open-hearth process

The process of coal tar steelmaking in special steel open hearth is described in this paper.

介绍了特钢平炉煤焦油炼钢工艺。

The study on catalytic performance of fine ferrite derived from open-heath dust;

平炉尘合成超细铁氧体催化性能研究

Studies on magnetic properties of fine MnFe_2O_4 by open-heath dust;

平炉尘合成MnFe_2O_4的磁性分析

Studies of mechanism of preparation of fine ferrite by using open-heath dust;

平炉尘合成超细铁氧体机理研究

With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material.

利用钢铁厂平炉尘制备中温变换催化剂,制备成本低,工艺简单,活性达到部颁标准,具有明显的经济效益。

Fe3O4 produced from open-hearth dust and Fe2+ employing surfectant makes particles much fine.

同时用平炉尘制备了中温变换催化剂，成本低，工艺简单，活性达到化工部部颁标准。