Liquid purification or separation – Flow – fluid pressure or material level – responsive – Maintaining stream pressure or flow
Patent
1991-02-01
1993-07-13
Wyse, Thomas
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Maintaining stream pressure or flow
210150, 210151, 210201, 210218, C02F 306
Patent
active
052270513
ABSTRACT:
Waste liquid is cleaned or purified primarily by removing organic contaminants therefrom by combination of a floating filter layer and an anaerobic biological process. The floating filter layer consists of irregularly shaped small pieces of lipophilic substances such as polypropylene and other plastics, and the organic contaminants are on the one hand filtered by this floating filter layer, and on the other hand decomposed on the surface of the small pieces forming the floating filter layer through anaerobic biological process. The system of the present invention is economical to build, and can be used as a part of sewage and waste liquid processing installations either for industrial or for household use.
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Wyse Thomas
Zaidan Hojin Nanyo Kyokai
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