Title:
HIGH-CAPACITY ANION EXCHANGE MATERIALS
Document Type and Number:
WIPO Patent Application WO/2016/043808
Kind Code:
A8
Abstract:
The present disclosure is directed to polymeric beads, methods of making the beads, and methods of using the beads as high-capacity anion exchange materials. In particular, the disclosure provides polymeric beads comprising a cross-linked polyamine and having a crush strength of about 250 g/bead or more. Preferably, the beads are substantially spherical. Also disclosed are polymeric beads comprising a cross-linked polyamine that has a substantial number of both strong base sites and weak base sites. Methods of using the polymeric beads in various industrial applications, such as groundwater remediation, radio waste management, municipal wastewater management, demineralization, toxin removal, mining, food refinery, research, agriculture, and the like, are also disclosed herein.
Inventors:
CHANG HAN-TING (US)
DIALLO MAMADOU SAMBA (US)
SANCHEZ DANIEL (US)
YU CHANGJUN (US)
DIALLO MAMADOU SAMBA (US)
SANCHEZ DANIEL (US)
YU CHANGJUN (US)
Application Number:
PCT/US2015/021209
Publication Date:
May 12, 2016
Filing Date:
March 18, 2015
Export Citation:
Assignee:
AQUANANO LLC (US)
International Classes:
B01J41/12; C02F1/42; C08G59/50; C08G73/02; C08J5/20; C08J5/22; C08L79/02
Attorney, Agent or Firm:
ALLEN, Derick E. et al. (7700 Forsyth Blvd. Suite 180, St. Louis Missouri, US)
Download PDF: