Two-stage in situ gas stripping for enhanced butanol fermentation and energy-saving product recovery

Xue, C; Zhao, JB; Liu, FF; Lu, CC; Yang, ST; Bai, FW

doi:10.1016/j.biortech.2012.07.062

Title: Two-stage in situ gas stripping for enhanced butanol fermentation and energy-saving product recovery

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Abstract

Two-stage gas stripping for butanol recovery from acetone-butanol-ethanol (ABE) fermentation with Clostridium acetobutylicum JB200 in a fibrous bed bioreactor was studied. Compared to fermentation without in situ gas stripping, more ABE (10.0 g/L acetone, 19.2 g/L butanol, 1.7 g/L ethanol vs. 7.9 g/L acetone, 16.2 g/L butanol, 1.4 g/L ethanol) were produced, with a higher butanol yield (0.25 g/g vs. 0.20 g/g) and productivity (0.40 g/L.h vs. 0.30 g/L-h) due to reduced butanol inhibition. The first-stage gas stripping produced a condensate containing 175.6 g/L butanol (227.0 g/L ABE), which after phase separation formed an organic phase containing 612.3 g/L butanol (660.7 g/L ABE) and an aqueous phase containing 101.3 g/L butanol (153.2 g/L ABE). After second-stage gas stripping, a highly concentrated product containing 420.3 g/L butanol (532.3 g/L ABE) was obtained. The process is thus effective in producing high-titer butanol that can be purified with much less energy. (C) 2012 Elsevier Ltd. All rights reserved.

Authors:: Xue, C; Zhao, JB; Liu, FF; Lu, CC; Yang, ST; Bai, FW

Publication Date:: Wed May 01 00:00:00 EDT 2013

Sponsoring Org.:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

OSTI Identifier:: 1211013

DOE Contract Number:: DE-AR0000095

Resource Type:: Journal Article

Journal Name:: Bioresource Technology

Additional Journal Information:: Journal Volume: 135; Journal ID: ISSN 0960-8524

Country of Publication:: United States

Language:: English

Citation Formats


                    Xue, C, Zhao, JB, Liu, FF, Lu, CC, Yang, ST, and Bai, FW. Two-stage in situ gas stripping for enhanced butanol fermentation and energy-saving product recovery.  United States: N. p., 2013. 
        Web.  doi:10.1016/j.biortech.2012.07.062.

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                    Xue, C, Zhao, JB, Liu, FF, Lu, CC, Yang, ST, & Bai, FW. Two-stage in situ gas stripping for enhanced butanol fermentation and energy-saving product recovery.  United States.  https://doi.org/10.1016/j.biortech.2012.07.062

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                    Xue, C, Zhao, JB, Liu, FF, Lu, CC, Yang, ST, and Bai, FW. 2013.  
        "Two-stage in situ gas stripping for enhanced butanol fermentation and energy-saving product recovery".  United States.  https://doi.org/10.1016/j.biortech.2012.07.062.

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@article{osti_1211013,

  title        = {Two-stage in situ gas stripping for enhanced butanol fermentation and energy-saving product recovery},

  author       = {Xue, C and Zhao, JB and Liu, FF and Lu, CC and Yang, ST and Bai, FW},

  abstractNote = {Two-stage gas stripping for butanol recovery from acetone-butanol-ethanol (ABE) fermentation with Clostridium acetobutylicum JB200 in a fibrous bed bioreactor was studied. Compared to fermentation without in situ gas stripping, more ABE (10.0 g/L acetone, 19.2 g/L butanol, 1.7 g/L ethanol vs. 7.9 g/L acetone, 16.2 g/L butanol, 1.4 g/L ethanol) were produced, with a higher butanol yield (0.25 g/g vs. 0.20 g/g) and productivity (0.40 g/L.h vs. 0.30 g/L-h) due to reduced butanol inhibition. The first-stage gas stripping produced a condensate containing 175.6 g/L butanol (227.0 g/L ABE), which after phase separation formed an organic phase containing 612.3 g/L butanol (660.7 g/L ABE) and an aqueous phase containing 101.3 g/L butanol (153.2 g/L ABE). After second-stage gas stripping, a highly concentrated product containing 420.3 g/L butanol (532.3 g/L ABE) was obtained. The process is thus effective in producing high-titer butanol that can be purified with much less energy. (C) 2012 Elsevier Ltd. All rights reserved.},

  doi          = {10.1016/j.biortech.2012.07.062},

  url          = {https://www.osti.gov/biblio/1211013},
  journal      = {Bioresource Technology},

  issn         = {0960-8524},

  number       = ,

  volume       = 135,

  place        = {United States},

  year         = {Wed May 01 00:00:00 EDT 2013},

  month        = {Wed May 01 00:00:00 EDT 2013}

}

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