Process for removal of selenium and arsenic from aqueous streams

Details Process for removal of selenium and arsenic from aqueous streams Process for removal of selenium and arsenic from aqueous streams

1995-05-26

1997-02-18

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

210669, 210679, 210683, 210911, C02F 128, C02F 900

Patent

active

056038380

ABSTRACT:
A process for removing selenium and/or arsenic from aqueous streams including industrial process waters and drinking water is provided comprising contacting the stream with a composition comprising lanthanum oxide whereby selenium and/or arsenic are adsorbed. Preferred compositions comprise lanthanum oxide and alumina.

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