Process for recovering TNT isomers

Details Process for recovering TNT isomers Process for recovering TNT isomers

1979-12-26

1981-03-24

Sebastian, Leland A.

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

Organic compounds

Oxygen containing

C07G 7910

Patent

active

042582245

ABSTRACT:
A process for recovering pure 2,4,6-trinitrotoluene (TNT) from a crude TNT ixture containing unsymmetrical TNT isomers which comprises forming a homogeneous powder of the crude TNT and silica gel, introducing said powder at the top of a silica gel packed column, and resolving the TNT mixture into its component isomers by contacting said powder with a developing solvent system which is not reactive with the component isomers selected from the group consisting of polar organic solvents, non-polar organic solvents, and mixtures thereof having an energy of adsorption adequate to selectively adsorb the individual TNT isomers, such as a mixture of polar acetonitrile and non-polar trichloro trifluoroethane.

REFERENCES:
patent: 2874196 (1959-02-01), Norell
patent: 3949008 (1976-04-01), Rosenblatt et al.
patent: 3956409 (1976-04-01), Gilberg
patent: 4003953 (1977-01-01), Gilbert

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