Process for the disposal of chlorinated organic products by sulp

Details Process for the disposal of chlorinated organic products by sulp Process for the disposal of chlorinated organic products by sulp

1993-11-18

1995-07-04

Straub, Gary P.

Hazardous or toxic waste destruction or containment

Containment

Solidification, vitrification, or cementation

2082625, 588207, A62D 300

Patent

active

054302315

ABSTRACT:
A process for the disposal of chlorinated organic products, wherein said products are first treated with a sulphonating or nitrating agent, and then are oxidized with an aqueous solution of H.sub.2 O.sub.2, in the presence of Fe(II) ions as catalysts, optionally in association with ions of other transition metals selected from Cu(II), Ti(IV), Mn(II), Co(II), Ni(II), W(IV), Mo(IV), or mixtures thereof. The process leads to a substantially complete elimination of the chlorinated organic products with consequent, considerable reduction of the Chemical Oxygen Demand (COD), and to a high mineralization degree of the organic chlorine atoms.

REFERENCES:
patent: 5118429 (1992-06-01), Anderson et al.
patent: 5290432 (1994-03-01), Friedman et al.
European Search Report Dated Jan. 25, 1994.
Derwent Abstract of JP-A-3 101 893 26 Apr. 91.
Derwent Abstract of JP-A-53 099 657 31 Aug. 78.

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