Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Pigment or carbon black producer
Reexamination Certificate
2005-09-20
2005-09-20
Silverman, Stanley S. (Department: 1754)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Pigment or carbon black producer
C422S151000, C422S156000, C431S145000, C431S187000, C431S188000, C431S189000
Reexamination Certificate
active
06946101
ABSTRACT:
A burner for producing carbon black, includes a combustion chamber which can be supplied with fuel gas and an oxidizing gas in such a way that a diffusion flame producing carbon black particles is generated in the combustion chamber. The burner is also provided with a carbon-black discharge line. Carbon black formed in the combustion chamber can be discharged via an opening in the combustion chamber which feeds into the carbon-black discharge line. The discharge line is also provided with an opening through which an extinguishing gas can be supplied to the carbon-line. The burner permits the stable and reproducible production of carbon black particles which present well defined chemical and physical characteristics.
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Lianpeng Jing, “Generation of Combustion Soot Particles for Calibration Purposes,” 2nd ETH Workshop on Nanoparticle Measurement, ETH Hönggerberg Zürich, Switzerland, 1998, pp. 1-4.
Lish Peter J
Silverman Stanley S.
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