公开(公告)号：US20230295396A1

公开(公告)日：2023-09-21

申请号：US18010995

申请日：2021-06-15

申请人： COAL PRODUCTS LIMITED ,  The University of Nottingham

发明人： Andrew GILL ,  Colin SNAPE

IPC分类号： C08J11/14 ,  C08J11/16 ,  C07C51/02 ,  C08J11/06

CPC分类号： C08J11/14 ,  C08J11/16 ,  C07C51/02 ,  C08J11/06 ,  C08J2367/02

摘要： A process (1, 2) for processing feedstock containing cotton fibres and PET fibres, the process (1, 2) comprises: i. heating a suspension of feedstock containing cotton fibres and PET fibres in water at a temperature above 180° C. to produce a mixture comprising char; ii. removing the water from the mixture comprising char; iii. adding a base to the mixture comprising char to produce a terephthalate salt in a liquid phase; iv. removing the char from the liquid phase to produce dried char; v. acidifying the liquid phase to produce terephthalic acid.