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US 12,555,698 B2Granted
Grit blasting
AssigneeDdp Specialty Electronic Materis US, LLC.
InventorsLeaelaf Mengistu Hailemariam, Katariina Majamaa
Life of this patent
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Abstract
Provided is a process for blast cleaning comprising subjecting a work surface to a blast stream, wherein the work surface is metal that is contaminated with one or more radioactive moiety, wherein the blast stream comprises water and one or more resin particles.
Claims14
A process for blast cleaning comprising contacting a work surface with a blast stream,
- wherein the work surface is metal that is contaminated with one or more radioactive moiety,
- wherein the blast stream comprises water and one or more resin particles,
- wherein the resin is an ion exchange resin that is crosslinked,
- wherein the blast stream is propelled at the work surface, and
- wherein at least a part of the radioactive moieties is removed from the work surface and attached to the particles of ion exchange resin.
2 more elements
Dependencies are inferred from the claim text.