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Absorption of odourous substances using selective gas-liquid separation processes.
Kai Freudenthal1, Ralf Otterpohl, Joachim Behrendt
1Hamburg University of Science and Technology, Institute of Municipal and Industrial Wastewater Management, Eissendorfer Strasse 42, 21073 Hamburg, Germany. freudenthal@tuhh.de
Waste Management (New York, N.Y.)
|September 13, 2005
Summary
This study introduces a low-cost screening test to evaluate washing liquids for improving gas scrubbers. The method uses an odour index to assess effectiveness in treating odorous industrial waste gases.
Area of Science:
- Environmental Engineering
- Chemical Engineering
Background:
- Absorption is a common method for treating odorous waste gases.
- Optimizing washing liquids can enhance gas scrubber efficiency.
Purpose of the Study:
- To propose a low-cost screening test for evaluating washing liquids.
- To simplify the analysis of absorptive performance for industrial waste gases.
Main Methods:
- Utilizing an odour index to identify primary odorants.
- Conducting experiments in industrial settings (chocolate factory, fat/oil refinery).
- Developing a screening test for washing liquid efficacy.
Main Results:
- The proposed screening test effectively assesses washing liquids.
- The odour index aids in analyzing absorptive performance.
- Experimental validation confirms the method's utility.
Conclusions:
- The screening test offers a cost-effective approach to optimize gas scrubber performance.
- The odour index is a valuable tool for understanding and improving odor treatment processes.