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Considerations for Industrial Gas Purification

By Brian Warrick and Dan Spohn, Applied Energy Systems, Inc. |

Purity requirements and gas properties require different methods for the purification of industrial gases. Provided here are key considerations for selecting gas purification technology Industrial gases are critical for a wide range of applications throughout the chemical process industries (CPI). In most cases, industrial gases are produced to a particular purity specification, which means they may contain only a limited quantity of contaminants. For many applications, the gases provided by suppliers may not meet process specifications for a given process, meaning that the gas would require purification to further reduce contaminants. An improved understanding of industrial gas generation, storage and separation can help with the selection of the gas purification technology that meets process needs. A number of key considerations can have an impact on the type of gas purifier selected. These include the following: the production method for the gas supply; the purity of the gas source; how the gas source is packaged; the species of impurity molecules to be removed and the expected purity; as well as media selection, media capacity, space velocity, package design and shipping requirements. This article discusses the production of industrial…
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