JP2017035649A5

JP2017035649A5 - Freeze separation device, parts for freeze separation device, and freeze separation method

Info

Publication number: JP2017035649A5
Application number: JP2015156801A
Authority: JP
Filing date: 2015-08-07
Publication date: 2017-03-23
Anticipated expiration: 2035-08-07

Description

上述した課題を解決するために、本発明による凍結分離装置は、溶液中から少なくとも一部の溶媒を凍結させて分離する装置であって、溶液に接する接触部材と、接触部材に振動を与える加振部と、接触部材を冷却することにより、溶媒を部分的に凍結させる冷却部とを備えることを特徴とする。
また、本発明による凍結分離装置用部品は、溶液中から少なくとも一部の溶媒を凍結させて分離する装置に用いられる部品であって、溶液に接し、溶媒を部分的に凍結させるために冷却される接触部材と、接触部材に振動を与える加振部と、を備えることを特徴とする。 In order to solve the above-described problems, a freeze separation apparatus according to the present invention is an apparatus that freezes and separates at least a part of a solvent from a solution, and includes a contact member that contacts the solution, and a vibration member that applies vibration to the contact member. It is characterized by comprising a vibrating part and a cooling part for partially freezing the solvent by cooling the contact member.
The component for a freeze separation apparatus according to the present invention is a component used in an apparatus for freezing and separating at least a part of a solvent from a solution, and is cooled to contact the solution and partially freeze the solvent. A contact member and an excitation unit that applies vibration to the contact member.

上記の凍結分離装置、凍結分離装置用部品および凍結分離方法によれば、接触部材との界面付近に生じる溶液の凍結部分の表面（凍結面）が、振動しながら非凍結部分と接する。これにより、凍結面近傍に存在する非凍結部分中の溶質が、凍結面から離れ易くなる。従って、撹拌や循環のみによる従来の方式と比較して、凍結面における溶質濃度を効果的に低下させながら凍結を進めることができるので、濃縮効率の向上（若しくは分離される溶媒の高純度化）が可能となる。 According to the freeze separation device , the freeze separation device component, and the freeze separation method described above, the surface (frozen surface) of the frozen portion of the solution generated near the interface with the contact member is in contact with the non-freezing portion while vibrating. Thereby, the solute in the non-frozen portion existing in the vicinity of the frozen surface is easily separated from the frozen surface. Therefore, compared to conventional methods using only agitation and circulation, freezing can be carried out while effectively reducing the solute concentration on the freezing surface, thus improving the concentration efficiency (or increasing the purity of the separated solvent). Is possible.

Claims

An apparatus for freezing and separating at least a part of a solvent from a solution,
A contact member in contact with the solution;
An excitation unit for applying vibration to the contact member;
A cooling unit for partially freezing the solvent by cooling the contact member;
A freeze separation apparatus comprising:

The freeze separation apparatus according to claim 1, wherein the contact member is immersed in the solution from a liquid level of the solution.

The freeze separation device according to claim 1 or 2, wherein the contact member has a tubular shape, and the cooling unit sends a cooled liquid or gas into the tube.

The freeze separation apparatus according to claim 1, wherein the contact member constitutes a part of a container for storing the solution.

A component used in an apparatus for freezing and separating at least a part of a solvent from a solution,
A contact member that contacts the solution and is cooled to partially freeze the solvent;
An excitation unit for applying vibration to the contact member;
A component for a freeze separation apparatus, comprising:

A method of freezing and separating at least a part of a solvent from a solution,
A freeze separation method, wherein the solvent is partially frozen by cooling the contact member while applying vibration to the contact member while the contact member is in contact with the solution.

The freeze separation method according to claim 6, wherein the solution is concentrated by separating the at least part of the solvent from the solution.

The freeze separation method according to claim 6, wherein the purity of the solvent is increased by separating the at least part of the solvent from the solution.