Flocculation process

Details Flocculation process Flocculation process

1975-11-19

1976-12-14

Bagwill, Robert E.

Plant husbandry

Process

61 35, 47DIG10, E02D 314

Patent

active

039966968

ABSTRACT:
The dilute clay-containing slimes waste, formed in the hydraulic mining of phosphate mineral, is flocculated by mixing with an aqueous extract of fertile topsoil or with fertile topsoil which is the uppermost 2 feet or more of overburden that contains at least 200 parts per million of organic matter extractable by water. Water is recovered from the flocculated mixture. The dewatered floc is preferably disposed at a land reclamation site and covered with overburden to restore the original stable soil profile, i.e. an upper layer of soil with good drainage and a lower layer having poor drainage.

REFERENCES:
ecology and Reclamation of Devastated Land, Hutnik et al., 1973, Gordon and Breach, N.Y.

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