发明名称 APPARATUS FOR DEWATERING PREVIOUSLY-DEWATERED MUNICIPAL WASTE-WATER SLUDGES USING HIGH ELECTRICAL VOLTAGE
摘要 The present invention is directed to a pulsed electric-field system, apparatus and method for the effective disinfecting and dewatering previously-dewatered, biologically active waste-water sludges (e.g., municipal waste-water sludge) in an efficient manner, so as to dramatically reduce the resulting volume of the inert waste material which has to be disposed of by the municipality. The method employed sequentially consists of hydraulically pressurizing (24, 26) the previously dewatered sludge, pre-heating (32) the previously dewatered sludge to a predetermined temperature range, exposing the previously dewatered sludge to high energy pulsing electrical discharges (42), pressure separation (52) of the resulting solids and liquid fraction, and final pressure extrusion (70) of the separated solids through nozzles.
申请公布号 WO9924372(A1) 申请公布日期 1999.05.20
申请号 WO1997US20631 申请日期 1997.11.12
申请人 HELD, JEFFERY, S. 发明人 HELD, JEFFERY, S.
分类号 C02F1/00;C02F1/46;C02F1/461;C02F11/12;C02F11/18;(IPC1-7):C02F11/12;C02F1/48 主分类号 C02F1/00
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