Method and system using melting filter for separating mixture
AssigneeLocal Independent Administrative Agency
InventorsMasahiro Teduka, Takeshi Nishioka, Masaharu Jo
Life of this patent
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Abstract
The present invention provides a method and system using a melting filter medium for separating a mixture (e.g., a mixture of an aqueous solution and either or both of oil and solids immiscible in the aqueous solution) to be separated. The mixture is separated into a liquid passing through the filter layer of the filter medium and a captured material captured in the filter layer. The filter medium and the captured material are separated by melting the filter medium.
Claims12
A method for separating a mixture into a liquid and a material by using a melting filter medium, the method comprising the steps of:
- producing filter crystals by cooling a mother liquid;
- providing the mixture including the liquid to be passed and the material to be captured;
- forming a crystal-filter layer of the filter crystals on a supporting wall having holes which supports the crystal-filter layer;
- supplying the mixture to the crystal-filter layer to allow the liquid to pass through the crystal-filter layer and the holes of the supporting wall, while capturing the material by the crystal-filter layer;
- separating from the supporting wall the crystal-filter layer that has captured the material;
- and
- melting the filter crystals in the crystal-filter layer that has captured the material to allow the filter crystals and the captured material to separate.
A method for separating a mixture into a liquid and a material by using a melting filter medium, the method comprising the steps of:
- producing a crystals by adding a liquid to a substance;
- crushing the crystal to obtain filter crystals;
- providing the mixture including the liquid to be passed and the material to be captured;
- forming a crystal-filter layer of the filter crystals on a supporting wall having holes which supports the crystal-filter layer;
- supplying the mixture to the crystal-filter layer to allow the liquid to pass through the crystal-filter layer and the holes of the supporting wall, while capturing the material by the crystal-filter layer;
- separating from the supporting wall the crystal-filter layer that has captured the material;
- and
- melting the filter crystals in the crystal-filter layer that has captured the material to allow the filter crystals and the captured material to separate.
A system for separating a mixture into a liquid and a material by using a melting filter medium, the system comprising:
- a crystal generator configured to produce filter crystals by cooling a mother liquid;
- a separator which has a crystal-filter layer of the filter crystals and a supporting wall having holes which supports thereon the crystal-filter layer, the separator being configured:
- to receive on the crystal-filter layer the mixture including the liquid to be passed and the material to be captured,
- to allow the liquid to pass through the crystal filter layer and the holes of the supporting wall, while capturing the material by the crystal-filter layer, and
- to separate from the supporting wall the crystal-filter layer that has captured the material;
- a liquid tank which receives the liquid from the separator;
- and
- a melting device which receives from the separator the crystal-filter layer that has captured the material and which is configured to melt the crystal-filter layer to allow the crystal-filter layer and the captured material to separate.
Dependencies are inferred from the claim text.