期刊
SEPARATION SCIENCE AND TECHNOLOGY
卷 52, 期 5, 页码 892-902出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/01496395.2016.1267216
关键词
Activity coefficient; ionic strength; ion flotation; kinetics; wastewater; zinc ions
Zn(II) ion removal from synthetic wastewater was investigated using ion flotation in Hallimond tube followed by mechanical cell. The flotation reaction rate curve on the removal of Zn(II) ions in the separation process was divided into two stages, with n approximate to 1 in the first stage and with n approximate to 0 in the second stage. The kinetics of flotation for Zn(II) ion removal was 25 times faster than the kinetics for water removal. The removal kinetics has an inverse relation with the ionic strength and a direct relation with activity coefficients.
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