METHOD FOR THE TREATMENT OF MALODOROUS SULFUR-CONTAINING WASTE WATERS

• Main Authors: ETZRODT, HEINZ, BAUR, KARL-GERHARD, MENGER, VOLKMAR
• Format: Patent
• Language: English; German
• Published: 19.12.1990
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

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...