SUPERCRITICAL DRYING METHOD FOR SILICA WET GEL BLANKET
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United States of America
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Oct 31, 2024
app pub date -
Jul 9, 2024
filing date -
Jul 9, 2024
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Abstract
A supercritical drying device for preparing a silica wet gel blanket, in which the accumulation of salts inside equipment during supercritical drying is prevented. The accumulation of salts inside equipment is prevented by cooling the line filter to have an outer surface temperature in a range of 0° C.-50° C. resulting in improved operational stability of the supercritical drying process. In addition, because a line filter can be separated and easily cleaned, the time required for cleaning and the total amount of ammonia wastewater from the cleaning can be reduced, thereby resulting in the effects of improved efficiency and reduced costs.
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