Abstract

Cross-linked carboxymethyl starch CMS was synthesized with cross-linked starch as raw material, sodium chloroacetate as etherification agent and sodium hydroxide as catalyst, and the structure of the product was characterized by FTIR, SEM and XRD. The optimum synthesis conditions of CMS were m (CSt): m (MCA) = 5:3, NaOH dosage 12 ml, reaction temperature 55 °C and reaction time 3 h. When the concentration of copper ion in the simulated water sample was 25 mg/L and the dosage of CMS was 2 g/L, the removal rate of copper ion was 96.0%, and the adsorption capacity of CMS was 15.4 mg/g.

Details

Title
Synthesis and adsorption properties of cross-linked carboxymethyl starch (CMS)
Author
Li, H H 1 ; Gao, Y H 1 ; Zhang, L H 2 ; N Li 3 ; Liu, Z F 2 

 Institute of Energy Sources, Hebei Academy of Sciences, Shijiazhuang Hebei 050081, China; Hebei Engineering Research Center Water Saving in Industry, Shijiazhuang Hebei 050081, China 
 Institute of Energy Sources, Hebei Academy of Sciences, Shijiazhuang Hebei 050081, China 
 Hebei Sun-water Water Treatment Co., Ltd, Shijiazhuang Hebei 050081, China 
Publication year
2020
Publication date
Aug 2020
Publisher
IOP Publishing
ISSN
17426588
e-ISSN
17426596
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2570607980
Copyright
© 2020. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.