Extractive acidogenic fermentation by a supported liquid membrane |
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| Affiliation: | 1. “Cristofor Simionescu” Faculty of Chemical Engineering and Environmental Protection, “Gheorghe Asachi” Technical University of Iaşi, 73 Prof. D. Mangeron, 70005 Iasi, Romania;2. Faculty of Medical Bioengineering, “Grigore T. Popa” University of Medicine and Pharmacy of Iasi, 9-13 M. Kogalniceanu, 700454 Iasi, Romania;1. State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, People''s Republic of China;2. Beijing Innovation Centre of Food Nutrition and Human Health, Beijing Technology & Business University, Beijing 100048, People''s Republic of China;1. Departamento de Medicina Interna, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España;2. Departamento de Bioquímica Clínica y Patología Molecular, Hospital Clínico Universitario Lozano Blesa, Zaragoza, España;3. Departamento de Cardiología, Hospital Clínico Universitario Lozano Blesa. ISS-Aragón, Zaragoza, España;1. Department of Chemical Engineering, Indian Institute of Technology, Delhi, New Delhi 110016, India;2. Donadeo Innovation Centre for Engineering, Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada;3. Advanced Separation and Analytical Laboratory, Department of Chemical Engineering, Visvesvaraya National Institute of Technology, Nagpur, Maharashtra 440010, India;4. Department of Chemical Engineering, Motilal Nehru National Institute of Technology, Allahabad, Uttar Pradesh 211004, India |
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| Abstract: | An on-line extractive fermentation system using a supported liquid membrane, recently termed pertractive fermentation, was investigated in order to overcome end-product inhibition and to enhance the productivity of microbial acidogenesis. It was observed that the pH of the fermentation broth was the key parameter for the successful operation of this pertractive fermentation system. At pH 4.8, 300 ml of broth and 80 sq·cm of extracting area, microbial activity in the system was prolonged and the productivity was enhanced about 5 fold compared to conventional acidogenic fermentation without extraction. |
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