Orion Scrubber Performs Double Duty Application An overseas gas blending and bottling plant had to ventilate cylinder usage areas to control toxic fugitive emissions as well as a catastrophic leak. There were five different gases of concern: Nitric Oxide; Nitrogen Dioxide; Sulfur Dioxide; Hydrogen Sulfide; and Ammonia. Ventilation air containing low levels of the gases needed to be continuously cleaned in a scrubber. In addition, high concentrations developed from a rapid cylinder leak also had to be mitigated, ideally with the same scrubber. The design of the emergency scrubber, therefore, centered on handling low levels of all these gases, as well as a concentration spike due to the entire contents leaking from any one cylinder. In other words – what was needed was one scrubber for

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