publication . Article . 2013

Propylene/Nitrogen Separation in a By-Stream of the Polypropylene Production: From Pilot Test and Model Validation to Industrial Scale Process Design and Optimization

Guler Narin; Ana M. Ribeiro; Alexandre Ferreira; Young Kyu Hwang; U-Hwang Lee; José M. Loureiro; Jong-San Chang; Alírio E. Rodrigues;
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  • Published: 22 Nov 2013 Journal: Industrial & Engineering Chemistry Research, volume 53, pages 9,199-9,213 (issn: 0888-5885, eissn: 1520-5045, Copyright policy)
  • Publisher: American Chemical Society (ACS)
  • Country: Portugal
Abstract
Two industrial-scale pressure swing adsorption (PSA) processes were designed and optimized by simulations: recovery of only nitrogen and recovery of both nitrogen and propylene from a polypropylene manufacture purge gas stream. MIL-100(Fe) granulates were used as adsorbent. The mathematical model employed in the simulations was verified by a PSA experiment. The effect of several operating parameters on the performance of the proposed PSA processes was investigated. For the nitrogen recovery, a 5-step 2-column PSA process produced a nitrogen stream of 95.4% purity with recovery of 85.2%, productivity of 6.0 mol N-2/kg adsorbent/h, and power consumption of 156 Wh/...
Subjects
free text keywords: Engenharia química, Engenharia química, Chemical engineering, Chemical engineering, :Engenharia química [Ciências da engenharia e tecnologias], :Chemical engineering [Engineering and technology], Industrial and Manufacturing Engineering, General Chemistry, General Chemical Engineering, Adsorption, Power consumption, Pressure swing adsorption, Chemistry, Process design, Purge, Polypropylene, chemistry.chemical_compound, Pilot test, Nitrogen, chemistry.chemical_element, Chromatography
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