These include the TDA Research Inc. chemical absorbent -
based air separation process for low - cost oxygen to be used in IGCC power plants, and a grant, of around $ 2 million, to Ohio State University for developing a chemical looping gasification technology.
Advancements in solar - thermochemical
air separation based on perovskite oxides J Vieten, B Bulfin, M Roeb, C Sattler — researchgate.net Pure nitrogen and oxygen are required in many industrial processes, such as the production of ammonia in the Haber - Bosch process.