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CO2 detection in biogas plants
In biogas plants it is also necessary to continuously conduct CO2 measurements in order to ensure safe processes. Normally the CO2 concentration in biogas should be between 25 and 55 percent for reliable anaerobic decomposition of the organic material. Higher CO2 values can be an indicator of incomplete substrate degradation or substrate-related inhibition of bacterial activity. Both cases require the intervention of the plant operator.
For good air quality: CO2 detection in buildings
The composition of the air in buildings is very important for the health and well-being of the people who inhabit them. The Air Quality Regulation (DIN EN 1946-2) therefore defines a CO2 threshold value of 1,500 ppm in closed rooms. With CO2 sensors from smartGAS you ensure that the CO2 concentration of the room air is always in the “green zone”. The sensors measure not only the CO2 content of the air in ppm, but can also be used to control fans, ventilation flaps and valves. If the CO2 content of the room air exceeds a defined value, the ventilation system is automatically activated.
CO2 as a process gas in industry
Carbon dioxide is used in numerous industrial applications: It cools injection moulding processes in the plastic industry, for example, to reduce cycle times. It also occurs as an expanding agent in industrial foams and is used in the form of dry ice in preparation for painting, for deburring components, and for cleaning injection moulds. It also occurs in cement production, but in this case CO2 is generated as a by-product, which contributes to the greenhouse effect. In all of these examples the CO2 measurement is very important: It guarantees safe processes and helps companies to reduce environmentally harmful emissions.