“…several possible alternatives have been proposed: elimination of product inhibition by continuous product removal by either extraction, vacuum or membrane distillation and by pervaporation (Shabtai et al , 1991;Cysewski anti Wilke, 1977;Mori and Inaba, 1990;Udriot et al , 1989;Kang et al , 1990). several possible alternatives have been proposed: elimination of product inhibition by continuous product removal by either extraction, vacuum or membrane distillation and by pervaporation (Shabtai et al , 1991;Cysewski anti Wilke, 1977;Mori and Inaba, 1990;Udriot et al , 1989;Kang et al , 1990).…”