US 11,932,917 B2
Iron ore pellets
Nigel Pickett, Bridgend (GB)
Assigned to Binding Solutions Ltd, Middlesbrough (GB)
Appl. No. 16/605,736
Filed by Binding Solutions Ltd, Middlesbrough (GB)
PCT Filed Apr. 18, 2018, PCT No. PCT/GB2018/051010
§ 371(c)(1), (2) Date Oct. 16, 2019,
PCT Pub. No. WO2018/193243, PCT Pub. Date Oct. 25, 2018.
Claims priority of application No. 1706116 (GB), filed on Apr. 18, 2017.
Prior Publication US 2021/0108284 A1, Apr. 15, 2021
Int. Cl. C22B 1/245 (2006.01); C21C 5/52 (2006.01)
CPC C22B 1/245 (2013.01) [C21C 5/527 (2013.01)] 10 Claims
 
1. A method of producing steel comprising:
providing a pellet configured for use in an electric arc furnace, wherein the pellet comprises a particulate iron ore, between 0.05 and 1.0% by weight of a polymeric binder comprising, Novolac resin and at least one binder selected from polyacrylamide resin, resole resin, polyvinyl alcohol and a polysaccharide;
producing the pellet by mixing the particulate iron ore with the polymeric binder, wherein the pellet is formed without sintering or heating the pellet to above 60° C. prior to being transported to the electric arc furnace;
transporting the pellet to the electric arc furnace; and
producing steel by heating the pellet in the electric arc furnace.