colloidal solids | Energy Glossary

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colloidal solids

1. n. []

Solid particles of size less than 2 microns equivalent spherical diameter, also identified as clay by definitions in International Standards Organization ISO/CD 13501, par. 3.1.17. Because of extremely small size, these solids largely defy direct removal by mechanical devices that rely on screening or gravitational forces. Their removal is aided by chemical aggregation prior to gravity separation or filtration.

See: acrylamide polymeracrylamide acrylate polymeracrylate polymerBingham plastic modelclay extenderclay-water interactionclear-water drillingclosed mud systemcolloiddispersiondispersionfinesgelgelled-up mudgumbonative-solids mudplastic viscosityprehydrated bentonitereserve-mud pitsideritesilicate mudsmectite claywastewater cleanupwater clarification