发明名称 Method of freeze drying sewage sludge
摘要 A method for processing sewage eliminates chemical "treatment", or, the addition of chemicals that are as harmful or more so to the environment as raw sewage. The method of processing sewage disintegrates the generally solid components of sewage into a highly de-moisturized powder via alternative processes of either (i) a freeze-drying process, or (ii) a combination centrifugal separation and an evacuated "bake-out" process, both which substantially drive out the vaporizable components of the sewage. In consequence, there are no resultant effluent and/or exhausting vapors from this method which would impact the environment.
申请公布号 US5614107(A) 申请公布日期 1997.03.25
申请号 US19950543037 申请日期 1995.10.13
申请人 ENVIRO-TECH-2000, INC. 发明人 MALLIA, JR., ALBERT T.
分类号 A61L11/00;C02F1/02;C02F1/22;C02F1/30;C02F1/32;C02F11/20;F26B5/04;F26B5/06;F26B5/08;(IPC1-7):C02F1/22;C02F1/12 主分类号 A61L11/00
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