Reduction of aromatic halide content

Details Reduction of aromatic halide content Reduction of aromatic halide content

1993-10-14

1994-09-06

Lewis, Michael

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

588207, 588248, C07C 126

Patent

active

053450310

ABSTRACT:
The halide content of halogenated aromatic hydrocarbons such as PCBs can be reduced by treatment with a reagent comprising (i) at least one complex of a transition metal of group 4 or 5 with a multidentate or unidentate organic or inorganic ligand and (ii) a reducing agent. The reaction is conducted in the presence of an aliphatic or aromatic amine, optionally in the presence of an inert organic solvent.

REFERENCES:
patent: 4188346 (1980-02-01), Markley
patent: 4447667 (1984-05-01), Parker et al.
patent: 5004551 (1991-04-01), Sublette
Dennis, Jr. et al., Bull. Environmental Contam. Toxicology, vol. 22, pp. 750-753 (1979).
Meunier et al., Journ. of Organometallic Chemistry, vol. 204, pp. 345-346 (1981).

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