C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 11/08 (2006.01) C02F 3/00 (2006.01) C02F 3/10 (2006.01) C12N 11/00 (2006.01) C12N 11/14 (2006.01) C02F 3/34 (2006.01)
Patent
CA 2062843
A PROCESS FOR THE PRODUCTION OF LIVING AGGLOMERATES CON- TAINING BIOLOGICALLY ACTIVE MICROORGANISMS A B S T R A C T To produce living agglomerates containing active, incorporated microorganisms or enzymes, an aqueous suspen- sion of an adapted or selective, cultivated active biomass capable of growth in pure or mixed culture with a biomass dry matter content of 0.1 g/l to 15 g/l is introduced into a stirred bioreactor, 2% by weight to 150% by weight, based on biomass dry matter, of a powdered or fine-particle, solid, adsorbing or ion-exchanging substance of inorganic or organic origin is added with continuous stirring and the resulting suspension is intensively stirred with a quantity - based on its dry matter content - of 0.5% by weight to 30% by weight of a film-forming and/or coagulat- able, nonionic, anionic or cationic polymer dispersion having a solids content of 25% by weight to 50% by weight for 5 to 20 minutes until readily sedimenting, compact agglomerates are formed. Le A 28 257 - Foreign Countries
Goossens John
Pascik Imre
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
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