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LanzaTech, Siemens sign 10-year development deal for biofuels, chemicals from steel mill gas

| June 19, 2013

In Illinois, Siemens and LanzaTech signed a ten-year co-operation agreement to develop and market integrated environmental solutions for the steel industry worldwide. The collaboration will utilize the ground-breaking fermentation technology developed by LanzaTech transforming carbon-rich off-gases generated by the steel industry into low carbon bioethanol and other platform chemicals. Siemens and LanzaTech will work together on process integration and optimization, and on the marketing and realization of customer projects.

Off-gases from the production of iron and steel contain significant amounts of carbon monoxide (CO) and carbon dioxide (CO2). Globally, the iron and steel industry contributes 6.7 percent to the worldwide CO2 emissions. To produce one metric ton of steel, an average of 1.8 metric tons of carbon dioxide (CO2) is emitted. Up to now, these gases have been flared or used to create process heat and electrical energy within the plant.

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