High-capacity gas membrane elements reduce weight, cost

The Cynara division of Natco Group Inc. has developed and field tested a large-capacity gas separation membrane module. The 30-in. membrane system has a fourth as many membrane cases, reducing footprint and weight by at least 50%, and resulting in cost savings of 20-30% compared with an equivalent 16-in. membrane module design.The 30-in. module was placed into production service at Natco’s plant in Snyder, Tex., in March 2005. A year of operational experience demonstrates that the 30-in. module has higher-than-predicted capacity while maintaining performance equal to or better than four of the 16-in. modules at similar flow rates.Since starting up in 1983, the Snyder plant’s f...

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