Technology of washing powder production in large scale.
洗衣粉的规模化生产技术。
2
The iron powder quality is ensured through tunnel kiln reduction and second reduction by using iron scale of high grade as raw material.
以优质铁鳞为原料，加强隧道窑和二次精还原工艺技术管理，确保铁粉质量。
3
Spray drying technology in large-scale production of spirulina platensis SCSpowder is elucidated and the effects of operational parameters on qualities of algal powder are analysed.