METHOD FOR THE TREATMENT OF MALODOROUS SULFUR-CONTAINING WASTE WATERS

Process for de-odourising waste water (effluent) which has an unpleasant odour caused by organic sulphur compounds, characterised in that the waste water is treated with a concentration of free nitric acid of 1 - 30% by weight, preferably 2 - 10% by weight, under a pressure of 2 to 100 bar, preferab...

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Bibliographic Details
Main Authors ETZRODT, HEINZ, BAUR, KARL-GERHARD, MENGER, VOLKMAR
Format Patent
LanguageEnglish
German
Published 19.12.1990
Subjects
CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:Process for de-odourising waste water (effluent) which has an unpleasant odour caused by organic sulphur compounds, characterised in that the waste water is treated with a concentration of free nitric acid of 1 - 30% by weight, preferably 2 - 10% by weight, under a pressure of 2 to 100 bar, preferably between 5 to 50 bar, and at temperatures between 100 DEG to 300 DEG C, preferably 150 DEG to 250 DEG C.
Bibliography:Application Number: EP19880113910