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This paper deals with the first unit operation of the downstream process for the production of lactic acid: the clarification of fermentation broths by cross-flow microfiltration. Microfiltration experiments conducted under constant transmembrane pressure and under constant permeate fluxes (higher and lower than the critical flux) were represented by the resistance in series model in which the membrane...
Carrageenans and pectins are widely used for their rheological properties in many foods, as well as industrial applications. In their processing, Degussa Texturant Systems uses ultrafiltration as a concentration step. The aim of this study was to compare organic flat sheet and mineral tubular modules for carrageenan and pectin concentrations. Mineral tubular membranes led to higher flux performances...
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