The superiority of catalytic hydrogenation reducing to iron and sodium sulfide reducing is showed in both increasing yield and decreasing wastes.
对比说明了加氢法在提高产品收率、减少三废方面明显优于铁粉法和硫化钠法。
The cementing performance of such wastes as iron mine tailings, steel slag and oil shale residue was tested with XRD at middle temperature in the perspective of compressive strength and stability.
从抗压强度和安定性两方面测试了中温处理铁尾矿、钢渣及油页岩渣后物料的胶凝性能，利用XRD对中温处理后物料的物相组成进行了分析。
Research progress and development trend of iron oxide pigments produced by different industrial wastes and by-products are briefly introduced.
简述了以不同工业废副原料制备铁系颜料的研究进展及发展趋势。
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