Method of removing asbestos from asbestos-containing materials by 99% through low temperature heat treatment

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United States of America Patent

PATENT NO 9079055
APP PUB NO 20140243575A1
SERIAL NO

14189519

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Abstract

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Disclosed is a method of removing asbestos from an asbestos-containing material by 99% through low temperature heat treatment. The method includes mixing an asbestos-containing material with an oxalic acid at a weight ratio in a range of 1:0.002 to 1:1 and performing heat treatment with respect to a mixture at a temperature of 90° C. to 110° C. to remove asbestos from the asbestos-containing material by 99% or more.

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Patent Owner(s)

  • KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chae, Soo-Chun Seoul, KR 6 1
Jang, Young-Nam Daejeon, KR 5 3
Lee, Myung-Kyu Daejeon, KR 23 134
Ryu, Kyoung-Won Daejeon, KR 1 0
Won, Hye-In Cheongju-si, KR 2 3

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