Definitions
from The Century Dictionary.
- noun The precipitate or solid residue remaining after the usual treatment of sewage in sewage-disposal systems. It is often pressed into cakes after filtration.
Etymologies
Sorry, no etymologies found.
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Examples
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This NY Times Op-Ed points out that Siddiqui's past accomplishments include proposals to allow genetically engineered crops, irradiated foods and sewage-sludge fertilizers to carry the "organic" label.
Obama Nominates Monsanto Rep For Agricultural Trade Post 2009
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The result, however, of leaving sewage-sludge with over 90 per cent of water in it to dry in the air, was to encourage the rapid decomposition and putrefaction of its organic matter, so that in many cases the decomposing sludge proved to be as great a nuisance as the unpurified sewage itself would have been.
Manures and the principles of manuring Charles Morton Aikman
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M.nro, Dr J.M. H., on nitrification, 52; on sewage-sludge as manure, 439; on urine voided, 292.
Manures and the principles of manuring Charles Morton Aikman
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