Method for recycling supercritical waste liquid generated during process of producing silica aerogel blanket
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United States of America
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Dec 3, 2024
Grant Date -
Jul 23, 2020
app pub date -
Nov 13, 2018
filing date -
Nov 13, 2018
priority date (Note) -
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Abstract
Provided is a method for recycling supercritical waste liquid and a method for producing a silica aerogel blanket capable of reducing the production costs and preventing the deterioration in thermal insulation performance of a silica aerogel blanket, the method including adding sulfuric acid to supercritical waste liquid to remove ammonium ions in the form of ammonium sulfate salt, the ammonium ions which are present in the supercritical waste liquid, and reusing supercritical waste liquid from which the ammonium ions are removed.
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