Separating solutes from solutions
A method of separating a solute from a supercritical fluid which includes reducing the pressure of the supercritical fluid and is characterised in that the supercritical fluid and solute are mixed with another fluid, eg an inorganic or organic solvent under pressure, to cause a partial reduction in...
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| creator | MARK D BURFORD CATHERINE M COWEY KEITH D BARTLE NEIL GRAHAM SMART ANTHONY A CLIFFORD |
| description | A method of separating a solute from a supercritical fluid which includes reducing the pressure of the supercritical fluid and is characterised in that the supercritical fluid and solute are mixed with another fluid, eg an inorganic or organic solvent under pressure, to cause a partial reduction in the pressure of the supercritical fluid followed by reduction of the pressure of the fluid mixture comprising the supercritical fluid and said other fluid. The fluid mixture pressure reduction may occur in the collection device. Such a device may have a collection solvent already present therein. The said other fluid used partially to depressurise the supercritical fluid may act as a collection solvent in a collection device. The collection device may include one or more collection vessels or alternatively a solid phase trap or a packed column for the purpose of trapping and collecting the solute. |
| format | Patent |
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The fluid mixture pressure reduction may occur in the collection device. Such a device may have a collection solvent already present therein. The said other fluid used partially to depressurise the supercritical fluid may act as a collection solvent in a collection device. 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| subjects | PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING |
| title | Separating solutes from solutions |
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