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Keywords: HUMUS
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Journal Articles
Journal of the Institution of Civil Engineers (1941) 16 (5): 3–25.
Published: 01 March 1941
... Activated-sludge treatment . . . . . . . . . . . . . . . 22 Tanks for the separation of humus and activatedsludge . . . . . . . 24 Sludge-treatment and disposal . . . . . . . . . . . . . . 24 .Acknowledgements . . . . . . . . . . . . . . . . . 25 INTRODUCTION. THE main purpose of this Paper, which...

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