Apparatus for carbon dioxide pretreatment and accelerated limest

Details Apparatus for carbon dioxide pretreatment and accelerated limest Apparatus for carbon dioxide pretreatment and accelerated limest

1997-10-29

1999-01-26

Woo, Jay H.

Liquid purification or separation

With gas-liquid surface contact means

210151, 210188, 2101951, 210274, B01D 2428

Patent

active

058634223

ABSTRACT:
The method of reducing the acidity in effluent discharges comprises charging the effluent with carbon dioxide, intermittently fluidizing and expanding at least one pulsed limestone bed with the charged effluent, treating the charged effluent with the limestone in the bed, displacing the limestone treated effluent with untreated charged effluent, stripping excess carbon dioxide from the effluent after treatment in the limestone bed, and discharging the limestone treated effluent.

REFERENCES:
patent: 4157959 (1979-06-01), Wen et al.
patent: 5156746 (1992-10-01), Maree et al.
patent: 5573671 (1996-11-01), Klein

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