定向凝固工艺是物理冶金法制备太阳能级多晶硅的一个重要环节。
Directional solidification process is an important part that of the physical metallurgy of solar energy polysilicon.
本发明涉及硅烷法生产太阳能级多晶硅工艺中副产品硫酸盐的处理方法。
The invention relates to a treatment method of a byproduct sulfate in the process of producing solar grade polysilicon through the silane method.
这种材料还需经进一步纯化处理，生成半导体级或太阳能级多晶硅原料。
This material is further purified to semiconductor-grade or solar-grade polysilicon feedstock.
全面介绍了太阳能级多晶硅的生产技术现状及有代表性的新工艺、新技术的研究动态。
The production status of solar grade silicon and development studies of its new representative processes and technologies were comprehensively introduced.
太阳能级多晶硅不仅是光伏产业的基础原材料，同时也是提纯制备半导体级硅的主要原材料。
Solar grade silicon(SoG-Si) is not only the basic raw materials of PV industry, but also is the mainly raw materials of semiconductor industry.
通过进一步工艺优化，可以继续提高提纯效果，制备整体纯度在5n以上的太阳能级多晶硅铸锭。
Through further technique optimizing, the purifying effect can be improved continually and the Mc-Si ingot with whole purity of 5n can be prepared.
目前公司正在做物料完全循环氢锌还原法生产多晶硅的中试试验工作，已生产出低成本的太阳能级多晶硅。
The company is doing material full cycle of hydrogen production of polycrystalline zinc reduction in a pilot work, which has produced low-cost solar grade polysilicon.
目前公司正在做物料完全循环氢锌还原法生产多晶硅的中试试验工作，已生产出低成本的太阳能级多晶硅。
The company is doing material full cycle of hydrogen production of polycrystalline zinc reduction in a pilot work, which has produced low-cost solar grade polysilicon.
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