NA-05 - Cleaning: Solids in Drain and Sewer Systems (Demo)

Fundamentals

Wastewater content

 The various components found in wastewater are classified according to their physical state:

  • Dissolved substances (liquids),

  • Emulsified substances (water-immiscible liquids), and

  • Suspended solids (solids).

Image: 

 Emulsion example [Source: visaplan GmbH]

a) Water and immiscible liquid (e.g. oil); Formation of a boundary.

b) Emulsion; finely divided mixture of two liquids; one liquid (the dispersed phase) is dispersed in the other (the continuous phase)

 

/ 53