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- Title
Catalytic Activity of Ceramic Honeycombs in the Exhaust Gas Oxidation of a Waste Treatment Plant.
- Authors
Knoll, Manuela; Schomäcker, Reinhard; Bungert, Bernd
- Abstract
The activity of ceramic honeycombs with varying material composition and degree of utilization is compared on a suitable model gas in a test plant. The tested honeycombs are standard products that have not been surface‐treated in any way. A propane‐air mixture was fed to the test plant and then oxidized in a high‐temperature furnace. The analysis of the conversion rate over the reaction temperature showed remarkable differences in activity. The honeycomb with the most promising results was further investigated with the exhaust gas from the drying process of a waste treatment plant. Finally, the activity of this honeycomb was assessed in a large‐scale trial in an existing running regenerative thermal oxidizer. The various honeycombs used in regenerative thermal oxidizers differ in their catalytic activity depending on material composition. The conversion rates of a propane‐air mixture and real exhaust gas from a waste treatment plant were investigated in selected honeycombs. The most active honeycomb was determined to significantly improve the efficiency of the exhaust gas cleaning process.
- Subjects
CATALYTIC oxidation; WASTE gases; THERMAL oxidation (Materials science); SEWAGE disposal plants; WASTE gas purification
- Publication
Chemical Engineering & Technology, 2019, Vol 42, Issue 2, p422
- ISSN
0930-7516
- Publication type
Article
- DOI
10.1002/ceat.201800237