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  • Studies on destruction of silicon tetrachloride using microwave plasma jet.

Studies on destruction of silicon tetrachloride using microwave plasma jet.

Journal of hazardous materials (2009-09-15)
Lifeng Wu, Zhibin Ma, Aihua He, Jianhua Wang
ABSTRACT

A new method for destroying silicon tetrachloride has been proposed, which is based on a microwave plasma jet that operates at atmospheric pressure using hydrogen as work gas. The influence of input power (P) and silicon tetrachloride concentration (phi) on the percent destruction and removal of SiCl(4) was investigated. And the reclaimed solid byproducts were characterized by SEM, EDX and XRD. Species in the plasma, which were identified by atomic emission spectroscopy were found to include no halogen. Results indicate that the destruction efficiency of silicon tetrachloride can reach 96% when P=800 W and phi=1.0%, and the main solid byproduct was Si. The silicon deposited on the molybdenum substrate of the plasma reactor was yellow and typical nano-sized particles with grain size of 54 nm.

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Silicon tetrachloride solution, 1.0 M in methylene chloride
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Silicon tetrachloride, 99%
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Silicon tetrachloride, 99.998% trace metals basis
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100 mg
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CN¥2,176.58
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Silicon tetrachloride, packaged for use in deposition systems
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100 mg
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CN¥2,176.58