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Transformation of sunflower whole plant by twin-screw extrusion technology according to an aqueous process: direct applications of the fractions obtained as bases for industrial products

Evon, Philippe and Vandenbossche, Virginie and Pontalier, Pierre-Yves and Rigal, Luc Transformation of sunflower whole plant by twin-screw extrusion technology according to an aqueous process: direct applications of the fractions obtained as bases for industrial products. (2007) In: 15th European Biomass Conference & Exhibition, 07-11 May 2007, Berlin, Germany .

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Abstract

Aqueous extraction of sunflower oil is a reasonable environment-friendly alternative to the solvent extraction. It can even be realized directly from the whole plant using the twin-screw extrusion technology. Co-rotating twin-screw extruder behaves like a chemo-thermo-mechanical reactor. Equipped with a filtration module, it allows to separate extract and raffinate in a continuous mode and in a single step. This only apparatus carries out three essential unit operations: conditioning and grinding of sunflower seeds, liquid/solid extraction and liquid/solid separation. Starting from whole plant is a promising new way of extraction. Thanks to the fibers of the stalk, wringing out the mixing is favoured. The process can also be considered as an original and powerful solution for fractionating and value-adding to sunflower since obtained fractions may have direct applications in industrial products.

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Institut National de la Recherche Agronomique - INRA
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Laboratory name:
Laboratoire de Chimie Agro-Industrielle - LCA (Toulouse, France) - Fractionnement et transformation des agroressources
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Deposited By: Philippe EVON

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