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Lactic acid production by electrodialysis Part II: Modelling

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Abstract

One interesting alternative to the usual end-of-pipe processes for treating waste water produced during cheese-making involves its fermentation to sodium lactate. Then, electrodialysis can be used to recover free lactic acid from the fermentation broth. The design and optimization of such a process is aided by a suitable mathematical model. This work presents a model of the performance of an electrodialysis stack to be used in such a process. Its reliability has been assessed by comparison with experimental data for free lactic acid recovery from sodium lactate solutions. A suitable procedure for estimating some process-dependent parameters is also discussed.

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Authors and Affiliations

  1. Dipartimento di Chimica Fisica Applicata, Politecnico di Milano, via Mancinelli 7, 20131, Milano, Italy

    N. BONIARDI

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  1. N. BONIARDI
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  2. R. ROTA
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  3. G. NANO
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  4. B. MAZZA
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BONIARDI , N., ROTA , R., NANO , G. et al. Lactic acid production by electrodialysis Part II: Modelling. Journal of Applied Electrochemistry 27, 135–145 (1997). https://doi.org/10.1023/A:1018491621471

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