Academic Journal
Nanofiltration as a purification step in production process of organic acids: Selectivity improvement by addition of an inorganic salt
| العنوان: | Nanofiltration as a purification step in production process of organic acids: Selectivity improvement by addition of an inorganic salt |
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| المؤلفون: | Umpuch, Chakkrit, Galier, Sylvain, Kanchanatawee, Sunthorn, Roux-de Balmann, Hélène |
| المساهمون: | Suranaree University of Technology (SUT), Laboratoire de Génie Chimique (LGC), Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT) |
| المصدر: | ISSN: 1359-5113 ; Process Biochemistry ; https://hal.science/hal-03548743 ; Process Biochemistry, 2010, 45 (11), pp.1763-1768. ⟨10.1016/J.PROCBIO.2010.01.015⟩. |
| بيانات النشر: | HAL CCSD Elsevier |
| سنة النشر: | 2010 |
| المجموعة: | Université Toulouse III - Paul Sabatier: HAL-UPS |
| مصطلحات موضوعية: | Nanofiltration, Lactate, Glucose, Salt addition, Separation, Selectivity, [CHIM.GENI]Chemical Sciences/Chemical engineering, [PHYS.MECA.MEFL]Physics [physics]/Mechanics [physics]/Fluid mechanics [physics.class-ph], [SDV.BIO]Life Sciences [q-bio]/Biotechnology, [SPI.FLUID]Engineering Sciences [physics]/Reactive fluid environment |
| الوصف: | International audience ; The aim of this study is to investigate to what extend the addition of an electrolyte (NaCl or Na2SO4) can improve the selectivity of the sodium lactate/glucose separation by nanofiltration. Experimental results were used to get the variation of the observed retentions versus the permeation flux and to evaluate the separation efficiency from the separation factor. In presence of NaCl, both glucose and lactate retentions slightly decrease and remain very close except at low permeation fluxes where the addition of NaCl has more effect on lactate retention than on glucose one. On the contrary, whilst the addition of Na2SO4 has no influence on glucose retention, a strong effect was pointed out on the lactate one, especially for high electrolyte concentrations for which negative retentions were obtained at low permeation fluxes. Then, the separation was much more improved by the addition of Na2SO4 compared to NaCl. A maximum separation factor of 1.9 was obtained with Na2SO4 at 0.25 M added to the glucose (0.1 M)/sodium lactate (0.1 M) solution whereas the separation was impossible without the addition of salt. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | English |
| Relation: | hal-03548743; https://hal.science/hal-03548743; https://hal.science/hal-03548743/document; https://hal.science/hal-03548743/file/Umpuch_5771.pdf; OATAO: 5771 |
| DOI: | 10.1016/J.PROCBIO.2010.01.015 |
| الاتاحة: | https://hal.science/hal-03548743 https://hal.science/hal-03548743/document https://hal.science/hal-03548743/file/Umpuch_5771.pdf https://doi.org/10.1016/J.PROCBIO.2010.01.015 |
| Rights: | info:eu-repo/semantics/OpenAccess |
| رقم الانضمام: | edsbas.A4742BD4 |
| قاعدة البيانات: | BASE |
| DOI: | 10.1016/J.PROCBIO.2010.01.015 |
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