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Activation of natural halloysite nanotubes by introducing lanthanum oxycarbonate nanoparticles via co-calcination for outstanding phosphate removal

Author:
WeiThese authors contributed equally to this work., Yanfu, Yuan, Peng, Liu, Dong, Losic, Dusan, Tan, Daoyong, Chen, Fanrong, Liu, Hongchang, Zhou, Junming, Du, Peixin, Song, Yaran
Source:
Chemical communications 2019 v.55 no.14 pp. 2110-2113
ISSN:
1364-548X
Subject:
adsorption, aluminum oxide, chemical communication, chemical reactions, halloysite, lanthanum, nanoparticles, nanotubes, phosphates, sewage
Abstract:
Halloysite nanotubes were activated via co-calcination of halloysite and the precursors of lanthanum oxycarbonate (LO), generating reactive alumina nanoparticles and uniformly anchoring LO nanoparticles to halloysite surfaces. The resulting LO–alumina combination exhibits record-high phosphate adsorption capacity as well as excellence in adsorption selectivity and sewage phosphate removal.
Agid:
6308057