| 简介 |
FIELD : process engineering.
SUBSTANCE : invention relates to powder metallurgy. Metal chlorides in potassium chloride melt are subjected to magnesium-thermal reduction at heating and mixing. Reduced reaction mass is held without mixing for at least 30 minutes 800-900°C. Then, it is cooled and subjected to hydrometallurgical treatment with solution of salmiac with concentration 10-50 g/l of NH4Cl at 40-50°C for 30-60 minutes with powder production.
EFFECT : higher metal yield and powder homogeneity.
2 cl, 4 ex |
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