Method of using composite enzyme for degumming jute (2)

Details Method of using composite enzyme for degumming jute (2) Method of using composite enzyme for degumming jute (2)

D - Textiles, Paper

01

C

D01C 1/00 (2006.01) D06M 16/00 (2006.01)

Patent

CA 2700793

A method of degumming jute fibres with complex enzyme, wherein said complex enzyme comprises pectinase and laccase, comprises the steps of: a. Soaking the jute fibres in said complex enzyme water solution, wherein the weight proportion of said complex enzyme water solution and jute fibres ranges from 12:1 to 40:1; b. adjusting the PH value of said complex enzyme water solution to above 4.0, but below 5.0, and adjusting the temperature of said complex enzyme water solution to 35°C -65°C, then keeping said complex enzyme water solution at such temperature for 20-120 minutes; c. adjusting the PH value of said complex enzyme water solution to 7.5-9.5, and adjusting the temperature of said complex enzyme water solution to 40°C- 70°C; then, keeping said complex enzyme water solution with such temperature value for 20-120 minutes; d. conducting enzyme deactivation of the jute fibres processed with said complex enzyme.

L'invention concerne un procédé d'utilisation d'une enzyme composite pour dégommer du jute. Ladite enzyme composite contient de la pectase et de la laccase. Le procédé comprend les étapes suivantes : a. immersion du jute dans une solution aqueuse d'enzyme composite faite de pectase et de laccase et ajustement du rapport en poids de ladite solution aqueuse d'enzyme composite et du jute ; b. ajustement du pH de ladite solution aqueuse d'enzyme composite et maintien de sa température pendant un laps de temps à une certaine température ; c. ajustement ultérieur du pH de la solution et maintien de sa température pendant un autre laps de temps à une certaine température ; d. inactivation de l'enzyme traitant le jute traité par l'enzyme composite.

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