Solvent extraction of nitrated organic compounds from aqueous so

Details Solvent extraction of nitrated organic compounds from aqueous so Solvent extraction of nitrated organic compounds from aqueous so

1981-11-23

1984-01-17

Spear, Jr., Frank A.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

B01D 1104

Patent

active

044262914

ABSTRACT:
This invention relates to a process for the separation of a nitrated substance from a spent nitrating acid wherein said nitrated substance contains polar groups selected from the group consisting of --SO.sub.3 H, --OH, --SH --CO.sub.2 H, --OSO.sub.3 H, and --OP(OH).sub.2 and their salts. This is achieved by:

REFERENCES:
patent: 2955903 (1960-10-01), Gaetani
Handbook of Chemistry and Physics, 1949, pp. 688, 689, 988, 989, 728 and 729. No.-634.

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