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Catalytic NO(chi) reduction with simultaneous dioxin and furan oxidation
Marcel Goemans1, Patrick Clarysse, Joseph Joannès
1SEGHERSbetter Technology for Solids + Air, N. V. Hoofd 1, B-2830 Willebroek, Belgium. marcel_goemans@bettertechnology.com
Chemosphere
|April 11, 2003
Summary
This study details a catalytic flue gas cleaning component for municipal waste incinerators, demonstrating effective destruction of dioxins and furans (PCDD/F) and significant reduction in nitrogen oxides (NOx) and carbon monoxide (CO) emissions.
Area of Science:
- Environmental Engineering
- Chemical Engineering
- Catalysis
Background:
- Municipal waste incineration generates flue gases containing pollutants like PCDD/F, NOx, and CO.
- Effective flue gas cleaning is crucial for environmental protection and regulatory compliance.
Purpose of the Study:
- To evaluate the engineering, construction, performance, and costs of a catalytic flue gas cleaning component.
- To assess the component's effectiveness in reducing specific emissions from a municipal waste incinerator.
Main Methods:
- Case study of a Flemish incineration plant.
- Detailed analysis of catalyst design, process data, and financial aspects.
- Measurement of emissions before and after catalytic treatment.
Main Results:
- Demonstrated reliable destruction of Polychlorinated Dibenzo-p-dioxins and Dibenzofurans (PCDD/F) to 0.001 ng TEQ/Nm3 via catalytic oxidation.
- Achieved a 90% reduction in NOx emissions, down to approximately 50 mg/Nm3.
- Reduced CO emissions by 20%, to below 10 mg/Nm3.
Conclusions:
- The catalytic component is highly effective in reducing PCDD/F, NOx, and CO emissions from municipal waste incineration.
- The study provides valuable data on the performance and financial viability of this technology.