Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1983-06-30
1985-03-26
Wyse, Thomas
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210724, 210778, C02F 152
Patent
active
045072086
ABSTRACT:
A process and apparatus are disclosed for separating drilling mud and waste materials into pure water and a concentrated solid waste phase which is easily handled and disposed of. The process and apparatus provide for adjusting the pH of the drilling mud and waste materials to be separated, mixing the thus pH adjusted mud and waste materials with a flocculating agent and allowing the solids to settle out. The solids are then removed and further dewatered to produce a relatively dry concentrated solid waste phase. If desired, the clarified water is mixed with finely divided activated charcoal to remove various impurities from the clarified water. The mixture of clarified water and charcoal are then filtered to produce a filtrate stream which is further separated to produce pure water and a liquid phase containing dissolved solids. The pure water can then be reused in the drilling process or safely discharged into the environment.
REFERENCES:
patent: 3423313 (1969-01-01), Messer
patent: 3433312 (1969-03-01), Burdyn et al.
patent: 3577341 (1971-05-01), Keith et al.
patent: 3578586 (1971-05-01), Gal et al.
patent: 3933634 (1976-01-01), Seki
Bourgeois Harold C.
Ford Michael D.
Simon Jules A.
Young John A.
Drilling Waste, Incorporated
Wyse Thomas
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