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How To Dispose of Alnochromix Cleaner

January 19, 2021

Alnochromix

Q: How do you dispose of Alnochromix cleaner and sulfuric acid mixtures?   What kind of container can hold the mixture, and what are the outgasses?

A: Excellent question about what disposal and containers are recommend, and what outgasses are there from an Alnochromix®/sulfuric acid solution. The mixture of Alnochromix and concentrated sulfuric acid forms peroxydisulfuric acid, bisulfate salts, and persulfate salts, which will be present with sulfuric acid.  The mixture will outgas sulfur dioxide and oxygen when oxidizing organic residues.  This is why we recommend storing in a vented container.  Vent caps and other Alnochromix related products are available at Alconox.com in the shop.

High-density polyethylene is an acceptable container for spent solutions of Alnochromix cleaner and sulfuric acid. If the solution is spent there should be no more outgassing, however, if there is some active solution, a vented container used for disposal would be recommended.

Alnochromix solution may be neutralized with ammonium carbonate, yielding a mixture of ammonium  sulfate, carbon dioxide and water, or with calcium carbonate, yielding a mixture of calcium sulfate, carbon dioxide and water. Perform the neutralization procedure carefully, as solution may become hot (exothermic). We recommend giving the neutralized mixture to a hazardous waste handler for disposal. Always dispose of according to local, state, and federal environmental laws.

To request these or any Alconox Inc. detergent for free, please complete the questionnaire at Get Sample. For more information about any one of our Alconox Inc. detergents, consult the technical bulletin for each product. Or click here to access each of our detergent’s Safety Data Sheets.

Do you have a critical cleaning question for the experts at Alconox Inc.?  Search TechNotes to see if it’s been answered before or Ask Alconox.

Contact us any time: cleaning@alconox.com

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Filed Under: Alnochromix, Laboratory Tagged With: disposal of Alnochromix, HDPE, sulfuric acid

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