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Microwave plasma reactor prototypes for nanoparticle synthesis
Microwave plasma reactor prototypes for nanoparticle synthesis
Project Summary
In the conventional technology, manufacture of solar grade silicon (SOG-Si) is carried out by the path – smelting of quartz to metallurgical grade Si (MG-Si) in an electric arc furnace (EAF) and then refining of the MG-Si to produce SOG-Si by chemical vapour deposition process (Siemens process). However, this conventional technique is not environmentally friendly due to the loss of energy-contained off-gases (SiO and CO) in EAF and use of toxic additives in Siemens process. Thus, we are proposing a low cost and environmentally friendly alternative where we will use plasma enhanced reduction of locally available silica (quartz) using atmospheric pressure microwave plasma which is both efficient and clean.
Design Overview
Reactor Prototype 1
Reactor Prototype 2
Proposed waveguide design for Prototype 3
Stable test run of Prototype 2
See detail of the project at ResearchGate
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