Patent ID: 9566587
Date: 2017-02-14
CPC Classifications: A62D,B01D,B02C,B03B,B03C,B03D,B09B,C04B,F23J,Y02P,Y02W

Claim:
1. A method of treating incinerated waste, the method comprising: size separating at least some of the incinerated waste, according to a slime separation size, into a slime fraction comprising particles smaller than the slime separation size and into a deslimed fraction comprising particles larger than the slime separation size; conditioning at least some of the slime fraction with a first at least one chemical reagent into a first conditioned slurry; further conditioning at least some of the first conditioned slurry with a second at least one chemical reagent into a further conditioned slurry; and extracting metal by froth flotation from at least some of the further conditioned slurry.