Absorption of Hg (II) Form Aqueous Solution onto Double Crosslinked Amphoteric Cassava Starch Resin

He Ping Li; Yun Yan Huang; Jin Wei Yuan; Guan Wei Yang; Hu Qiang Lv; Shi Jun Yang

doi:10.4028/www.scientific.net/AMR.886.253

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Exposure and Carcinogen Risk Assessment to Human Beings Caused by Cd in Pearl River Basin
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Pb Contamination and Pb Isotopic Signinatures in Roadside Dusts in Hebi City, China
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Transition of Land Cover Characteristics at Wild-Fired Watershed
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Absorption of Hg (II) Form Aqueous Solution onto Double Crosslinked Amphoteric Cassava Starch Resin
p.253

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 886Absorption of Hg (II) Form Aqueous Solution onto...

Absorption of Hg (II) Form Aqueous Solution onto Double Crosslinked Amphoteric Cassava Starch Resin

Abstract:

Sodium polyphosphate-crosslinked starch was synthesized by using cassava starch and sodium polyphosphate as main material and crosslinked agent individually. On above basis, double crosslinked amphoteric cassava starch resin was synthesized through three steps of reactions, which included the inner-crosslinked reaction of starch with N,N'-methylene bisacrylamide, the grafted reaction of the obtained copolymer with dimethyl diallyl ammonium chloride (DMDAAC) and the grafted reaction of the obtained copolymer with acrylic acid. The product was characterized by scanning electron microscopy (SEM). The results indicate that the cassava starch was modified successfully. Adsorption behavior of Hg²⁺ was studied in the condition of different adsorption time, and found that the removal rate and the adsorption capacity of Hg²⁺ reached up to 95.98% and 191.97 mg/g respectively.

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Periodical:

Advanced Materials Research (Volume 886)

Pages:

253-256

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.886.253

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Online since:

January 2014

Authors:

He Ping Li, Yun Yan Huang, Jin Wei Yuan, Guan Wei Yang, Hu Qiang Lv, Shi Jun Yang

Keywords:

Adsorptivity, Double Crosslinked Amphoteric Cassava Starch Resin, Synthesis

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