Sorbent melts for capture of metals from combustion gases

Furnaces – Process – Treating fuel constituent or combustion product

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423103, F23J 1100

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056199376

ABSTRACT:
A cloud or dispersion of a particulate flux is formed in a combustion zone for the purpose of capturing metallic vapor from the combustion gas by formation of a eutectic of the metal and the flux, as a melt on at least the surfaces of the dispersed flux particles. The flux particles are heated within the combustion zone to a temperature sufficient to form the eutectic melt. The preferred flux particles utilized in the invention include conventional metallurgical fluxes, e.g. calcium carbonate, sodium carbonate and magnesium carbonate.

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Sorbents for Removal of Lead Compounds from Hot Flue Gases, AIChE Journal Feb. 1990, vol. 36, No. 2, pp. 307-309.
Metal Capture During Fluidized Bed Incineration of Wastes Contaminated with Lead Chloride; Accepted for publication by the Journal of Combustion Science & Technology; Lamar University, Department of Chemical Engineering; Jun. 26, 1991.
Sorbent Capture of Nickel, Lead, and Cadmium in a Laboratory Swirl Flame Incinerator; Prepared for oral presentation and Proceedings publication at the 25th International Symposium on Combustion, Irvine, CA Jul. 31-Aug. 5, 1994, revised Dec. 6, 1993, LINAK et al.
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