Pumps contribute to reducing CO2 emissions from steel mills
Special pumps are needed to circulate the fermentation broth in LanzaTech’s process that converts CO2 into ethanol (photo). The major difficulties for the centrifugal and axial pumps are the high gas content combined with the requirement of avoiding the generation of large gas bubbles and the destruction of the microorganisms that are performing the fermentation. This company supplied pumps that are designed to provide a well-ventilated circulation of fluid while maintaining acceptable yields. The company has succeeded in manufacturing such pumps. A first installation in a Chinese steel mill near Beijing is running smoothly, and a second one for the ArcelorMittal group in Belgium is currently under construction. — Emile Egger & Cie SA, Cressier, Switzerland