Method for Reducing Emissions

Competence made in Austria

The domestic environmental technology sector offers a number of appropriate technologies, which aim at the greatest possible avoidance of air pollutants. These technologies include filter systems, catalytic aftertreatment systems, post-combustion systems, emission reduction methods as well as particle filters for the purification of the exhaust air generated in various industrial processes (e.g. production of goods, energy supply).

• In addition to end-of-pipe technologies (e.g. filter systems), emissions in the company and private sector can also be minimized by replacing old boilers with low-emission biomass heaters, by connections to district heating networks and by thermal insulation measures. This makes clear that air pollution control and climate protection is interwoven with many other environmental and energy technology fields.
• Especially regenerative thermal oxidation (RTO) are part of post-cumbustion systems to remove organic air pollutants. In this exhaust air purification system, the exhaust gas flows through ceramic heat exchangers into the oxidation plant where harmful compounds are oxidized in the exhaust air without residue. The hot clean air releases thermal energy as it flows through the ceramic heat exchanger beds. This energy is still used in the process. This results in a much lower fuel requirement and thus a reduction in operating costs.
• In direct thermal oxidation (TO), all exhaust gas flows, whether liquid or gaseous, low or highly concentrated to explosive, are directly injected into the combustion chamber and oxidized there. The combustion chamber can be combined with a washing unit and a denitrification stage. The clean air can be supplied to a downstream heat recovery unit.

Catalytic aftertreatment systems

Austria offers comprehensive technical know-how for the best possible system solutions for exhaust gas purification. The catalytic post-treatment plants from Austria, which are in operation around the world, include Recuperative Catalytic Oxidation (CO), Regenerative Catalytic Oxidation (RCO), Selective Catalytic Reduction (SCR). For certain cases, the Selective Non-Catalytic Reduction (SNCR) is suitable.

Exhaust gas purification plants from Austria not only reduce industrial air pollution and contribute to the preservation of air purity, but also help to recover waste heat and reduce their energy consumption in industrial processes. In addition to supplying complete after-treatment systems for emission reduction, the production of catalysts is itself a significant production area in Austria.