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basic oxygen process

Also called the Linz-Donawitz process, a widely used process for making steel. The basic-lined converter has no tuyeres; a stream of pure oxygen at high pressure is blown through a lance onto the surface of molten pig irobn (low in phosphorus) mixed with scrap to help remove impurities. Developed in Lintz and Donawitz, Austria (1952), it has superceded the Bessemer process and open-hearth process.

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