当前位置： SCI文献检索 > INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES期刊下所有文献 > Hydrophobic-modified montmorillonite coating onto crosslinked chitosan as the core-shell micro-sorbent for iodide adsorptive removal via Pickering emulsion polymerization.

Hydrophobic-modified montmorillonite coating onto crosslinked chitosan as the core-shell micro-sorbent for iodide adsorptive removal via Pickering emulsion polymerization.

Abstract：

:The radioactive iodine from nuclear wastes caused severe environmental contamination and public health concern. Chitosan and montmorillonite as green materials of the favorable adsorptivity were proposed for iodine treatment. Rather than intercalation, the crosslinked chitosan proposedly via Pickering emulsion polymerization was coated by hydrophobical-modified montmorillonite (HMMT) to form the micro-composite of chitosan/HMMT (CTS/HMMT) as the iodide adsorbent of eco-safety, adsorptivity combination and chitosan-swelling limitation. From pH 3 to 10, CTS/HMMTs adsorbed I127 anions no <90% during 40 min, with the maximum adsorption capacity of 0.3033 mmol/g, well-fitting with Langmuir isotherm model and the pseudo first-order kinetic model. CTS/HMMTs were also well-regenerated within the five adsorption/desorption cycles of the nearly same adsorption efficiency, performing the high stability. Nonetheless, the CTS/HMMT adsorbents were prospective for radioactive iodine removal.

journal_name

Int J Biol Macromol

journal_title

International journal of biological macromolecules

authors

Li Q,Mao Q,Yang C,Zhang S,He G,Zhang X,Zhang W

doi

10.1016/j.ijbiomac.2019.09.065

subject

Has Abstract

pub_date

2019-12-01 00:00:00

pages

987-996

eissn

0141-8130

issn

1879-0003

pii

S0141-8130(19)34816-0

journal_volume

141

pub_type

杂志文章

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