METHOD FOR PURIFYING COMPOUNDS CONTAINING PHOSPHONIC ACID GROUPS OR PHOSPHONATE GROUPS
The invention relates to a technical method for purifying compounds containing phosphoric acid groups or phosphoric groups, and to the use of said compounds, according to said method, for producing silicon, in particular highly pure so called solar silicon, from silicon dioxide and carbon.
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Main Authors | , , , , , , |
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Format | Patent |
Language | English French German |
Published |
26.08.2015
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to a technical method for purifying compounds containing phosphoric acid groups or phosphoric groups, and to the use of said compounds, according to said method, for producing silicon, in particular highly pure so called solar silicon, from silicon dioxide and carbon. |
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Bibliography: | Application Number: EP20130774175 |