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Citation: WEN Xin-Rong, TU Chang-Qing. Flotation Separation of Zinc(Ⅱ) by Sodium Chloride-Ammonium Thiocyanate-Cetylpyridinium Chloride-Water System[J]. Chinese Journal of Applied Chemistry, ;2002, 19(8): 776-779. shu

Flotation Separation of Zinc(Ⅱ) by Sodium Chloride-Ammonium Thiocyanate-Cetylpyridinium Chloride-Water System

WEN Xin-Rong ^, ,
TU Chang-Qing

1.
Department of Chemistry, Jiaying College, Meizhou 514015

Corresponding author: WEN Xin-Rong,
Received Date: 5 December 2001
Available Online: 12 March 2002

The flotation separation behaviour of zinc(Ⅱ) by sodium chloride-ammonium thiocyanate-cetylpyridinium chloride(CPC)-water system and the separation conditions for zinc(Ⅱ) with other metal ions have been studied. The results showed that in the presence of 1.0 g solid NaCl, 2.0 mL NH₄SCN(0.1 mol/L) and CPC(0.01 mol/L), Zn(Ⅱ) could be separated completely in a mixture solution (pH=4.0) containing Cd(Ⅱ)、Co(Ⅱ)、Ni(Ⅱ)、Mn(Ⅱ)、Fe(Ⅱ)and Al(Ⅲ) by flotation process. The method was used in separation of Zn(Ⅱ) in synthetic multiple ion mixture solution with satisfactory result.
- zinc(Ⅱ),
- ammonium thiocyanate,
- cetylpyridinium chloride,
- flotation separation
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