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2. A low-cost municipal sewage treatment system with a combination of UASB and the "fourth-generation" downflow hanging sponge reactors. Tandukar M, Uemura S, Machdar I, Ohashi A, Harada H. Water Sci Technol; 2005; 52(1-2):323-9. PubMed ID: 16180445 [Abstract] [Full Text] [Related]
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