Hammond Group, Inc.

William Peter Wilke, Iv

Terrence Hyde Murphy

Philip Michael Kowalski

Hanns G Klotz

According to one or more embodiments presently described, a mixture of lead oxide and lead metal particles may be formed by a method that includes forming a molten metal lead material from a solid lead metal supply material, introducing the molten metal lead material into a reaction zone of a reactor, and contacting the molten metal lead material with an oxidizing gas in the reaction zone to oxidize a portion of the molten metal lead material and form at least solid lead oxide particles and solid lead metal particles. The molten metal lead material may be introduced to the reaction zone in a laminar flow or as atomized molten particles. The weight ratio of formed solid lead oxide particles to solid lead metal particles may be less than 99:1.

Methods and systems for forming mixtures of lead oxide and lead metal particles

According to one or more embodiments presently described, metal-containing particles may be made by a method that includes introducing a molten material into a reaction zone of a reactor system, passing a process gas into the reaction zone in a direction substantially tangential to a sidewall of the reaction zone, and contacting the process gas with the molten material in the reaction zone to form metal-containing particles. The molten material may be introduced into an upper portion of the reaction zone The reaction zone may include a substantially circular cross-section, and the molten metal may be introduced into the reaction zone in a laminar flow or as atomized particles.

Methods and systems for making metal-containing particles

The invention relates generally to the manufacture of ortho-rhombic litharge (yellow lead oxide) and in particular to a process for the continuous refining of litharge and a loopreactor for the refining of litharge.

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Saint John, IN, United States of America

William Peter Wilke, Iv