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Badino-Jr, A.C.; Facciotti, Maria Cândida Reginato; Schmidell, Willibaldo

doi:10.1023/a:1008994522819

Cited by 5 publications

(1 citation statement)

References 8 publications

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“…No desenvolvimento de processos quando são encontradas condições econômicas adequadas de operação em escala de bancada, as quais com frequência correspondem à obtenção de valores elevados para a produtividade e rendimento do produto de interesse, sob o ponto de vista econômico, há a necessidade de se ampliar a escala de produção até uma escala industrial. A variação de escala, partindo de uma escala de produção menor para uma escala maior é conhecida como aumento de escala ou "scale-up" (BADINO Jr; SCHMIDELL, 2001 Fonte: Próprio autor.…”

Section: Ampliação De Escalaunclassified

Estudo da ampliação de escala do processo de pré-tratamento alcalino do bagaço de cana-de-açúcar para obtenção de etanol de segunda geração

Nakanishi¹

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Section: Ampliação De Escalaunclassified

Estudo da ampliação de escala do processo de pré-tratamento alcalino do bagaço de cana-de-açúcar para obtenção de etanol de segunda geração

Nakanishi¹

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Studies on the rheology and oxygen mass transfer in the clavulanic acid production by Streptomyces clavuligerus

Gouveia

Neto

Hokka

et al. 2000

Braz. J. Chem. Eng.

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In the present work rheological characteristics and volumetric oxygen transfer coefficient (kLa) were investigated during batch cultivations of Streptomyces clavuligerus NRRL 3585 for production of clavulanic acid. The experimental rheological data could be adequately described in terms of the power law model and logistic equation. Significant changes in the rheological parameters consistency index (K) and flow behavior index (n) were observed with the fermentation evolution. Interesting correlations between the consistency index (K)/biomass concentration (C X) and the flow behavior index (n)/biomass concentration were proposed. Volumetric oxygen mass transfer coefficient (kLa) was determined by the gas balance method. Classical correlation relating the volumetric oxygen mass transfer coefficient to the operating conditions, physical and to transport properties, including apparent viscosity (muap), could be applied to the experimental results

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Rheological and morphological characterization of Streptomyces olindensis growing in batch and fed-batch fermentations

Pamboukian

Facciotti

2005

Braz. J. Chem. Eng.

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-Mathematical correlations between rheological properties of the fermentation broth (consistency index, K, and flow behavior index, n), biomass concentration (X) and average clump dimension (D) of Streptomyces olindensis in bioreactor cultivations were obtained, during batch and fed-batch processes. Two types of correlations were compared: the first considered the influence of only biomass concentration (X) on rheological properties (K and n), the second considered the influence of both biomass concentration (X) and morphology (average clump dimension, D) on rheological properties. Clump dimension was assessed by image analysis. Clumps were shown to be the major morphological class during all runs. Incorporation of the morphological parameter in the model improved the capacity to predict the experimental values of the consistency index (K).

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Cited by 5 publications

References 8 publications

Estudo da ampliação de escala do processo de pré-tratamento alcalino do bagaço de cana-de-açúcar para obtenção de etanol de segunda geração

Estudo da ampliação de escala do processo de pré-tratamento alcalino do bagaço de cana-de-açúcar para obtenção de etanol de segunda geração

Studies on the rheology and oxygen mass transfer in the clavulanic acid production by Streptomyces clavuligerus

Rheological and morphological characterization of Streptomyces olindensis growing in batch and fed-batch fermentations

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