| 摘要 |
FIELD: metallurgy; preparation of desulfurizing mixtures on base of calcium carbonate; desulfurization of iron. ^ SUBSTANCE: mixture contains the following components, mass-%: technical calcium carbide, more than 50 and/or lime, up to 40; aluminum, up to 20 and other additives, such as carbon-containing products and/or agents for protective coat, 10 as max and sulfur, 1-3.5. Mixture is used as powder at granulometry blow 250 mcm. ^ EFFECT: enhanced efficiency. ^ 7 cl, 4 ex |
