| 简介 |
The invention concerns a manufacturing method based on alkali and/or alkaline-earth and/or rare earth silicate(s), optionally in the form of mixed silicates associating at least two of said elements, the method comprising : (i) preferably a reaction converting (1) halides of said alkalis and/or alkaline-earths and/or rare earths, into corresponding sulphates, and (ii) a reaction converting (2) said sulphates with silica into corresponding silicates, the thermal input required for said conversion being supplied, at least partly, by a combustion reactor (3) using one or several immersed burner(s).
© KIPO & WIPO 2007 |
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