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J. Korean Ceram. Soc. > Volume 11(1); 1974 > Article
Journal of the Korean Ceramic Society 1974;11(1): 19.
고 알루미나질 내화물 원료로서 연천산 홍주석의 이용에 관한 연구 (I) -홍주석의 산출상태 및 일반적특성-
안영필, 최롱
한양대학교 요업공학과
A Study on the Utilization of Yun Chun Andalusite as a Raw Material of High Alumina Refractories (I) -On the Occurrence and General Characteristics-
The andalusite that can be found in mica shist near YunChun deposits were studied by means of an optical microscope, X-ray diffraction, thermal analysis of DTA and TGA, chemical analysis and refractoriness test to find out an appropriate method of concentration and purification for the utilization as a raw material of high alumina refractories, with the results: 1. The andalusite are has chiefly contained andalusite, muscovite and biotitei in addition to small amounts of chlorite, kyanite, disapore, quartz, alumandite adn pyrite, which vary from sample to sample. 2. Most of andalusite have occurred as light-red colored columns which are estimated to be an average of 4 by 0.5m/m in length. 3. Samples of andalusite which were dressed by cobbing and hand picking in the deposits have contained an average of 42% andalusite.
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