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Since scum is practically gel, pump and pipe connection to tank were installed so that liquor beneath scum could be pumped up and allowed to flow onto scum in gentle stream; after once softened, circulation of from 5 to 10 min. daily prevented further scum.
Since scum is practically gel, pump and pipe connection to tank were installed so that liquor beneath scum could be pumped up and allowed to flow onto scum in gentle stream; after once softened, circulation of from 5 to 10 min. daily prevented further scum.
Control of scum in sewage tanks
Indus. Eng. Chem
Buswell, A.M. (author)
1929
2 pages
1 Fig.
Article (Journal)
English
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