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Title:
RECOVERY OF PALLADIUM FROM CATALYST MATERIALS
Document Type and Number:
WIPO Patent Application WO/2018/006433
Kind Code:
A1
Abstract:
Disclosed is a process for recycling palladium-containing catalyst materials, wherein the process comprises: (a) grinding the palladium-containing catalyst in a milling module; (b) removing palladium from the palladium-containing catalyst using a removal composition; (c) optionally (i) separating the palladium-containing catalyst from the first removal composition using liquid-solid separation means subsequent to palladium removal to yield a solid and a liquid, and (ii) rinsing the solid with a first rinse subsequent to separation. The process can efficiently recover palladium from the catalyst materials while minimizing the amount of chemicals and other resources used.

Inventors:
CHEN, Biqin (Room 302, Building 12 Lane 18, Qingtong Rd,,Pudong District, Shanghai 3, 201203, CN)
YANG, Zhenqiang (Room 203, Building 30 Lane1045, Yunshan Rd,,Pudong District, Shanghai 6, 200136, CN)
SONG, Yuxin (Room 902, Building 112 Lane715, Wanxia Rd,,Pudong District, Shanghai 2, 201202, CN)
JIA, Jun (Room 302, Building 4 Lane301, Qianxi Rd,,Baoshan District, Shanghai 6, 200436, CN)
JIANG, Ping (10 South Street, Unit 5, Danbury Connecticut, 06810, US)
KORZENSKI, Michael B. (13 Galloping Hill Road, Bethel, Connecticut, 06801, US)
Application Number:
CN2016/089495
Publication Date:
January 11, 2018
Filing Date:
July 08, 2016
Export Citation:
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Assignee:
ENTEGRIS, INC. (129 Concord Road, Billerica, Massachusetts, 01821, US)
International Classes:
C22B7/00; C22B11/00
Foreign References:
CN101519725A2009-09-02
CN101280363A2008-10-08
CN104294048A2015-01-21
CN105256146A2016-01-20
EP1636393A12006-03-22
US7166145B12007-01-23
Attorney, Agent or Firm:
LEE AND LI - LEAVEN IPR AGENCY LTD. (Unit 2202, Tower A Beijing Marriott Center, No. 7,Jian Guo Men South Avenue, Beijing 5, 100005, CN)
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