fluid bed reactor silicon

Simulation of a Silicon CVD Spouted Fluidized Bed Reactor ...

fluidized bed reactor as well as a population balance equation representing particle growth and agglomeration. Experimental data obtained from semi-batch operation in

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Fluidized Bed Reactor Technology Stakes Its Claim in Solar ...

Fluidized Bed Reactor Technology Stakes Its Claim in Solar Polysilicon Manufacturing . El Segundo, Calif. (May 7, 2014)—Despite challenges related to purity and efficiency, low-cost Fluidized Bed Reactor (FBR) manufacturing technology is expected to make significant gains in the market for solar polysilicon during the next few years, according to a new report from IHS Technology (NYSE: IHS).

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Fluidized Bed Reactor Processes | SpringerLink

Fluidized bed reactors are widely used in the petrochemical (catalytic cracking) and chemical process industries (phthalic and maleic anhydride, oxychlorination of ethylene, acrylonitrile, alkylchloride production etc.). They are often selected as the reactor of choice for certain processes in which ...

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US8168123B2 - Fluidized bed reactor for production of high ...

Methods and apparatus for the production of high purity silicon including a fluidized bed reactor with one or more protective layers deposited on an inside surface of the fluidized bed reactor. The protective layer may be resistant to corrosion by fluidizing gases and silicon-bearing gases.

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Fluidized bed reactor - Wikipedia

A fluidized bed reactor (FBR) is a type of reactor device that can be used to carry out a variety of multiphase chemical reactions. In this type of reactor, a fluid (gas or liquid) ...

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Production of Silicon from SiH 4 in a Fluidized Bed ...

The reaction can be carried out, for example, in a fluidized bed reactor (FBR), as is already done on industrial scale [4], or in cen- trifugal chemical vapor deposition (C-CVD) reactor currently ...

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Development of fluidized bed reactors for silicon production

Development of fluidized bed reactors for silicon production Reducing the energy consumption in this step is therefore crucial in order to minimize the energy payback time of installed capacity. The most promising alternative to the conventional methods is fluidized bed reactors (FBR).

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REC Silicon's fluidized bed reactor (FBR) process

Our new silicon purification process, utilizing a Fluidized Bed Reactor (FBR), lowers the cost of making solar products and saves large amounts of electricity. Photovoltaic solar energy is widely available and environmentally friendly, and REC Silicon has taken this one step further.

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Silicon particle growth in a fluidized-bed reactor - Hsu ...

Abstract. This paper describes the overall operation of a 15 cm dia. fluidized-bed reactor for silicon production via silane pyrolysis. The fluidized-bed reactor has been characterized by its performance data and parametric effects.

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US8158093B2 - Fluidized bed reactor for production of high ...

Methods and apparatus for the production of high purity silicon including a fluidized bed reactor with one or more protective layers deposited on an inside surface of the fluidized bed reactor. The protective layer may be resistant to corrosion by fluidizing gases and silicon-bearing gases.

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Fluidized Bed CVD Silicon Carbide: AIP Conference ...

Silicon carbide (SiC) is used as a coating for the protection of nuclear fuel particles in HTGR reactors. Because of the large material and irradiation response data base SiC coated nuclear fuel is being considered for space power applications where temperatures are near those of HTGR reactors. The goal of this work was to evaluate the deposition of SiC using fluidized bed CVD techniques to ...

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Development of fluidized bed reactors for silicon ...

Fluidized bed reactors hold the potential to become the dominating CVD reactor for production of solar grade silicon. Large players in today's market like Renewable Energy Corporation (REC) are producing increasing amounts of their material through FBR instead of Siemens reactors.

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Polysilicon Plant (solar grade) with Hydrochlorination and ...

In the fluidized-bed reactors, the pure TCS is decomposed into pure silicon, STC, and hydrogen. The silicon is collected and sold to our customers. The STC is separated and purified from the unreacted TCS and then recycled to hydrogen reactor.

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Silicon particle growth in a fluidized‐bed reactor, Aiche ...

Silicon particle growth in a fluidized‐bed reactor The fluidized‐bed reactor has been characterized by its performance data and parametric effects. A withdrawal system is used to selectively remove big particles.

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Fluidized Bed Reactor Technology Stakes Its Claim in Solar ...

El Segundo, CA — Despite challenges related to purity and efficiency, low-cost Fluidized Bed Reactor (FBR) manufacturing technology is expected to make significant gains in the market for solar polysilicon during the next few years, according to a new report from IHS Technology.

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Recycling of SiCl4 in the manufacture of granular ...

A process that used chemical vapor deposition (CVD) from the mixture of trichlorosilane (SiHCl 3) and silicon tetrachloride (SiCl 4) for the production of polysilicon granules in a fluidized bed reactor (FBR) was studied.The effects of the reaction temperature (800–1200 °C), molar ratio of H 2 to SiHCl 3 and SiCl 4, and SiHCl 3 fraction in the mixture of SiHCl 3 and SiCl 4 (0–) were ...

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Modeling of Fluidized Bed Silicon Deposition Process

Modeling of the fluidized bed for silicon deposition is described. The model is intended for use as a means of improving fluidized bed reactor design and for the formulation of the research program in

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Direct Reaction of Silicon with Ethyl Chloride in a ...

Fluidized Bed Reactor Ihsan Hamawand, Thamer Mohammed, and Moayyed G. Jalhoom Abstract The aim of this work was to study the production of diethyldichlorosilane [(C 2H 5) ... through the condenser. Figure (1) show parts of the reactor system. The silicon …

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Fluidized bed reactor and a process using same to produce ...

Sep 25, 2018· According to the fluidized bed reactor of the present invention, as the resistivity of silicon decreases significantly above 400° C., and the higher the temperature, the less the resistivity is, the way of induction heating can be used to heat the silicon particles inside the reactor, avoiding a severe deposition of silicon on the reactor wall ...

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US Patent for Fluidized bed for production of ...

An improved fluidized bed reactor and a method for utilizing the fluidized bed reactor in the production of, for example, high purity polycrystalline silicon, by the pyrolysis of silane containing gas.

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Fluidized bed reactor - Open Source Ecology

Fluidized bed reactors (FBR) are chambers that allow the mixing of liquid or gas substrates with powdered catalysts such that the catalyst acts like a fluid, maximizing mixing and interaction.

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Producing Poly-Silicon from Silane in a Fluidized Bed Reactor

A multiscale model predicts silicon production yield and powder loss in a fluidized bed reactor for solar silicon production. The reaction module calculates the silicon vapor deposition and powder ...

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Producing Poly-Silicon from Silane in a Fluidized Bed Reactor

Our authors and editors. We are a community of more than 103,000 authors and editors from 3,291 institutions spanning 160 countries, including Nobel Prize winners and some of …

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US Patent for Fluidized bed reactor and method for ...

Granular polysilicon is produced in a fluidized-bed reactor by fluidizing silicon particles by means of a gas flow in a fluidized bed heated to a temperature of 850-1100° C., adding a silicon-containing reaction gas by means of a nozzle and depositing of silicon on the silicon particles, wherein, in at least 56% of an axially symmetric region ...

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