Thermal oxidation with regenerative heat recovery (RTO) for web offset (heatset) printing

Posing the tasks

Watchtower Bible & Tract Society, a world-wide operating organisation, is operating print shops to produce bibles, books and brochures via web-offset process.
Volatile organic compounds are emitted with the dryer exhaust air, which had to be treated with a suitable and economic system in order to meet the local emission legislation.

Solution / Highlights

With regard to the production process and the exhaust gas composition the 3-bed Regenerative Thermal Oxidizer technology of type ROXITHERM RTK can be see as best available technology for this kind of application.
With the use of high-efficient ceramic honeycomb blocks for heat transfer together with a compact unit design, ROXITHERM system provide maximum destruction efficiency and lowest running costs.
The ROXITHERM system will be pre-assembled at a high grade in the LTB workshop in Germany. This minimizes and simplifies world-wide installation of these systems.