Process for the maufacture of tensides

Details Process for the maufacture of tensides Process for the maufacture of tensides

C - Chemistry, Metallurgy

12

P

195/67, 195/86

C12P 19/44 (2006.01)

Patent

CA 1223534

A B S T R A C T For the production of rhamnolipids which can be used as surfactants, microorganism of the genus Pseudomonas are cultivated in a aqueous medium suitable for the growth of the microorganisms under growth conditions: in this process the microorqanisms are cultivated in a continuous submerged culture under aerobic conditions, with a continuous supply of fresh culture medium and with continuous removal of a culture solution and microbial cells (biomass); the culture medium has a compositon suitable for limiting growth by means of at least two-fold limitation of essential growth substances; a solution of the rhamnolipids produced as metabolite of the microorqanisms is separated from the culture broth. For this purpose a continuously operated bioreactor is suitable.

460614

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