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On-site carbon monoxide generation takes the next step

By Chemical Engineering |

Gas Innovations (La Porte, Tex.; www.gasinnovations.com) has signed a 15-year, pay-per-use agreement with Haldor Topsøe A/S (Topsøe; Lyngby, Denmark; www.topsoe.com) for a second on-site carbon-monoxide production unit, using Topsøe’s electrolytic Carbon Monoxide solution (eCOs) technology. The first eCOs unit in the U.S. has been operating at Gas Innovations since January 2016. The new unit will have ten-times larger capacity — 96 Nm3/h (3,650 std. ft3/h) of CO at up to 99.999 vol.% purity — and is expected to be online at the end of 2017. Topsøe’s eCOs is a new electrolysis cell technology that allows the safe, efficient, and cost-competitive production of CO directly at the site of facilities where the gas is needed. The heart of an eCOs plant is a solid-oxide electrolysis cell (SOEC) operating at 700–850°C. The CO2 “fuel” is fed to the unit, and is electrochemically reduced to CO, while O2 is generated at the anode. Any remaining unconverted CO2 is removed from the CO product gas using a combination of pressure-swing adsorption (PSA) and polisher units. On-site carbon-monoxide generation is a significant development to the medical, pharmaceutical, metallurgy, electronics and specialty chemicals industries,…
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