Removing color from polyphenylated alkane

Details Removing color from polyphenylated alkane Removing color from polyphenylated alkane

1983-01-17

1983-12-27

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

585824, 585852, 585868, 208260, 208301, 208307, C07C 713

Patent

active

044232780

ABSTRACT:
Color may be removed from colored polyphenylated alkane by contacting this material with certain adsorbants. The adsorbants provided comprise certain crystalline zeolites in a silica alumina matrix and bauxite clay having at least one material selected from the group consisting of ferric oxide, titanium oxide, and zirconium oxide, which is activated by sulfuric acid and then calcined to provide the effective adsorbant.

REFERENCES:
patent: 1891109 (1932-12-01), Osterstrom
patent: 2932677 (1960-04-01), Kirk et al.
patent: 3363020 (1968-01-01), Majewski et al.
patent: 3835037 (1974-09-01), Fairweather et al.
patent: 4229612 (1980-10-01), Hall, Jr. et al.

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