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Chemical Engineering MagazineChementator Briefs
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Chementator Briefs

By Edited by Gerald Ondrey |

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O2 recycling A beta field trial has been successfully completed for an adsorption-based technology designed to separate unreacted oxygen in ozone-generating systems. The technology, known as Ozora, was developed by Linde LLC (Bridgewater, N.J.; www.lindeus.com), and was originally launched last year (Chem. Eng., Dec. 2017, p. 11). The 9-month beta trial took place at a municipal water system in Haworth, N.J., and achieved 60% oxygen recovery in continuous operation for 1,500 h. Following the field trial, a full-scale Ozora system will be installed at the site. Onsite O3 generation is used by many municipal water utilities to disinfect drinking water. Corona-dischage ozone generators typically only convert 10% of O2 molecules to O3, with the rest lost. Ozora captures unreacted O2 molecules and recycles them to the O3 generator.  
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