Continuous lactic acid fermentation with concentrated product recovery by ultrafiltration and electrodialysis

Boyaval, Patrick; Corre, C.; Terre, S.

doi:10.1007/bf01024568

Cited by 139 publications

(41 citation statements)

References 5 publications

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“…Among them, the continuous electrodialytic removal of lactic (Boyaval et al, 1987) and itaconic (Bauer et al, 1991) acids from their corresponding production media.…”

Section: Introductionmentioning

confidence: 99%

Effect of some operating variables on citrate recovery from model solutions by electrodialysis

Moresi

Sappino

1998

Biotechnol. Bioeng.

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The effect of pH and temperature (θ) on the overall performance indicators (i.e., solute recovery, ρ, and Faraday, η, efficiencies; specific energy consumption, ϵ, solute, JS, and water, JW, fluxes) of batch electrodialytic recovery of citric acid from model solutions was assessed at different values of feed solute concentration (cSf) and electric current density (j). Regardless of the initial feed concentration used, ρ and JS were found to be independent of θ; η and JW exhibited a positive trend with respect to θ, while ϵ a negative one. At the maximum temperature tested (33°C), as the pH of the feed solution was varied from 3 to 7, ρ increased from 0.90 ± 0.08 to 0.97 ± 0.02, η grew from 0.09 ± 0.02 to 0.50 ± 0.01, JS practically doubled, ϵ reduced about 8 times, but JW increased from 3 to 4 times. So, the optimal conditions for this technique are to be determined by balancing the savings in the investment and maintenance costs against the energy costs. © John Wiley & Sons, Inc. Biotechnol Bioeng 59:344–350, 1998.

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“…Among them, the continuous electrodialytic removal of lactic (Boyaval et al, 1987) and itaconic (Bauer et al, 1991) acids from their corresponding production media.…”

Section: Introductionmentioning

confidence: 99%

Effect of some operating variables on citrate recovery from model solutions by electrodialysis

Moresi

Sappino

1998

Biotechnol. Bioeng.

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“…To prevent this inhibition, an alkali, such as CaCOa,NaOH or NH4OH is usually employed. Recently, the electrodialysis and membrane separation technique were also used to aUeviate the inhibition (Vickroy et al , 1982;Hongo et al , 1986;Boyaval et al , 1987). Extractive fermentation is a ~" Present address : Department of Environmental Engineering, Tsinghua University, Beijing 100084,P.…”

Section: Introductionmentioning

confidence: 98%

Extractive fermentation of lactic acid by immobilizedLactobacillus casei using ion—exchange resin

1994

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SUMMARYA novel method of lactic acid fermentation by Lactoba~lus case/immobilized in Ca--alginate gels is described, in which an ion--exchange resin packed column is attached to a fermentor for separation of lactic acid from fermentative broth. The technique successfully alleviated the restriction imposed by lactic acid on bacterial growth and product formation. As compared to the conventional batch fermentation, the new fermentation technique enhanced the lactic acid productivity and sugar conversion rate from 0. 328 g/L 9 h and 88. 2% to 0. 482 g/L 9 h and 98.6%, respectively.

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“…In addition, with a view to bioreactor developments, the performances of novel systems have been frequently compared to conventional continuous cultures (Friedman and Gaden 1970;Stieber and Gerhardt 1981;Stenroos et al 1982;Vick Roy et Offprint requests to: A. Pareilleux al. 1983;Boyaval et al 1987).…”

Section: Introductionmentioning

confidence: 99%

Continuous culture of Streptococcus cremoris on lactose using various medium conditions

Bibal

Kapp

Goma

et al. 1989

Appl Microbiol Biotechnol

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Growth of a lactic streptococcus was studied in continuous cultures, under various conditions of medium richness, without carbon source limitation, and with a large range of dilution rates. Increasing the concentrations of growth factors and protein nitrogen sources resuited in increased volumetric productivities of biomass and lactic acid with maximum values in the 0.3-0.4 h -1 dilution rate range. Growth was shown to be dependent on both the inhibitory effect of lactic acid and the availability of certain nutrients, as has previously been shown for batch cultures.

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Continuous lactic acid fermentation with concentrated product recovery by ultrafiltration and electrodialysis

Cited by 139 publications

References 5 publications

Effect of some operating variables on citrate recovery from model solutions by electrodialysis

Effect of some operating variables on citrate recovery from model solutions by electrodialysis

Extractive fermentation of lactic acid by immobilizedLactobacillus casei using ion—exchange resin

Continuous culture of Streptococcus cremoris on lactose using various medium conditions

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