Recycling of carbonized rice husk for producing high purity silicon by the combination of electric arc smelting and slag refining

2019 ◽  
Vol 380 ◽  
pp. 120827 ◽  
Author(s):  
Jian Kong ◽  
Shuaibo Gao ◽  
Yang Liu ◽  
Xing Jin ◽  
Donghui Wei ◽  
...  
Keyword(s):  
Rice Husk ◽  
High Purity ◽  
Electric Arc ◽  
Slag Refining ◽  
High Purity Silicon

Clean Preparation of High-Purity Silicon from Rice Husk Ash by a Modified Metallurgical Method

JOM ◽  
2021 ◽  
Author(s):  
Jian Kong ◽  
Donghui Wei ◽  
Pengfei Xing ◽  
Yanxin Zhuang ◽  
Xing Jin ◽  
...  
Keyword(s):  
Rice Husk ◽  
High Purity ◽  
Rice Husk Ash ◽  
High Purity Silicon

The Interactions of Carbon and Nitrogen in Liquid Silicon

2014 ◽  
Vol 33 (4) ◽  
pp. 363-368 ◽  
Author(s):  
Halvor Dalaker ◽  
Merete Tangstad
Keyword(s):  
Silicon Nitride ◽  
Carbon Source ◽  
Nitrogen Content ◽  
High Purity ◽  
Liquid Silicon ◽  
Interaction Parameters ◽  
Carbon And Nitrogen ◽  
Temperature Range ◽  
High Purity Silicon

AbstractThe interactions between carbon and nitrogen in liquid silicon have been studied experimentally. High purity silicon was melted in silicon nitride crucibles under an Ar atmosphere with a graphite slab inserted in the crucible prior to melting as a carbon source. The system was thus simultaneously equilibrated with Si3N4 and SiC. Samples were extracted in the temperature range 1695–1798 K and analyzed using Leco.It was observed that the simultaneous saturation of nitrogen and carbon caused a significant increase in the solubilities of both elements. The interaction parameters were derived as The solubility of carbon in liquid silicon as a function of temperature and nitrogen content was found to follow: And the solubility of nitrogen in liquid silicon found to follow:

Processing high-purity silicon used for sensor applications

1989 ◽  
Vol 16 (3) ◽  
pp. 287-298 ◽  
Author(s):  
W.R.Th. Ten Kate ◽  
S.A. Audet
Keyword(s):  
High Purity ◽  
Sensor Applications ◽  
High Purity Silicon
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