Leiv Eiriksson Nyfotek as

Dtech as

Per Arne Schieflo

Ola Jonassen

Odilio Alves-Filho

Ingvald Strommen

Ingvald Str&oslash;mmen

Method of drying a medium for producing a porous matrix from a solution, a paste, an extract, a granulated material or such, where a liquid inert agent is fed into a vessel ( ) at controlled pressure and amount through a valve ( ), transferring the pressurized liquid inert agent to a mixing vessel ( ), said mixing vessel ( ) also receiving the solution, such as paste, extract or granulated material, through an inlet valve ( ), adjusting the pressure and temperature inside the mixing vessel ( ) to desired levels by a release valve ( ), upon complete mixing of the inert agent with the solution, the mixture is expanded into a porous matrix and injected into a drying circuit through a drying chamber ( ), the matrix thereby being kept suspended in the drying chamber by the flowing drying medium, supplied by the blower ( ), the matrix moisture being removed from the mixture through a heat exchanger coil comprising a first heat exchanger ( ) where the water vapour is condensed and removed from the circuit and finally the drying medium is adjusted to the desired inlet condition in a heat exchanger ( ) before the drying medium flows through the matrix and the process is repeated.

Method and apparatus for drying a porous matrix

Method for formulating particles from solutions, wherein cooling the solution down to the initial freezing point, to mix the solution under pressure with an inert medium, to expand the solution to solid, fluidable frozen particles comprising the insert medium and the solution in a frozen shape.

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Trondheim, Norway

Per Arne Schieflo