Method for producing hydrogen and potassium alum from waste aluminum cans
A technology of pop cans and potassium alum, which is applied in the field of solid metal waste recycling, can solve problems such as waste of resource utility, high energy consumption, and dislocation of resource allocation, achieve great economic and social benefits, save energy, protect resources and beautify the environment Effect
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[0007] 1. Cleaning: Wash the waste aluminum cans with detergent and water according to the pollution situation;
[0008] 2. Alkali dissolution: put 10kg of cleaned waste aluminum cans into the sealed reactor, add 1.4ul potassium hydroxide solution 500L through the valve, and stir while heating until the reaction is complete;
[0009] 3. Hydrogen collection: The hydrogen generated by the above reaction is dehydrated and dried by molecular sieve or silica gel, and then transported to the required workshop by a booster pump or loaded into a high-pressure steel cylinder to become a commodity;
[0010] 4. Crystallization: Filter the liquid product after the reaction into the crystallizer through a pipeline filter, add 200L9M sulfuric acid, add while stirring, then heat to boiling, and crystallize after cooling to zero;
[0011] 5. Filtration and washing: the above-mentioned cooled and crystallized mixture is centrifugally filtered with a centrifuge, washed with a liquid with a rati...
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