Journal
MATERIALS LETTERS
Volume 170, Issue -, Pages 135-138Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.02.028
Keywords
Lignin; Microwave; Lead; Adsorption; Heavy metal
Funding
- National Natural Science Foundation of China [21264002, 21464002]
- Foundation for Young Talents in Higher Education of Guangdong Province
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This study firstly reported a microwave-assisted functionalized lignin with dithiocarbamate (LD) for enhancing adsorption of Pb(II) in water. It was found that LD particles were about 1 mu m in diameter with plenty of dithiocarbamate functional groups. LD showed a fast adsorption to Pb(II) with an equilibration time of 45 min. The saturated adsorption capacity to Pb(II) was 106 mg/g, which was 7.5 times of the original lignin and also higher than other lignin-based adsorbents. The prepared material can not only effectively adsorb Pb(II) in water, but also be easily prepared. These findings demonstrate that LD has great potential applications in adsorption and separation. (C) 2016 Elsevier B.V. All rights reserved.
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