Process for preparation of anorthite sintered body
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United States of America Patent
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Nov 24, 1992
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N/A
app pub date -
Jul 6, 1988
filing date -
Jul 6, 1987
priority date (Note) -
Expired
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Abstract
Disclosed is a process for the preparation of an anorthite sintered body, which comprises preparing a formed body of at least one powder selected from the group consisting of (i) a calcium type zeolite having an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio lower than 3, (ii) an amorphous calcination product obtained by calcining said calcium type zeolite and (iii) a mixture of said calcium type zeolite or said amorphous calcination product and an alkaline earth metal compound, and sintering the formed body at a temperature lower than 1000.degree. C.
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