Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1978-06-19
1980-08-12
Therkorn, Ernest G.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 49, 210DIG29, 406 49, 406144, 37 61, 37 66, 405129, C02F 134
Patent
active
042172128
ABSTRACT:
The invention relates to the broad subject of dewatering phosphate clay wastes and has for its primary object the drainage of existing phosphate slime settling ponds and the reclamation of the drained ponds through the use of the processed slime as a land fill having adequate drainage characteristics.
Another object of the invention is to provide a processing step for phosphate slimes which will reduce the environmental impact of mining phosphate to an acceptable level.
REFERENCES:
patent: 740731 (1903-10-01), Beatey
patent: 2019968 (1935-11-01), Holloway
patent: 2353602 (1944-07-01), Trotter
patent: 3493496 (1970-02-01), Bray
patent: 3680698 (1972-08-01), Liu
patent: 3707523 (1972-12-01), Ledden
patent: 3763041 (1973-10-01), Cook
patent: 3779384 (1973-12-01), Stahlkopf
patent: 3967393 (1976-07-01), Nixon
patent: 3971148 (1976-07-01), Deal
patent: 4036752 (1977-07-01), Lassiter
patent: 4038183 (1977-07-01), Davidtz
patent: 4104813 (1978-08-01), Lindsey
Building Land with Phosphate Wastes, Mining Engineering, Dec. 1969, pp. 38-40.
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