Jiroft refractory manganese ore leaching using oxalic acid as reducing agent in sulfuric acid solution

• Autorzy: Sobouti Arash , Shafaat Niosha , Abdollahzadeh Ali A.

Identyfikatory

DOI

10.37190/ppmp/118227

• Języki publikacji: EN

Abstrakty

EN

Leaching process of Jiroft refractory manganese ore was investigated. The effects of operating parameters such as liquid to solid ratio, pulp temperature, sulfuric acid concentration, and oxalic acid concentration were studied and the optimization was done through the response surface methodology (RSM) based on central composite design (CCD) model. The recoveries of Mn, Fe and Si were selected as response of design. The optimum condition was determined by ANOVA, indicating that the liquid to solid ratio, oxalic acid concentration and pulp temperature for Mn recovery and liquid to solid ratio, pulp temperature and sulfuric acid concentration for Fe recovery and liquid to solid ratio for Si recovery were the most effective parameters, respectively. Under the optimum conditions of liquid to solid ratio= 11.8%, pulp temperature= 70 ℃ sulfuric acid concentration= 40 g/L and oxalic acid concentration= 35 g/L, 71.1%, 4.67% and 0.6% of Mn, Fe and Si were recovered, respectively.

Słowa kluczowe

EN

manganese; oxalic acid; sulfuric acid; leaching; optimization; Jiroft

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2020
• Tom: Vol. 56, iss. 2
• Strony: 374--385
• Opis fizyczny: Bibliogr. 31 poz., rys., tab., wykr., wz.

Twórcy

autor

Sobouti Arash

• Department of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran

autor

Shafaat Niosha

• Department of Mining Engineering, University of Kashan, Iran

autor

Abdollahzadeh Ali A.

• Department of Mining and Metallurgical Engineering, Amirkabir University of Technology, Tehran, Iran
• Department of Mining Engineering, University of Kashan, Iran

Bibliografia

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Uwagi

The studies presented in the article were developed in the frame of the project funded by Polish National Centre of Science (Narodowe Centrum Nauki) on the basis of a decision No. 2011/03/D/ST8/04467.