provision to separate a phosphorus from the sediment of rare earth channels for discharge of an environment for the coating of television screens and relevant process

摘要

A method and an arrangement for separating a red rare-earth phosphor of a color-television picture tube from the sediment in the drain channels of a screen-coating room, which sediment contains, in addition to various impurities, zinc-sulfide-base and zinc-cadmium-base green and blue phosphors.