Color precursor removal from detergent range alkyl benzenes

Details Color precursor removal from detergent range alkyl benzenes Color precursor removal from detergent range alkyl benzenes

1982-06-25

1984-02-21

Cintins, Ivars C.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

210690, 210917, B01D 1500

Patent

active

044331967

ABSTRACT:
Extremely effective adsorbants are provided for removing color precursors from detergent range alkyl benzenes prior to sulfonation. The adsorbers provided are specific crystalline zeolites in a silica alumina matrix and bauxite clay having at least one material selected from the group consisting of ferric oxide, titanium dioxide and zirconium oxide which is activated by sulfuric acid then calcined to provide the effective adsorbant.

REFERENCES:
patent: 2688633 (1954-09-01), Cohen
patent: 3306945 (1967-02-01), Conviser
patent: 3338983 (1967-08-01), Thompson
patent: 3719704 (1973-03-01), Marquis

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