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PURIFICATION OF ALUMINUM THROUGH Al2O3 – AlF3 ACTIVE FILTRATION

• Lucas Nana Wiredu Damoah, Lifeng Zhang
• 2010

Filtration is the most cost effective method to purify aluminum. In this paper, filtration experiments have been carried out using both AlF3 slurry coated, and uncoated Al2O3 ceramic foam filter… (More)

Purification of solar grade silicon using electromagnetic field

• Anping Dong, Lucas Nana Wiredu Damoah, Lifeng Zhang, Hui Zhu
• 2010 35th IEEE Photovoltaic Specialists…
• 2010

Non-metallic particles and the metallic impurity elements in the solar cell silicon have a strong detrimental effect on the conversion efficiency of the solar cell. Removing these impurities is one… (More)

Non-metallic particles in Solar Grade Silicon (SoG-Si)

• Lucas Nana Wiredu Damoah, Anping Dong, Lifeng Zhang, Hui Zhu, Chenlei Wang
• 2010 35th IEEE Photovoltaic Specialists…
• 2010

This study investigated the non-metallic inclusions in Solar Grade Silicon (SoG-Si), especially the distribution of inclusions in the top 15mm layer of multicrystalline silicon ingot. The SoG-Si… (More)

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