从材料成本来看，光伏需要提纯硅而光热不需要。
From the perspective of manufacturing costs, PV systems require purified silicon while solar-thermal ones do not.
冷等离子体提纯与湿法冶金是制造太阳级硅材料的两种重要方法。
Cold plasma purification and hydrometallurgy, having their own merits, were two of the most important methods to prepare low cost solar grade Silicon material.
从理论上分析了利用真空蒸馏的方法除磷提纯冶金级硅的可行性，并进行了真空条件下脱磷的实验研究。
In this paper, a theoretical analysis about the feasibility of phosphorus removal in metallurgical grade silicon with vacuum distillation, then an experiment was conducted.
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.
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.
本文讨论了在湿氢条件下，进行硅的无坩埚区域提纯时，所遇到的几个问题。
Synopsis: Some problems on zone refining of silicon without crucible by wet hydrogen treatment are discussed.
本发明涉及三氯氢硅三塔差压耦合节能精馏提纯系统及操作方法。
The invention relates to a trichlorosilane three-tower differential pressure coupling energy-saving rectifying and purifying system and an operating method.
本发明提出一种多晶硅生产过程中的三氯氢硅分离提纯系统及操作方法。
The invention provides a system for separating and purifying trichlorosilane in production process of polysilicon and an operation method thereof.
他没有拥有任何多晶硅提纯技术，他所有的专利都是不可能实现的。
He has no real technology of poly crystal silicon, nor his patents were realizable.
他没有拥有任何多晶硅提纯技术，他所有的专利都是不可能实现的。
He has no real technology of poly crystal silicon, nor his patents were realizable.
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