Color precursor removal from detergent alkyl benzenes
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United States of America Patent
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Aug 28, 1984
Issued Date -
N/A
app pub date -
Jan 3, 1984
filing date -
Jun 25, 1982
priority date (Note) -
Expired
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Abstract
An adsorbent is provided for removing color precursors from detergent range alkyl benzene prior to sulfonation. The adsorbent provided is a bauxite clay having at least one material selected from the group consisting of ferric oxide, titanium dioxide, and zirconium oxide and which contain from about 0.1 to about 20 percent by weight of sulfuric acid, said bauxite clay then being calcined at a temperature and time sufficient to activate the adsorbent prior to use.
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