Characterization of Alum Crystals Synthesized from Waste Aluminium Beverage Cans

Yun Ming Liew; Cheng Yong Heah; A.M. Mustafa Al Bakri; Hussin Kamarudin; Soo Jin Tan

doi:10.4028/www.scientific.net/MSF.857.514

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HomeMaterials Science ForumMaterials Science Forum Vol. 857Characterization of Alum Crystals Synthesized from...

Characterization of Alum Crystals Synthesized from Waste Aluminium Beverage Cans

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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Materials Science Forum (Volume 857)

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514-518

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.857.514

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Online since:

May 2016

Authors:

Yun Ming Liew, Cheng Yong Heah, A.M. Mustafa Al Bakri, Hussin Kamarudin, Soo Jin Tan

Keywords:

Alum, Aluminium, Beverage can, Characterization, Crystallization

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