US 11,939,532 B2
Methods and systems for co-feeding waste plastics into a refinery
Robson Pablo Sobradiel Peguin, São Paulo (BR); Steven Michael Krupinski, Philadelphia, PA (US); Kevin Richard Soucy, Philadelphia, PA (US); Jiahan Xie, Philadelphia, PA (US); Cid Miró Neto, São Paulo (BR); and Roberto Osorio Jiménez, São Paulo (BR)
Assigned to Braskem S.A., Camaçari (BR)
Filed by Braskem S.A., Camaçari (BR)
Filed on Jan. 25, 2023, as Appl. No. 18/101,528.
Claims priority of provisional application 63/302,816, filed on Jan. 25, 2022.
Prior Publication US 2023/0235233 A1, Jul. 27, 2023
Int. Cl. C10G 1/10 (2006.01); B01F 21/00 (2022.01); B01F 33/82 (2022.01); B01F 35/00 (2022.01); B01F 101/00 (2022.01)
CPC C10G 1/10 (2013.01) [B01F 21/02 (2022.01); B01F 21/30 (2022.01); B01F 21/401 (2022.01); B01F 33/821 (2022.01); B01F 35/189 (2022.01); B01F 2101/2805 (2022.01); C10G 2300/1003 (2013.01); C10G 2300/1044 (2013.01); C10G 2300/302 (2013.01); C10G 2300/4081 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for recycling a polymer comprising:
introducing the polymer into a primary melting extruder to produce a polymer melt;
mixing the polymer melt combined with a fluid oil in a secondary mixing extruder to form a polymer solution of the polymer dissolved in the fluid oil;
introducing the polymer solution into a refinery oil stream to produce a polymer-comprising oil stream; and
feeding the polymer-comprising oil stream into a refinery process unit.