Method of filtering molten metals using a monolithic refractory

Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes

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2105101, 210767, 266227, C22B 902

Patent

active

046816240

ABSTRACT:
A monolithic refractory honeycomb filter of zircon or zircon plus an oxide additive is useful to remove impurities from molten metal, particularly from molten steel. The filter has a frontal contact surface containing the openings of a plurality of through-and-through cells for passage of the molten metal. Impurities adhere to the frontal contact surface of the filter and to the cell walls themselves.

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