公开(公告)号：WO2016196184A1

公开(公告)日：2016-12-08

申请号：PCT/US2016/034303

申请日：2016-05-26

Applicant: TEKNOR APEX COMPANY

Inventor： STONE, Andrew D. ,  WHITE, Craig A. ,  MARCELLA, Joseph A.

IPC: B02C11/08 ,  B02C21/00

CPC classification number: C08J11/06 ,  B29B17/02 ,  B29B2017/0203 ,  B29B2017/0231 ,  B29K2023/12 ,  B29K2077/00 ,  B29L2031/7322 ,  C08J2323/02 ,  C08J2367/02 ,  C08J2377/06 ,  Y02W30/622 ,  Y02W30/701

Abstract: The present invention relates to a process for recovering individual polymers, such as nylon and polyolefin, from a nylon-containing source such as a carpet. The process includes the steps of shredding a nylon fiber source such as a carpet wherein the shredding is conducted in the presence of a liquid that wets the carpet, granulating the wet shredded carpet slurry, further diluting the granulated slurry by adding additional water, subsequently refining the fibers and removing substantial amounts of polypropylene fibers from the slurry, preferably using a lamella clarifier, and recovering the nylon fibers by hydrocloning the slurry.

Abstract translation: 本发明涉及从含尼龙的源如地毯中回收各种聚合物如尼龙和聚烯烃的方法。 该方法包括以下步骤：将尼龙纤维源例如地毯进行粉碎，其中在存在浸湿地毯的液体的情况下进行粉碎，对湿碎的地毯浆料进行造粒，通过加入额外的水进一步稀释造粒浆料，随后精炼 纤维，并且从浆料中除去大量的聚丙烯纤维，优选使用薄片澄清器，并通过水解克隆浆料回收尼龙纤维。