US 12,458,981 B2
Hygiene article recycling unit
Martin Scaife, Singapore (SG)
Assigned to DIAPER RECYCLING TECHNOLOGY PTE. LTD., Singapore (SG)
Appl. No. 18/044,318
Filed by DIAPER RECYCLING TECHNOLOGY PTE. LTD., Singapore (SG)
PCT Filed Aug. 27, 2021, PCT No. PCT/SG2021/050516
§ 371(c)(1), (2) Date Mar. 7, 2023,
PCT Pub. No. WO2022/055422, PCT Pub. Date Mar. 17, 2022.
Claims priority of application No. 10202008761P (SG), filed on Sep. 8, 2020.
Prior Publication US 2023/0330683 A1, Oct. 19, 2023
Int. Cl. B03B 9/06 (2006.01); B02C 18/00 (2006.01); B02C 18/06 (2006.01); B02C 23/16 (2006.01); B09B 3/35 (2022.01); B09B 101/67 (2022.01)
CPC B03B 9/06 (2013.01) [B02C 18/0092 (2013.01); B02C 18/067 (2013.01); B09B 3/35 (2022.01); B02C 2023/165 (2013.01); B09B 2101/67 (2022.01)] 9 Claims
OG exemplary drawing
 
1. A hygiene article recycling unit adapted to separate plastic material, superabsorbent polymer and pulp, if present, comprised in hygiene articles, comprising:
an article buffer device;
an infeed article stream equalization system;
an article pre-destruction device;
a shredding and separation device;
a pulp/superabsorbent polymer (SAP) separation device that separates SAP material from pulp,
wherein said recycling unit is adapted to provide
recycled pulp, if present, at a purity of more than 99 w-%;
recycled SAP material at a purity of more than 99 w-%.