System for coating particles employing a pneumatic transport rea

Details System for coating particles employing a pneumatic transport rea System for coating particles employing a pneumatic transport rea

1989-01-06

1990-06-26

Bueker, Richard

Coating apparatus

Gas or vapor deposition

Means to coat or impregnate particulate matter

118724, 118725, 427251, C23C 1644

Patent

active

049362500

ABSTRACT:
A reactor/transporter apparatus for coating particles by thermally decomposing at least one metal carbonyl into selected metal values and carbon monoxide with the metal values depositing on the particles. The reactor/transporter includes an upper end, a lower end and a source of transport fluid including the metal carbonyl. The transport fluid is supplied into the reactor/transporter for coating particles as they travel from the lower to the upper end. A separator is connected to the upper end of the reactor/transporter for separating the particles from the transport fluid. A downcomer is connected to the separator for collecting the particles. A heater heats the particles and a valve regulates the flow of particles into the reactor/transporter from the downcomer. In addition, the reactor/transporter has a purge vessel for removing coated particles.

REFERENCES:
patent: 3605685 (1971-09-01), West et al.
Webster's New Collegiate Dictionary, G. & C. Merriam Co., Springfield, Mass., (1961), p. 398.

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