US 11,986,837 B2
System and method for recovering metal from ash
Thomas A. Valerio, Atlanta, GA (US)
Filed by Thomas A. Valerio, Atlanta, GA (US)
Filed on Sep. 13, 2021, as Appl. No. 17/473,801.
Application 17/473,801 is a continuation of application No. PCT/US2020/022813, filed on Mar. 13, 2020.
Claims priority of provisional application 62/818,095, filed on Mar. 13, 2019.
Prior Publication US 2022/0097079 A1, Mar. 31, 2022
Int. Cl. B03B 9/04 (2006.01); B03C 1/023 (2006.01); B03C 1/247 (2006.01)
CPC B03B 9/04 (2013.01) [B03C 1/023 (2013.01); B03C 1/247 (2013.01); B03C 2201/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A system for recovering of metal and sand from incinerator ash material, comprising;
an infeed hopper to hold the incinerator ash;
an ash clarification assembly in connection with infeed hopper for separating light ash and heavy ash, wherein the ash clarification assembly separates materials by specific gravity and separates the light ash and the heavy ash; and the light ash contains unburnt organics;
a magnet to remove the ferrous from the heavy material;
a sorting assembly to remove heavy metals from the material;
a drying cage or dewatering screen to dry the material; and
a separation assembly to remove the aluminum from the material, which leaves remaining material, wherein the remaining material is sand and a cleaning assembly consists of a sand scrubber and a washing jet for removing sand from the elements.