This is an archival version of the original KnowledgePoint website.

Interactive features have been disabled and some pages and links have been removed.

Visit the new KnowledgePoint website at https://www.knowledgepoint.org.

 

Revision history [back]

click to hide/show revision 1
initial version

Engineering in Emergencies page 329 compares rapid and slow sand filters. Both types of filter are designed for the treatment of low turbidity water, so if the water to be treated has say turbidity > 20 NTU, pre-treatment such as roughing filters will be required independent of whether slow or rapid filtration is used. Basic Water Treatment, 5th edition by Chris Binnie and Martin Kimber, Atkins Water, UK gives greater detail.