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	Provedor de dados Electron. J. Biotechnol. (1) Autor Anastassiadis,Savas (1) Rehm,Hans-Jürgen (1) Palavra-chave Biomass immobilization (1) Continuous fermentation (1) Cross over filtration (1) Gluconic acid fermentation (1) Reaction technique (1) Residence time (1) Mais... Tipo do documento Journal article (1) Ano 2006 (1) País Chile (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Continuous gluconic acid production by Aureobasidium pullulans with and without biomass retention Electron. J. Biotechnol. Anastassiadis,Savas; Rehm,Hans-Jürgen. New alternative processes for the continuous production of gluconic acid by Aureobasidium pullulans, using biomass retention by cell immobilization or cross over filtration, are described in the present work. 315 g/l gluconic acid was continuously produced in chemostat cultures at 21 hrs residence time without any biomass retention. 260 g/l gluconic acid was produced in fluidized bed reactor at 21 hrs residence time. The support carrier was overgrown resulting in limitations of oxygen transfer towards the inner layers of immobilized biomass. 375 g/l gluconic acid was produced under continuous cultivation at 22 hrs of residence time with a formation rate for the generic product of 17 g/(l x h) and a specific gluconic acid productivity of only 0.74 g/(g x... Tipo: Journal article Palavras-chave: Biomass immobilization; Continuous fermentation; Cross over filtration; Gluconic acid fermentation; Reaction technique; Residence time. Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582006000500004 Registros recuperados: 1 Primeira ... 1 ... Última

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