Process for removing impurities from mixtures of water with wate

Details Process for removing impurities from mixtures of water with wate Process for removing impurities from mixtures of water with wate

1986-07-14

1988-06-07

Therkorn, Ernest G.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210660, 210680, 2105021, 264 37, 264182, 264206, C02F 128, B01D 1500

Patent

active

047494964

ABSTRACT:
Mixtures of water with water-miscible solvent(s) containing suspended, emulsified and/or colloidal impurities are purified by contacting the water-solvent mixture with an at least partially open celled foam containing 1-75 weight percent active pulverulent additives. The liquid and solid phases are then separated. The active pulverulent additives which may be incorporated into the foam by means of a binder or by incorporation in the reactants used to form the foam include active coals, brown coal dust, peat, iron oxides and brown coal coke dust.

REFERENCES:
patent: 1056800 (1913-03-01), Krause
patent: 3334042 (1967-08-01), Teitsma
patent: 3687297 (1972-08-01), Kuhn
patent: 3812031 (1974-05-01), McCoy
patent: 3888766 (1975-06-01), De Young
patent: 4025689 (1977-05-01), Kobayashi
patent: 4104160 (1978-08-01), Wegmuller
patent: 4190696 (1980-02-01), Hart
patent: 4302335 (1981-11-01), Habermas
patent: 4395332 (1983-07-01), Klein

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