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Method for producing a membrane and such membrane

A container and electrolyte technology, applied in the field of film production, can solve the problems of sensitivity, expensive materials and impact

Inactive Publication Date: 2012-07-11
METALMEMBRANES COM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These materials are expensive and impact sensitive

Method used

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  • Method for producing a membrane and such membrane
  • Method for producing a membrane and such membrane
  • Method for producing a membrane and such membrane

Examples

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Embodiment Construction

[0040] Film 2 (figure 1 ) includes metal structures 4 . In the embodiment shown, the support layer 4 is provided by titanium. Arranged on the layer or structure 4 is a film layer 6 provided thereon by plasma electrolytic oxidation. Layer 6 includes TiO extended in the process (process) 2 . The titanium structure is in the shape of a plate or a tube. In the illustrated embodiment, the structure of the sintered material is produced by sintering titanium particles in a desired shape. Optionally, the titanium material is very briefly heated or mechanically treated on the outside to form a dense titanium layer on top of the sintered structure, which in a next step is subjected to a plasma electrolytic oxidation process (process).

[0041] In process (process) 8 ( figure 2 ), the container 10 is provided with an electrolyte 12. Product 14 is disposed between first electrode 16 and second electrode 18 in electrolyte 12 . The electrodes 16 , 18 are connected in an electrical c...

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Abstract

The invention relates to a method for producing a membrane and such membrane. The method comprises the steps of: - providing a container with electrolyte; - placing a structure in the container; and - providing at least two electrodes with a potential difference to achieve a plasma electrolytic oxidation on the structure. Preferably, the structure comprises a metallic structure, with the metallic structure chosen from the group of Titanium, Aluminium, Magnesium, Zirconium, Zinc and Niobium, and / or an alloy.

Description

technical field [0001] The invention relates to a method for producing membranes (diaphragms, membranes, membranes). For example, such membranes can be used in electro-membrane processes (electro-membrane, electro-diaphragm). These processes include electrodialysis, reverse electrodialysis, and the like. The membranes can also be used in filtration processes, such as for wine, beer, milk, water or other fluids, and gas separation processes (processes). Background technique [0002] Known methods for producing membranes include sintering operations in which, step by step, parts of the membrane material are integrated into the membrane. This method requires a considerable time period and is relatively expensive. [0003] In an alternative known method for producing membranes, ceramic materials are utilized. These materials are expensive and impact sensitive. Contents of the invention [0004] It is an object of the present invention to provide an improved method for pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D71/02B01D67/00C25D11/02H01M8/22
CPCB01D71/025C25D11/024B01D67/0065Y02E60/50C25D11/026C25D11/02B01D2325/24B01D67/009H01M8/227C25D11/04C25D11/30C25D11/26
Inventor 汉斯·汉德瑞克·沃尔特斯哈姆·范达尔夫森西布兰杜斯·雅各布·梅茨
Owner METALMEMBRANES COM
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