The Research on Effects of Different Binders on Performances of Carbonaceous Pelletizing in Industrial Silicon Production

Ni Yang; Gang Xie; Chong Jun Bao; Huai Ren Li; Xiao Hua Yu; Rong Xing Li; Zhan Liang Yu

doi:10.4028/www.scientific.net/MSF.833.101

Paper Titles

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The Research on Effects of Different Binders on Performances of Carbonaceous Pelletizing in Industrial Silicon Production
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Numerical Simulation of Polysilicon Chemical Vapor Deposition in Siemens Reactor
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Continuous Casting of a Multi-Crystalline Silicon Billet
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HomeMaterials Science ForumMaterials Science Forum Vol. 833The Research on Effects of Different Binders on...

The Research on Effects of Different Binders on Performances of Carbonaceous Pelletizing in Industrial Silicon Production

Abstract:

The use of powder materials in smelting process has some impact on the breathability of the burden, and it ultimately results in poor production and quality of industrial silicon. If pelletizing is prepared by these powder materials, it not only reduces production cost but also reuses waste effectively. It could protect forest resources productively and contributes to sustainable development if charcoal is replaced by pelletizing using as carbonaceous reducing agent. Different powders such as anthracite fine, petroleum coke powders, charcoal powders, silica fume have been produced in the production process of industrial silicon. Briquetting of these powders with a binder starch D was voted into submerged arc furnace not only utilizes the resources sufficiently, but also reduces the production costs. Effects of content of starch D as binder and CaO as pore former on compressive strength, the shatter strength, the heat intensity and porosity of pelletizing were investigated in this paper. The following results were got: first, the performances of pelletizing except porosity were excellent when starch D was used as binder; second, CaO could efficiently improve porosity, and the pelletizing could satisfy requirement of industrial silicon production.

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Periodical:

Materials Science Forum (Volume 833)

Pages:

101-106

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.833.101

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Online since:

November 2015

Authors:

Ni Yang*, Gang Xie, Chong Jun Bao, Huai Ren Li, Xiao Hua Yu, Rong Xing Li, Zhan Liang Yu

Keywords:

Binders, Carbonaceous Pelletizing, Industrial Silicon

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