Iwai, Shigehisa, 4 0 1916-
Wastewater treatment with microbial films / 6
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Shigehisa Iwai, Takane Kitao.
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- viii, 184 p. : ill. 23 cm.
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Includes bibliographical references (p. 179-182) and index.
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Sewage ----Purification;Fixed-film biological process.----20--
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