Thermal waste gas purification of siliceous organic compounds - Case Study


Example: Electrical industry Similar tasks: Electronic industry, Coating, Waste management

When coating mica insulation materials, peaks of high contamination occur. The exhaust air containing organic compounds generates excess heat when oxidised in the regenerative thermal oxidiser (RTO). The properties of ceramic honeycomb blocks allow for the storage of that excess heat, for the production of high-pressure steam. During the destruction of contaminants, SiO2 is produced from siliceous components. The SiO2 accumulates in the burning chamber area of the ceramic blocks. In conventional heat exchangers these deposits are difficult to remove. CTP has developed a special kind of RTO with two grid levels which facilitates the cleaning of the ceramic layers with water, the canals of the honeycomb block allowing a washing process.

Summary: The cleaning problem of the heat exchangers was solved. The contaminants were destroyed efficiently and economically while steam for the production process was generated at no additional cost.

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