Method of producing activated clay for treating aromatic hydroca

Details Method of producing activated clay for treating aromatic hydroca Method of producing activated clay for treating aromatic hydroca

1998-12-21

2000-09-19

Marcheschi, Michael

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106488, 502 81, 502 84, 502 85, C09C 142, C09C 102, B01J 2116, B01J 2012

Patent

active

061205958

ABSTRACT:
The present invention provides an activated clay for refining aromatic hydrocarbons such as BTX (benzene, toluene, xylene), etc., satisfying the requirements of both excellent life and excellent side-reaction-preventing property. The activated clay for treating aromatic hydrocarbons is obtained by treating dioctahedral smectite clay minerals with an acid so as to possess a BET specific surface area of not smaller than 250 m.sup.2 /g and to contain iron in an amount of not smaller than 2.5% by weight calculated as Fe.sub.2 O.sub.3.

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