Absorption of odourous substances using selective gas-liquid separation processes |
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| Authors: | Freudenthal Kai Otterpohl Ralf Behrendt Joachim |
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| Institution: | Hamburg University of Science and Technology, Institute of Municipal and Industrial Wastewater Management, Eissendorfer Strasse 42, 21073 Hamburg, Germany. freudenthal@tuhh.de |
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| Abstract: | Absorption is one of the most widely used techniques for treating odourous waste gases. An improvement of the effectiveness of gas scrubbers can be achieved by using adapted washing liquids. A screening test is proposed as a low cost tool for testing washing liquids on industrial waste gases. The odour index is used to identify the main cause of the specific smell and to simplify the analysis of absorptive performances of washing liquids. The method is verified by experiments at a chocolate factory and a fat and oil refinery. |
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