Journal of Guangxi Normal University(Natural Science Edition) ›› 2018, Vol. 36 ›› Issue (3): 63-67.doi: 10.16088/j.issn.1001-6600.2018.03.009

• Orginal Article • Previous Articles     Next Articles

Removal of Low Concentration Cadmium Ion in the Wastewater by Heavy Metal Capturing Agent UDTC

FENG Xiu, MA Nannan, ZHI Hongtao, HAN Shuangqiao, ZHANG Xiang*   

  1. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou Henan 450001, China
  • Received:2018-03-15 Online:2018-07-17 Published:2018-07-17

Abstract: The heavy metal capturing agent UDTC was used as removal of cadmium ion in the wastewater. Effects of UDTC dosage, pH value, reaction time and whether to add flocculent on the removal of Cd2+ ions in wastewater were investigated; and the effect of UDTC was compared with that of EDTC and Na2S. The results show that: for wastewater containing Cd2+ 10 mg/L, the UDTC dosage was 40 mg/L, pH 4~9, using PAC/PAM as flocculant, reaction time was 12 min. The removal rate of Cd2+ from wastewater can be achieved over 99.5%; Compared with two kinds of commonly used heavy metal capture agent, the UDTC has a stronger ability to capture heavy metal and has good application prospect.

Key words: heavy mental, capturing agent, wastewater, low concentration, cadmium

CLC Number: 

  • X703
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