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US 2024/0190713 A1Published application
Systems and processes for producing ammonium sulfate from waste streams
AssigneeMarsulex Environmental Technologies Corporation
InventorsMichael Hammer, Bronwyn Graeffe
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Abstract
Systems and processes for producing ammonium sulfate that include providing an industrial waste material that includes at least lead sulfate and sulfuric acid. Ammonium hydroxide is added to the industrial waste material to raise the pH thereof and react the sulfuric acid to produce ammonium sulfate, and the lead sulfate is reacted with ammonium carbonate to produce lead carbonate.
Claims12
A process for producing ammonium sulfate, the process comprising:
- providing an industrial waste material that includes at least lead sulfate and sulfuric acid;
- adding ammonium hydroxide to the industrial waste material to raise the pH thereof and react the sulfuric acid to produce ammonium sulfate;
- and
- reacting the lead sulfate with ammonium carbonate to produce lead carbonate.
1 more element
Dependencies are inferred from the claim text.