Keywords: FILTRATION
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Journal Articles
The Institution of Civil Engineers Engineering Division Papers (1951) 9 (14): 1–23.
Published: 01 January 1951
...-disposal works are discussed inthisPaper. Thesemethodsinclude mechanical filtration through beds of sand or anthracite in pressure-filters or in open gravity-filters, from which the deposited material is removed periodically by ba,ckwashing. The removal of humus from sewageeffluent isaccompaniedby...

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