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document
Van Spronsen, J. (author), Witkamp, G.J. (author), Evers, J.A. (author), De Graaff, B. (author), Van Kaathoven, H. (author)
patent 2014
document
Van Spronsen, J. (author), Witkamp, G.J. (author)
patent 2013
document
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
document
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
document
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
document
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
document
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
document
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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