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1. 发明申请

WO2002077325A1 PROCESS FOR PREPARING SILICON AND OPTIONALLY ALUMINUM AND SILUMIN(ALUMINUM-SILICON ALLOY) 审中-公开
标题翻译：制备硅和可选择的铝和硅（铝 - 硅合金）的方法
公开(公告)号：WO2002077325A1
公开(公告)日：2002-10-03
申请号：PCT/NO2002/000075
申请日：2002-02-21
申请人： NORWEGIAN SILICON REFINERY AS , STUBERGH, Jan, Reidar
发明人： STUBERGH, Jan, Reidar
IPC分类号： C25B1/00
CPC分类号： C25C3/36 , C25B1/006 , C25C3/06
摘要： Process for preparing highly purified silicon and optionally aluminum and silumin (aluminum silicon alloy) in the same cell, wherein silicate and/or quartz containing rocks are subjected to electrolysis in a salt melt containing fluoride, whereby silicon and aluminum are formed in the same bath, and aluminum formed, which may be low alloyed, flow to the bottom and is optionally drawn off, and deposit formed on the cathode is removed from the cathode and crushed, optionally together with the remaining electrolysis bath, concentrated sulfuric acid and then hydrochloric acid and water are added to the crushed material, liberated Si-grains float to the surface and are taken out and treated further as desired.
摘要翻译：在相同的电池中制备高纯度硅和任选的铝和硅铝白（铝硅合金）的方法，其中含有岩石的硅酸盐和/或石英在含氟化物的盐熔体中进行电解，由此在相同的浴中形成硅和铝，并且可能低合金化的铝流到底部并任选地被排出，并且阴极上形成的沉积物从阴极去除并任选地与剩余的电解槽一起粉碎，浓硫酸，然后加入盐酸并将水加入粉碎的材料中，释放的Si颗粒漂浮到表面，并根据需要进一步取出并处理。

2. 发明申请

WO2002072920A1 PROCESS FOR PREPARING SILICON CARBIDE AND OPTIONALLY ALUMINUM AND SILUMIN (ALUMINUM-SILICON ALLOY) 审中-公开
标题翻译：制备碳化硅和可选择的铝和硅（铝 - 铝合金）的方法
公开(公告)号：WO2002072920A1
公开(公告)日：2002-09-19
申请号：PCT/NO2002/000074
申请日：2002-02-21
申请人： NORWEGIAN SILICON REFINERY AS , STUBERGH, Jan, Reidar
发明人： STUBERGH, Jan, Reidar
IPC分类号： C25B1/00
CPC分类号： C25B1/006 , C01B32/956 , C01P2006/10 , C25C3/36
摘要： Process for preparing silicon carbide and optionally aluminum and silumin (aluminum silicon alloy) in the same cell, wherein; silicate and/or quartz containing rocks are subjected to electrolysis in a salt melt consisting of a fluoride-containing electrolysis bath, whereby silicon and aluminum are formed in the same bath, and formed aluminum, which may be low alloyed, flow towards the bottom and is optionally drawn off, carbon powder from the cathode material and/or from external sources is added directly to the molten bath or frozen bath in addition to the cathode deposit, the frozen bath and the cathode deposit being crushed before or after the addition of carbon particles; the obtained mixture is melted at a temperature above 1420°C, and SiC is crystallized by cooling.
摘要翻译：在同一电池中制备碳化硅和任选的铝和硅铝白（铝硅合金）的方法，其中; 硅酸盐和/或石英的岩石在由含氟化物电解浴组成的盐熔体中进行电解，由此在相同的浴中形成硅和铝，并且形成可能低合金化的铝向底部流动，任选地将阴极材料和/或外部来源的碳粉直接添加到熔池或冷冻浴中，除了阴极沉积物之外，冷冻浴和阴极沉积物在加入碳之前或之后被粉碎粒子; 将所得混合物在高于1420℃的温度下熔融，并通过冷却使SiC结晶。

3. 发明申请

WO2002068719A1 PROCESS FOR PREPARING SILICON BY ELECTROLYSIS AND CRYSTALLIZATION, AND PREPARING LOW-ALLOYED AND HIGH-ALLOYED ALUMINUM SILICON ALLOYS 审中-公开
标题翻译：通过电解和结晶法制备硅的方法，以及制备低合金和高合金铝硅合金
公开(公告)号：WO2002068719A1
公开(公告)日：2002-09-06
申请号：PCT/NO2002/000073
申请日：2002-02-21
申请人： NORWEGIAN SILICON REFINERY AS , STUBERGH, Jan, Reidar
发明人： STUBERGH, Jan, Reidar
IPC分类号： C25B1/00
CPC分类号： C25B1/006 , C25C3/36
摘要： Process for preparing highly purified silicon and optionally aluminum and silumin (aluminum silicon alloy) in the same cell, wherein silicate and/or quartz containing rocks are subjected to electrolysis in a salt melt containing fluoride, whereby silicon and aluminum are formed in the same bath, and aluminum formed, which may be low alloyed, flows to the bottom and is optionally drawn off, cathode with deposit is transferred to a Si-furnace, the deposit with Si on the cathode flows down to the bottom of the furnace, and the cathode is removed before melting Si in the furnace, orthe deposit on the cathode(s) is shuffled down into the bath, molten bath or frozen bath containing Si from the cathode deposit istransferred to a Si-furnace after AI has flowed down to the bottom of the electrolysis furnace and been drawn off, the silicon in the cathode deposit and/or from molten or frozen bath, is melted and separated from slag by allowing molten silicon to flow to thebottom in the Si-furnace, slag is stirred intimately into the silicon melt, whereafter slag and Si-melt separate directly, the slag is removed from the Si-melt, and the silicon is subjected to crystal rectification.
摘要翻译：在相同的电池中制备高纯度硅和任选的铝和硅铝白（铝硅合金）的方法，其中含有岩石的硅酸盐和/或石英在含氟化物的盐熔体中进行电解，由此在相同的浴中形成硅和铝，可能低合金化的铝流入底部，任选地被排出，沉积物的阴极转移到Si炉中，阴极上的沉积物向下流到炉底，并且在炉中熔化Si之前，将阴极除去，或将阴极沉积物洗涤到浴中，将AI从阴极沉积物的熔融浴或含有Si的冷冻浴转移到Si炉中，AI下降到底部的电解炉中，将阴极沉积物和/或熔融或冷冻浴中的硅通过使熔融硅流入Si炉中的底部而熔融并与炉渣分离，将渣直接搅拌到硅熔体中，然后直接分离炉渣和Si熔体，从Si熔体中除去炉渣，并对硅进行晶体整流。

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