B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 21/00 (2006.01) B01D 17/02 (2006.01) B01D 17/00 (2006.01) B01D 17/04 (2006.01)
Patent
CA 2228072
Impossibility to settle mining tailings in form of hard sediments and forced storage of jelly-like sludge in tailings ponds have a great economic and environmental impact. This feature is caused by undiscovered until present suspension force that decreases the static unit weight of solid particles. Lesser dynamic unit weight is fanned, and solid particles settle extremely slowly. On sufficient concentration of suspension the solid particles become weightless and further settling is ceased. The solid particles remain in equilibrium for indefinite long time. This force can be destroyed by greater seepage force and dense sediment can be obtained. A number of auxiliary methods can be used, as vibration for destroying loose structure formed by rigid angular grains, diluting of thick suspensions. for initiating seepage, and applying supplementary hydrostatic pressure into closed container for increasing the hydraulic gradient. The method can be used for purification of impure liquids by settling the impurities.
Na
Ter-Stepanian Anahit
Ter-Stepanian George
Ter-Stepanian Karine
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