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Kroon, M.C. (author), Shariati, A. (author), Florusse, L.J. (author), Peters, C.J. (author), Van Spronsen, J. (author), Witkamp, G.J. (author), Sheldon, R.A. (author), Gutkowski, K.I. (author)The invention is directed to a process for carrying out a chemical reaction in an ionic liquid as solvent and CO2 as cosolvent, in which process reactants are reacted in a homogeneous phase at selected pressure and temperature to generate a reaction product at least containing an end-product of the reaction, and upon completion of the reaction a...patent 2006
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Witkamp, G.J. (author), Van Spronsen, J. (author), Hasselaar, M. (author)The invention is directed to a process for the treatment of an aqueous solution comprising sodium carbonate and/or sodium bicarbonate and sodium molybdate, said process comprising freeze crystallising the solution at the eutectic freezing point thereof and recovering substantially pure ice crystals, substantially pure sodium carbonate and/or...patent 2008
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De Jong, W. (author), Tavares Cardoso, M.A. (author), Van Spronsen, J. (author), Witkamp, G.J. (author)The invention is directed to a process for the treatment of lignocellulosic biomass to recover one or more components or derivatives of components thereof, said process comprising treating said biomass at a temperature of at least 75 DEG C in a mixture of an ionic liquid and an organic acid, thereby producing a treatment mixture containing...patent 2011
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Van Spronsen, J. (author), Witkamp, G.J. (author), Hollman, F. (author), Choi, Y.H. (author), Verpoorte, R. (author)The invention is directed to a process for extracting materials from biological material, which process is characterized in that the naturally occurring biological material is treated with an extractant consisting of a deep eutectic solvent of natural origin or a an ionic liquid of natural origin to produce a biological extract of natural origin...patent 2011
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Witkamp, G.J. (author), Van Spronsen, J. (author), Hasselaar, M. (author)The present invention is in the area of the treatment of a gas flow containing carbon dioxide obtained from burning at least one organic waste or feed stream, on the one hand to produce sodium bicarbonate and optionally remove and/or recover molybdenum compounds and/or other impurities from the said waste streams for further use and on the other...patent 2012
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Van Spronsen, J. (author), Witkamp, G.J. (author)The invention is directed to a process for the recovery or removal of one or more crystallizable compounds from an aqueous solution containing, apart from the said crystallizable compounds, one or more organic or inorganic scale- forming or scale-inducing materials having a lower solubility in water than the said crystallizable compounds, said...patent 2013
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- Van Spronsen, J. (author), Witkamp, G.J. (author) patent 2013
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- Van Spronsen, J. (author), Witkamp, G.J. (author), Evers, J.A. (author), De Graaff, B. (author), Van Kaathoven, H. (author) patent 2014