alum from waste aluminum cans - chymistbe used that transforms scrap aluminum into a useful chemical compound, . When the acidified aluminum sulfate solution is cooled, potassium aluminum sulfate . During the reaction, the initially colorless mixture will turn dark gray or black.can aluminum sulfate be turned into aluminum,IntroductionAluminum was made into expensive bracelets alongside gold, and . compound commonly called alum (specifically, aluminum potassium sulfate, KAl(SO4)2). . The aluminum and hydroxide will combine to form Al(OH)4- and H2(g). . First, the Al(OH)4-(aq) species is converted into Al(OH)3 (s), which is a white precipitate.
can aluminum sulfate be turned into aluminum