US 11,987,860 B2
Low temperature briquette of fines bearing iron and other metals
Sidney Nicodemos da Silva, Belo Horizonte (BR)
Filed by Sidney Nicodemos da Silva, Belo Horizonte (BR)
Filed on Nov. 14, 2022, as Appl. No. 17/986,615.
Claims priority of provisional application 63/244,916, filed on Sep. 16, 2021.
Prior Publication US 2023/0167524 A1, Jun. 1, 2023
Int. Cl. C22B 1/243 (2006.01); B22F 1/105 (2022.01); B22F 3/18 (2006.01); C22B 1/244 (2006.01)
CPC C22B 1/243 (2013.01) [B22F 1/105 (2022.01); B22F 3/18 (2013.01); C22B 1/244 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A binder composition for briquetting iron ore fines, the composition comprising: starch in a range of 0.5% w/w to 3.0% w/w; sodium hydroxide in a range of 0.05% w/w to 1.0% w/w; sodium silicate in a range of 0.05% w/w to 3.5% w/w, graphene from 0.001% to 0.5% w/w, and the balance being metal bearing fines including iron ore fines.