Patent ID: 11891725
Assignee: RE:NEWCELL AB
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC D  C  Y | IPC C  D

Claim 0:
1. A method for recycling textiles comprising cellulose, said method comprising the sequential steps:
a. providing at least one textile material comprising cellulose,
b. treating the material to swell the cellulose, under reducing conditions, wherein at least one reducing agent is present at least during a part of the swelling,
c. performing at least one of the following two bleaching steps in any order
i. bleaching the material with oxygen at alkaline conditions with a pH in the range 9-13.5, and
ii. bleaching the material with ozone at acid conditions below pH 6,

d. recovering the cellulose and using the cellulose for making new textiles or for any other purpose where cellulose is used.