Abstract
This study investigated the recycling of waste aluminium beverage cans into potash alum. The experimental procedure was carried out using concentrated H2SO4 and KOH solutions. The aluminium can pieces were dissolved in KOH solution. Then, the solution was reacted with H2SO4 solution and followed by crystallization in cold water. The results showed that the percentage yield of alum is 80% with 5 g of aluminium cans. The XRD, EDX and FTIR spectra of both commercial alum and prepared alum from experimental revealed that the two alums have essentially the same composition and have high purity.
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