NDLI: Carboxylic acid cation exchange non-woven for enrichment and removal of heavy metal ions in seawater

Content Provider	IEEE Xplore Digital Library
Author	Junfu Wei Kongyin Zhao Zheng Jian Huan Zhang
Copyright Year	2010
Description	Author affiliation: Tianjin Municipal Key Lab of Fiber Modification and Functional Fibers, College of Enviroment and Chemical Engineering, Tianjin Polytechnic University, 300160, China (Junfu Wei; Kongyin Zhao; Zheng Jian; Huan Zhang)
Abstract	In this work, A weak acid cation exchange textile (CET) was prepared by $^{60}Co$ γ-rays irradiation grafting with acrylic acid (AA) onto polypropylene (PP) non-woven (PP-g-AA). The feasibility of PP-g-AA as ion exchanger for enrichment and removal of four heavy metal ions (Cu(II), Zn(II), Cd(II), Pb(II)) in seawater was investigated. The exchange capacity of CET with the grafting degree of 45% is 3.7mmol/g. The results indicated that the PP-g-AA CET could efficiently absorb the Cu(II), Zn(II), Cd(II), Pb(II) metal ions although there are large amount of Na(I), K(I), Mg(II), Ca(II) ions existing in seawater. The CET in $Na^{+}$ form (PP-g-AA being deal with NaOH) was better for the enrichment of these four metals than CET in $H^{+}$ form. The dynamic adsorption for metal ions by CET was superior to the static adsorption. Metal ions retained on CET could be desorpted with 1mol/L HNO3. All the results indicated that carboxylic acid cation exchange polypropylene textile had great potential for the enrichment and removal of heavy metals in seawater.
Starting Page	1870
Ending Page	1873
File Size	241672
Page Count	4
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5536797
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Enrichment Humans Organisms Ion exchange textile Textile fibers Zinc Chemicals Heavy metal Carboxylic acid Lead Copper Polymers Marine animals Water resources Seawater
Content Type	Text
Resource Type	Article

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