The separation of oxygen from the air is of both economic and ecological importance for many large-scale commercial processes. To be able to use the methane contained in natural gas as a base material for the chemical industry, it needs to be partially oxidized to synthesis gas (syngas), a mix of carbon monoxide and hydrogen. So far it has chiefly been the provision of pure oxygen by means of cryogen air separation which has driven the costs for the industrial manufacture of syngas to a high level. During the past few years mixed conductive perovskites have increasingly come into focus as membrane materials for the selective separation of oxygen from air-gas mixtures.
Plasma-induced CO2 conversion
The Kopernikus satellite project PiCK is developing a novel process employing implementing regenerative electrical energy to utilize climate-damaging CO2 as a carbon source. A combination of plasma and membrane processes will be used to break down CO2 into O2 and CO, which serves as the starting product for the synthesis of platform chemicals and chemical energy stores such as methanol. Within the framework of the project, gas-tight ceramic capillaries were produced at IGB for the first time. These capillaries are both CO2-stable and suitable for the separation of oxygen from a plasma.
Duration: February 2017 – February 2020