Application of uniform test design in optimizing the flotation reagents of iron anionic reverse flotation circuit

• Autorzy: Hou Ying , Sobhy Ahmed

Identyfikatory

DOI

10.37190/ppmp/143889

• Języki publikacji: EN

Abstrakty

EN

Most iron reserves are low in grade with quartz as the main gangue mineral, and anionic reverse flotation has become the most crucial separation method in the processing plants of iron ore. Thus, a flotation feed sample that is a mixture of low-intensity and high-gradient magnetic separators concentrates was acquired from a processing plant. The sample characterizations with X-ray diffraction (XRD), X-ray fluorescence (XRF), laser particle size analyzer, and mineral liberation analysis (MLA) confirmed that the sample consists of iron oxide as a valuable mineral and quartz as a gangue mineral with adequate liberation degree. In the anionic reverse flotation, the interaction of the flotation reagents with the constituents of the feed makes the flotation a complex system. Thus, the selection and optimization of regent dosages were performed using a uniform experimental design to estimate the optimum separation efficiency. The optimum reagent system was 1.6 kg/Mg starch depressant, 1.0 kg/Mg calcium oxide (lime) activator, and 0.8 kg/Mg TD-II anionic collector. At the optimum, 68.90% iron grade with 92.62% recovery was produced.

Słowa kluczowe

EN

iron oxide; quartz; uniform test design; reverse flotation; optimization; flotation reagents

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Physicochemical Problems of Mineral Processing
• Rocznik: 2022
• Tom: Vol. 58, iss. 1
• Strony: 37--49
• Opis fizyczny: Bibliogr. 41 poz., rys. kolor.

Twórcy

autor

Hou Ying

• School of Mining Engineering, University of Science and Technology Liaoning, Anshan 114051, China

autor

Sobhy Ahmed

• School of Resources and Environmental Engineering, Shandong University of Technology, Zibo, 255049, China
• Minerals Technology Department, Central Metallurgical R&D Institute, Helwan, Cairo, 11421, Egypt

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