Citation: SHANG Jiguang, SUN Guoxin. Extraction of Fe(Ⅲ) from Aluminum Chloride[J]. Chinese Journal of Applied Chemistry, ;2018, 35(1): 75-81. doi: 10.11944/j.issn.1000-0518.2018.01.170040 shu

Extraction of Fe(Ⅲ) from Aluminum Chloride

SHANG Jiguang ,
SUN Guoxin ^,

School of Chemistry and Chemical Engineering, University of Ji'nan, Ji'nan 250022, China

Corresponding author: SUN Guoxin, chm_sungx@ujn.edu.cn
Received Date: 22 February 2017
Revised Date: 28 May 2017
Accepted Date: 28 May 2017

Fund Project: Supported by the National Natural Science Foundation of China(No.21077044)the National Natural Science Foundation of China 21077044

Figures(6)

The extraction behaviors of Fe(Ⅲ) in the preparation of high purity aluminum chloride with N, N, N', N'-tetrabutyl malonamide(TBMA), N, N, N', N'-tetraoctyl-3-oxy-glutaramide(TODGA) and methyl isobutyl ketone(MIBK) have been investigated. The results show that the extraction efficiency of Fe(Ⅲ) with TBMA or MIBK is 90% when the concentration of hydrochloric acid in the aluminum chloride solution is 4 mol/L. TODGA shows an excellent separation performance. When the concentrations of Al³⁺, Fe³⁺, and HCl are 2.0 mol/L, 0.0036 mol/L(0.2 g/L), and 1.2 mol/L, respectively, in the solution of aluminum chloride, the extraction efficiency of Fe³⁺ is more than 99.9% with 0.20 mol/L TODGA in cyclohexane or n-dodecane. After several extractions, the iron impurities in the aluminum chloride can be deeply removed and the iron content in the solution is lower than 0.01 mg/L, indicating that it has potential application in industrial production.
- high purity aluminum chloride,
- purification,
- extraction,
- Fe (Ⅲ),
- N, N, N', N'-tetraoctyl-3-oxy-glutaramide
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