sheets 330a and 330b (see FIG. 4). Disposed between fabric sheets 560A and 560B is at least one drainage grid 350 such as the drainage grid 350 illustrated in FIGS. 4 and 4A.
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U.S. Statutory Invention Registration, Registration No. H152, Lampe, Publication date Nov. 4, 1986.
Exhibit 1: A technical paper titled "Dewatering Radioactive Resins & Filer Sludge, A Vacuum Compression System" by J. C. Homer and S. B. McCoy allegedly presented at a Mar., 1987 symposium.
Exhibit 2: A technical paper titled "Dewatering Radioactive Resins & Filer Sludge, A Vacuum Compression System" by J. C. Homer and S. B. McCoy. This paper is allegedly an updated version of the technical paper presented as Exhibit 1.
Exhibit 3: Electronic Mail message from D. A. Zigelman to J. Thomas, Subject: Customer Contact Report dated Feb. 25, 1988.
Co-pending application "Volumetrically Efficient Container Apparatus" by Bryan A. Roy et al., U.S. Ser. No. 07/283,412, filed Dec. 12, 1988.
Marketing brochure "Radioactive Dewatering Services" authored by Hittman Nuclear Incorporated, distributed to potential customers approximately Mar., 1988.
Marketing brochure "Radioactive Waste Solidification Services" authored by Hittman Nuclear Incorporated, distributed to potential customers approximately, Mar. 1988.
Letter with attached document from Ronald A. Sharp, Senior Technical Representative, Hittman Nuclear to S. L. Mills, Cleveland Electric Illuminating Company dated Nov. 13, 1987.
Boris Gregory F.
Campbell John J.
Funk John G.
Gibson James D.
McCauley Robert M.
Sever Frank
Stevens Walter S.
Westinghouse Electric Corp.
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