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document
Bisschops, M.A.T. (author), Van der Wielen, L.A. (author), Luyben, K.C.A. (author)
Abstract of WO 9733687 (A1) The invention relates to a method and an apparatus for carrying out a treatment in the presence of centrifugal force. The treatment may be a physical or a chemical treatment. For this purpose the first and the second phase are brought into contact with each other. The second phase comprises a phase soluble in the...
patent 1997
document
Jensen, T.B. (author), Billiet, H.A.H. (author), Van der Wielen, L.A.M. (author)
The present invention relates to a method of separating a first solute A and a second solute B using (simulated) moving bed chromatography. According to the present invention at least one of a) a feedstream; and b) a desorbent stream comprises an organic solvent. The use of different solvent liquids for the feedstream and the desorbent stream...
patent 2000
document
Hofland, G.W. (author), Van der Wielen, L.A. (author), Witkamp, G.J. (author)
The invention relates to a method for the preparation of protein agglomerates, by introducing CO2 in an aqueous protein-containing solution. According to the invention CO2 is gradually and while mixing supplied yielding spherical protein agglomerates, after which the pressure is reduced with a rate such that the spherical nature of the protein...
patent 2001
document
Van Hee, P. (author), Van der Wielen, L.A.M. (author), Van der Lans, R.G.J.M. (author)
The invention relates to a method for the production of a fermentation product from an organism cultured in a culture medium, wherein the organism after the formation of the fermentation product is subjected to a lysis treatment in the presence of a lysis-promoting compound. In accordance with the invention, the lysis-promoting agent is a...
patent 2005
document
Golubovic, M. (author), Ottens, M. (author), Witkamp, G.J. (author), Van der Wielen, L.A. (author)
The invention relates to a method of preparing a protein aggregate, wherein an aqueous protein solution is acidified with a pH that lies above the isoelectric point of the protein. In accordance with the invention, a first protein, which through acidificaiton is able to form a protein aggregate, is acidified in the presence of a second protein...
patent 2005
document
Van der Wielen, L.A.M. (author), Heijnen, J.J. (author)
The present invention is directed to a process for the continuous biological production of lipids, hydrocarbons, hydrocarbon like material or mixtures thereof by conversion of a suitable substrate using micro-organisms, in which process the said substrate is continuously, anaerobically fermented to produce lipids, hydrocarbons, hydrocarbon like...
patent 2010
document
Cuellar Soares, M.C. (author), Van der Wielen, L.A.M. (author), Heeres, A.S. (author)
The invention is directed to a method for recovering a lipid or hydrocarbon from a fermentation mixture, comprising the steps of - providing a fermentation mixture wherein the lipid or hydrocarbon is produced by microbial fermentation in a fermentation vessel, which mixture comprises an aqueous phase and a liquid product phase, wherein the...
patent 2015
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