TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

[Sludge Digestion.] The liquid separates readily from the solids which begin to settle to the bottom. (...) A layer of liquid, the digester overflow or supernatant forms above the solids, and this layer has only a small amount of suspended solids. (...) In all probability a scum layer consisting of hair, match sticks, undigested grease and other material will form at the top. This scum layer is very objectionable (...)  1, record 1, English, - scum%20layer

Record number: 1, Textual support number: 1 DEF

for "scum" : a thin layer of impurities which forms on the top of liquids or bodies of water, often as the result of boiling or fermentation.  2, record 1, English, - scum%20layer

Record number: 1, Textual support number: 1 OBS

for "scum" : The term "scum" usually means any matter that floats up to form a layer rather than the layer itself. However, the above definition enables us to conclude that there has recently been an extension of meaning.  3, record 1, English, - scum%20layer

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Un digesteur à moyenne charge en fonctionnement normal comporte trois zones principales: une couche flottante ou chapeau, une couche intermédiaire (...) où la concentration en matières sèches est la plus faible, une couche inférieure où les boues digérées ou en cours de digestion s'épaississent progressivement.  1, record 1, French, - chapeau

Record 1,  Textual support,  Spanish