Activated clay for treating aromatic hydrocarbons

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United States of America Patent

PATENT NO 9605090
SERIAL NO

14416179

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Abstract

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An activated clay for treating aromatic hydrocarbons, containing montmorillonite in an amount of not less than 34% by mass, having an SiO2/Al2O3 mol ratio in a range of 3.8 to 8.0, and desorbing ammonia in an amount in a range of 0.11 to 0.20 mmols/g as measured by the ammonia TPD method with the heat of adsorption in a range of 128 to 148 kJ/mol. The activated clay comprises an acid-treated product of smectite clay, imposes no limitation on the area where the starting clay is produced, and features long catalytic life free of dispersion in the properties.

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Patent Owner(s)

Patent OwnerAddress
MIZUSAWA INDUSTRIAL CHEMICALS LTD5-9 NIHONBASHI-HONCHO 1-CHOME CHUO-KU TOKYO 1030023

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saitoh, Yasuo Tokyo, JP 7 31
Takahashi, Noriyuki Tokyo, JP 139 1168

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