Adsorption Performance of Weak Alkaline Ion Exchange Fiber for Vanadium
[1]Ma Nannan,Zhi Hongtao,Duan Jianbang,et al.Adsorption Performance of Weak Alkaline Ion Exchange Fiber for Vanadium[J].Journal of Zhengzhou University (Engineering Science),2019,40(02):80-84.[doi:10.13705/j.issn.1671-6833.2019.02.004]
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Journal of Zhengzhou University (Engineering Science)[ISSN
1671-6833/CN
41-1339/T] Volume:
40卷
Number of periods:
2019 02
Page number:
80-84
Column:
Public date:
2019-03-19
- Title:
- Adsorption Performance of Weak Alkaline Ion Exchange Fiber for Vanadium
- CLC:
- -
- DOI:
- 10.13705/j.issn.1671-6833.2019.02.004
- Abstract:
- A kind of PAN-based weak alkaline ion exchange fiber was synthesized and was used as adsorbent for Vanadium. The adsorption and regeneration performance of two different types of functional groups of ion exchange materials were compared. Effects of pH, temperature, time and the concentration of vanadium on fiber saturated adsorption amount were investigated. The optimal concentration of sodium hydroxide for desorption the fiber was discussed. The results show that the static adsorption capacity of Cl? form fiber are more superior; The maximum adsorption capacity (294 mg?L?1) is obtained under pH 6~8 and adsorption capacity increases with the increase of temperature, the adsorptive equilibrium can be achieved with 6 hours, and the removal ratio for Vanadium was more than 98%. The desorption rate of the fiber is above 98.02%, when the concentration of desorption solution (sodium hydroxide) is 0.5 mol·L－1.
- References:
- -
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Last Update:
2019-03-24