Apply modified cotton by m-DMDHEU and choline cloride to separate ion CrO4 2- , H2AsO4 - in water solution | Zendy

Dang T. Nguyen | Zendy; Quan Pham | Zendy; Trung Chi Tran | Zendy

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Apply modified cotton by m-DMDHEU and choline cloride to separate ion CrO4 2- , H2AsO4 - in water solution

Author(s) -

Dang T. Nguyen,

Quan Pham,

Trung Chi Tran

Publication year - 2016

Publication title -

science and technology development journal

Language(s) - English

Resource type - Journals

ISSN - 1859-0128

DOI - 10.32508/stdj.v19i3.521

Subject(s) - choline chloride , adsorption , chemistry , choline , ion exchange , chloride , ion exchange resin , ion , inorganic chemistry , nuclear chemistry , organic chemistry , biochemistry

In this article, cotton is modified by m- DMDHEU and choline chloride. The modified cotton can adsorb and ion exchange ion CrO4 2- , H2AsO4 - in water solution as effectively as anionit resin. The material are activated by soaking in 24 h with mixed m-DMDHEU and choline chloride, then dried and activated in 1 h at 140 oC, all residual reactants was removed by water. Adsorption and ion exchange process were studied with a model solution contained ion CrO4 2- , H2AsO4 - in different conditions. Results showed that the modified cotton is able to adsorb ion CrO4 2- , H2AsO4 - of the model, solution is nearly completely, respectively 99,95 % and 99,60 %; the values of anionit resin is respectively 97,99 % and 97,60 % at pH=7,0.

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