Method for ecological utilization of acid effluents

Details Method for ecological utilization of acid effluents Method for ecological utilization of acid effluents

B - Operations, Transporting

01

J

B01J 39/02 (2006.01) B01J 20/10 (2006.01) B01J 20/12 (2006.01) C02F 1/58 (2006.01)

Patent

CA 2134970

ABSTRACT Described is an invention for the ecological usage of acid effluents while producing a sorption agent and which is characterized by the fact that an acid effluent of the production of fullers earth containing as main ingredients Fe2+/3+-, Al3+-, Ca2+- and Mg2+ cations and inorganic anions are reacted using an alkali silicate. The remaining precipitate is separated from the aqueous phase and, when necessary, purified and dried. The sorption agent can be used for the bleaching of oils or for the removal of soaps, phospholipids and heavy metals from oils, specifically edible oils.

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