Refining lurgi tar acids

Details Refining lurgi tar acids Refining lurgi tar acids

1982-07-14

1984-04-17

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568749, 568759, C07C 3774

Patent

active

044436360

ABSTRACT:
There is disclosed a process for removing tar bases and neutral oils from the Lurgi tar acids by treating the tar acids with aqueous sodium bisulfate to change the tar bases to salts and to hydrolyze the neutral oils to hydrolysis products and distilling the tar acids to obtain refined tar acid as the distillate while the tar base salts and neutral oil hydrolysis products remain as residue.

REFERENCES:
patent: 1029438 (1933-10-01), McKee
patent: 1819687 (1931-08-01), Miller
patent: 2006589 (1935-07-01), Engel

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