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Title: Hollow Fibers Structured Packings in Olefin/Paraffin Distillation: Apparatus Scale-Up and Long-Term Stability

Abstract

Following the conceptual demonstration of high separation efficiency and column capacity obtained in olefin/paraffin distillation using hollow fiber structured packings (HFSPs) in a bench scale (J. Membr. Sci.2006, 2007, and 2010), we scaled-up this process with a 10-fold increase in the internal flow rate and a 3-fold increase in the module length. We confirmed that the HFSPs technology gives high separation efficiency and column capacity in iso-/n-butane distillation for 18 months. We systematically investigated the effects of packing density, concentration of light component, reflux ratio, and module age on the separation efficiency and operating stability. The comprehensive characterizations using scanning electron microscopy (SEM), Brunauer–Emmett–Teller (BET), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and dynamic mechanical analysis (DMA) were carried out to probe the changes in the morphological, thermal, and mechanical properties of polypropylene (PP) hollow fibers over the aging process. Our results suggest that after a long-term exposure to light hydrocarbon environments at ≤70 °C the morphological and mechanical properties of the PP polymer do not degrade significantly in a propane/propylene and iso-/n-butane environment.

Authors:
 [1];  [1];  [1];  [2]
+ Show Author Affiliations
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Morrison Consultants, El Rito, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1304698
Report Number(s):
LA-UR-13-20176
Journal ID: ISSN 0888-5885
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Industrial and Engineering Chemistry Research
Additional Journal Information:
Journal Volume: 52; Journal Issue: 26; Journal ID: ISSN 0888-5885
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; hollow fibers; polypropylene; propane/propylene; iso-/n-butane; light hydrocarbons; hollow fiber structured packings (HFSPs); thermal stability; distillation

Citation Formats

Yang, Dali, Le, Loan, Martinez, Ronald, and Morrison, Malcolm. Hollow Fibers Structured Packings in Olefin/Paraffin Distillation: Apparatus Scale-Up and Long-Term Stability. United States: N. p., 2013. Web. doi:10.1021/ie400126y.
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Yang, Dali, Le, Loan, Martinez, Ronald, & Morrison, Malcolm. Hollow Fibers Structured Packings in Olefin/Paraffin Distillation: Apparatus Scale-Up and Long-Term Stability. United States. https://doi.org/10.1021/ie400126y
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Yang, Dali, Le, Loan, Martinez, Ronald, and Morrison, Malcolm. Fri . "Hollow Fibers Structured Packings in Olefin/Paraffin Distillation: Apparatus Scale-Up and Long-Term Stability". United States. https://doi.org/10.1021/ie400126y. https://www.osti.gov/servlets/purl/1304698.
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@article{osti_1304698,
title = {Hollow Fibers Structured Packings in Olefin/Paraffin Distillation: Apparatus Scale-Up and Long-Term Stability},
author = {Yang, Dali and Le, Loan and Martinez, Ronald and Morrison, Malcolm},
abstractNote = {Following the conceptual demonstration of high separation efficiency and column capacity obtained in olefin/paraffin distillation using hollow fiber structured packings (HFSPs) in a bench scale (J. Membr. Sci.2006, 2007, and 2010), we scaled-up this process with a 10-fold increase in the internal flow rate and a 3-fold increase in the module length. We confirmed that the HFSPs technology gives high separation efficiency and column capacity in iso-/n-butane distillation for 18 months. We systematically investigated the effects of packing density, concentration of light component, reflux ratio, and module age on the separation efficiency and operating stability. The comprehensive characterizations using scanning electron microscopy (SEM), Brunauer–Emmett–Teller (BET), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and dynamic mechanical analysis (DMA) were carried out to probe the changes in the morphological, thermal, and mechanical properties of polypropylene (PP) hollow fibers over the aging process. Our results suggest that after a long-term exposure to light hydrocarbon environments at ≤70 °C the morphological and mechanical properties of the PP polymer do not degrade significantly in a propane/propylene and iso-/n-butane environment.},
doi = {10.1021/ie400126y},
journal = {Industrial and Engineering Chemistry Research},
number = 26,
volume = 52,
place = {United States},
year = {Fri Jun 21 00:00:00 EDT 2013},
month = {Fri Jun 21 00:00:00 EDT 2013}
}
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https://doi.org/10.1021/ie400126y
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    Works referencing / citing this record:

    A Bibliometric Survey of Paraffin/Olefin Separation Using Membranes
    journal, November 2019

    • Miranda, Débora Micheline Vaz de; Dutra, Luciana da Silva; Way, Débora
    • Membranes, Vol. 9, Issue 12
    • DOI: 10.3390/membranes9120157

    Distillation of alcohol/water solution in hybrid metal–organic framework hollow fibers
    journal, June 2019

    • Su, Pengcheng; Zhang, Xu; Li, Yang
    • AIChE Journal, Vol. 65, Issue 9
    • DOI: 10.1002/aic.16693
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