Exhaust gas purification systems AGU TWINN

Exhaust gas purification using cold plasma processes or non-thermal oxidation for VOCs and odorous substances offers a modern and resource-saving solution: the exhaust gas purification systems using the cold plasma process developed and patented by AGU Umwelttechnik operate in two stages in a two-channel system.

First stage, ionization

First, the exhaust air is ionized. Pollutants and odorous substances are broken down to a considerable extent by micro-oxidation. Ionization is achieved by ionization tubes built into two channels, which work on the basis of corona discharge. Corona discharge causes oxygen molecules to take on a positive and negative charge and thus become energy carriers, also known as ions. In the channel of the exhaust gas purification system, VOCs and odorous substances are mixed with highly ionized air, which leads to cold combustion, also known as micro-oxidation or non-thermal oxidation.

Second stage, residual cleaning

In the second cleaning stage, a small activated carbon package is connected downstream, which absorbs the remaining pollutants, whereby the clean gas reaches the appropriate cleaning level. With the help of a two-channel system, the activated carbon in channel A can clean the residual substances from the polluted exhaust air , while in channel B the highly ionized air is passed over the activated carbon package and thus cleans the activated carbon again. This process gives the activated carbon a very long service life. Odors and pollutants in the industrial exhaust air are broken down to a considerable extent and legal requirements according to TA-Luft are met. The alternating channels also make the often used 24-hour operation possible.

In contrast to thermal afterburning, exhaust gas purification systems using the cold plasma process are CO₂-neutral due to their low energy requirements and comply with the requirements of the Energy Saving Ordinance. No gas is required as an additional fuel and there are no lead times for the operation of the exhaust gas purification systems. The company AGU Umwelttechnik developed and patented the exhaust gas purification using the cold plasma process.