[1] W. Sabra, C. Groeger, A.P. Zeng, Microbial cell factories for diol production, Adv. Biochem. Eng. Biotechnol. (2015) 165-197.[2] J.J. Malinowski, Evaluation of liquid extraction potentials for downstream separation of 1,3-propanediol, Biotechnol. Tech. 13(1999) 127-130.[3] D. Wischral, J. Zhang, C. Cheng, M. Lin, L.M. De Souza, F.L.P. Pessoa, N. Pereira Jr., S.-T. Yang, Production of 1, 3-propanediol by Clostridium beijerinckii DSM 791 from crude glycerol and corn steep liquor:Process optimization and metabolic engineering, Bioresour. Technol. 212(2016) 100-110.[4] W.D. Deckwer, Microbial conversion of glycerol production to 1,3-propanediol, FEMS Microbiol. Rev. 16(1995) 143-149.[5] B.G. Hermann, M. Patel, Today's and tomorrow's bio-based bulk chemicals from white biotechnology:A techno-economic analysis, Appl. Biochem. Biotechnol. 136(2007) 361-388.[6] Z.L. Xiu, A.P. Zeng, Present state and perspective of downstream processing of biologically produced 1,3-propanediol and 2,3-butanediol, Appl. Microbiol. Biotechnol. 78(2008) 917-926.[7] P. Anand, R.K. Saxena, R.G. Marwah, A novel downstream process for 1, 3-propanediol from glycerol-based fermentation, Appl. Microbiol. Biotechnol. 90(2011) 1267-1276.[8] Z.L. Xiu, Z. Li, B. Jianng, Y. Sun, D. Zhang, Aqueous two-phase extraction of 1,3-propanediol from fermentation broth, China Pat, 200710010201.X, 2007.[9] R. Saxena, P. Anand, S. Saran, J. Isar, Microbial production of 1,3-propanediol:Recent developments and emerging opportunities, Biotechnol. Adv. 27(2009) 895-913.[10] A. Greve, M.R. Kula, Cost structure and estimation for the recycling of salt in a protein extraction process system, Bioprocess Eng. 6(1990) 173-177.[11] A. Louwrier, Model phase separations of proteins using aqueous/ethanol components, Biotechnol. Tech. 12(1998) 363-365.[12] B. Jiang, Z.G. Li, J.Y. Dai, D.J. Zhang, Aqueous two phase extraction of 2,3-butanediol from fermentation broths using an ethanol/phosphate system, Process Biochem. 44(2009) 112-117.[13] Z. Li, B. Jiang, D. Zhang, Z. Xiu, Aqueous two-phase extraction of 1,3-propanediol from glycerol-based fermentation broths, Sep. Purif. Technol. 66(2009) 472-478.[14] J.N. Sun, B. Rao, L.Y. Zhang, Y.L. Shen, Extraction of acetoin from fermentation broth using an acetone/phosphate aqueous two-phase system, Chem. Eng. Commun. 199(2012) 1492-1503.[15] D. Wischral, C.A. Barcelos, N. Pereira Jr., F.L.P. Pessoa, 1,3-Propanediol:Statistical optimization of medium to improve production by Clostridium beijerinckii DSM 791, J. Adv. Biotechnol. 5(2015) 614-623.[16] O. Aydogan, E. Bayraktar, U. Mehmetoglu, T. Kaeding, Selection and optimization of an aqueous two-phase system for the recovery of 1,3-propandiol from fermentation broth, Eng. Life Sci. 10(2010) 121-129.[17] J.Y. Dai, Y.L. Zhang, Z.L. Xiu, Salting-out extraction of 2,3-butanediol from Jerusalem artichoke-based fermentation broth, Chin. J. Chem. Eng. 19(2011) 682-686.[18] Z.G. Li, H. Teng, Z.L. Xiu, Extraction of 1,3-propanediol from glycerol-based fermentation broths with methanol/phosphate aqueous two-phase system, Process Biochem. 46(2011) 586-591.[19] Y. Sun, L. Yan, H. Fu, Z. Xiu, Selection and optimization of a salting-out extraction system for recovery of biobutanol from fermentation broth, Eng. Life Sci. 13(2013) 464-471.[20] H. Fu, S.-T. Yang, Z. Xiu, Phase separation in a salting-out extraction system of ethanol-ammonium sulphate, Sep. Purif. Technol. 148(2015) 32-37.[21] S. Shahriari, C.M.S.S. Neves, M.G. Freire, J.A.P. Coutinho, Role of the Hofmeister series in the formation of ionic-liquid-based aqueous biphasic systems, J. Phys. Chem. 116(2012) 7252-7258.[22] H. Fu, Y. Sun, Z. Xiu, Continuous countercurrent salting-out extraction of 1,3-propanediol from fermentation broth in a packed column, Process Biochem. 48(2013) 1381-1386.[23] Z.G. Li, Y.Q. Sun, W.L. Zheng, H. Teng, Z.L. Xiu, A novel and environment-friendly bioprocess of 1, 3-propanediol fermentation integrated with aqueous two-phase extraction by ethanol/sodium carbonate system, Biochem. Eng. J. 80(2013) 68-75.[24] C. Xue, J. Zhao, L. Chen, S.T. Yang, F. Bai, Recent advances and state-of-the-art strategies in strain and process engineering for biobutanol production by Clostridium acetobutylicum, Biotechnol. Adv. 35(2017) 310-322.[25] C. Xue, F. Liu, M. Xu, J. Zhao, L. Chen, J. Ren, F. Bai, S.T. Yang, A novel in situ gas stripping-pervaporation process integrated with acetone-butanol-ethanol fermentation for hyper n-butanol production, Biotechnol. Bioeng. 113(2016) 120-129.[26] C. Xue, M. Liu, X. Guo, E.P. Hudson, L. Chen, F. Bai, F. Liu, S.T. Yang, Bridging chemicaland bio-catalysis:High-value liquid transportation fuel production from renewable agricultural residues, Green Chem. 19(2017) 660-669.[27] H. Fu, Y. Sun, Hu Teng, D. Zhang, Z.L. Xiu, Salting-out extraction of carboxylic acids, Sep. Sci. Technol. 139(2015) 36-42.[28] H. Fu, J. Dai, Y. Sun, D. Zhang, Z.L. Xiu, Partition behavior of hydrophilic diols in an ethanol/ammonium sulfate salting-out extraction system, Eng. Life Sci. 15(2016) 797-803.[29] O. Aydogan, E. Bayraktar, U. Mehmetoglu, Aqueous two-phase extraction of lactic acid:Optimization by response surface methodology, Sep. Sci. Technol. 46(2011) 1164-1171.[30] B.C. Wei, Z.Y. Song, Y.Q. Sun, Z.L. Xiu, Salting-out extraction of lactic acid from fermentation broths, Chin. J. Chem. Eng. 12(2012) 44-48.[31] H. Fu, X. Wang, Y. Sun, L. Yan, J. Shen, J. Wang, S.T. Yang, Z.L. Xiu, Effects of saltingout and salting-out extraction on the separation of butyric acid, Sep. Sci. Technol. 180(2017) 44-50. |