10 results about "Membrane complex" patented technology

A separation membrane complex includes a porous support and a separation membrane formed on the support. The separation membrane has a small void. A small void index Ik expressed by (Σ(Sk1.5)) / (Sm1.5) and indicating the abundance ratio of small voids is higher than or equal to 10×10−15, and a large void index Ip expressed by (Σ(Sp2)) / (Sm2) and indicating the abundance ratio of large voids is lower than 200×10−22, where Sm is the surface area of the separation membrane, Sk is the area per small void, and Sp is the area per large void. Accordingly, the separation membrane complex can achieve a high separation ratio.

A porous cylindrical support for use in supporting a zeolite membrane has a generally cylindrical inside surface having a central axis extending in the longitudinal direction and a generally cylindrical outside surface that surrounds the inside surface. A zeolite membrane is formed on the outside surface. A maximum value A and a minimum value B of a support thickness in a circumferential direction satisfy (A−B) / (A+B)≤0.3 in at least part of the support in the longitudinal direction, the support thickness being a radial distance between the inside surface and the outside surface. By reducing a variation in support thickness, it is possible to improve uniformity in the thickness of the zeolite membrane formed on the support.

In the production of an MOF membrane complex, seed crystals of a CAU-10 MOF are deposited on a support, an Al source solution that is an aqueous solution containing an Al ion source is prepared, and a ligand solution is prepared in which an organic ligand used for synthesis of the CAU-10 MOS dissolves in a solvent. Then, a starting material solution is prepared by mixing the Al source solution and the ligand solution at a rate that does not cause the starting material solution to become cloudy. The support is immersed in the starting material solution to form an MOF membrane that is the CAU-10 MOF on the support by Solvothermal synthesis.

The charged particle beam device comprises a charged particle beam source located in a first pressure environment, a sample support unit operating to support a sample located in a second pressure environment, wherein the second pressure environment has a higher pressure than the first pressure environment, and a membrane complex separating the first pressure environment from the second pressure environment. The membrane complex comprises a pressure-sealed membrane substantially permeable to a charged particle beam from the charged particle beam source, a support membrane layer having a circular aperture formed thereon to which the pressure-sealed membrane is joined, and a holding frame having a second aperture larger than and covering the circular aperture. The charged particle beam device may further comprise an electron detection subcomplex. The electron detection subcomplex comprises at least one shaping metal wire for detecting electrons resulting from the interaction between the charged particle beam and the sample.

Crystalline material containing oxygen, aluminum and phosphorus, exhibiting the powder X-ray diffraction peaks shown in the table below. 2 θ (°) d (nm) Relative intensity 8,65±0,2 1,022 1-15 9,99±0,2 0,885 1-15 14,17±0,2 0,625 100 16,52±0,2 0,537 5-80 17,37±0,2 0,511 1-15 21,81±0,2 0,407 10-80 22,44±0,2 0,396 2-15 24,66±0,2 0,361 15-70 26,11±0,2 0,341 10-80 28,56±0,2 0,313 5-40 29,80±0,2 0,300 3-30 33,17±0,3 0,270 1-20 34,93±0,3 0,257 1-15 36,21±0,3 0,248 2-15 39,02±0,3 0,231 1-10 43,44±0,3 0,208 1-10

A separation membrane complex (1) comprises a porous ceramic support (11) and a separation membrane (12) formed on the support (11) and composed of a metal-organic framework. The average thickness of the separation membrane (12) is no greater than 2 µm. The metal-organic framework consists of aluminum ions and ligands coordinated to the aluminum ions. A powder X-ray diffraction pattern of the metal-organic framework exhibits peaks at predetermined diffraction angles 2θ. In the separation membrane complex (1), the SF6 / He permeance ratio is no higher than 0.020. The separation membrane complex (1) enables the achievement of both a high separation factor and a high permeance.

A separation system (1) comprises: a condensable component remover (41) that removes a portion of a condensable component from a mixed gas containing the condensable component and two or more components other than the condensable component, and obtains low-condensable gas in which the concentration of the condensable component has been reduced; a separation membrane complex (21) that has a separation membrane (20) and separates the low-condensable gas into membrane permeate gas that has permeated through the separation membrane (20), and membrane non-permeate gas that does not permeate through the separation membrane (20); and a heat exchanger (31) that cools the mixed gas by exchanging heat between the mixed gas before being introduced into the condensable component remover (41) and the membrane permeate gas or the membrane non-permeate gas. The membrane permeate gas or the membrane non-permeate gas, the temperature of which has been lowered by passing through the separation membrane complex (21), can be used to preliminarily cool the mixed gas before introduction into the condensable component remover (41), thereby reduce the energy consumption in the separation of the mixed gas.

Gas separation process for separating carbon dioxide in a mixed gas, comprising: a) Production of a separation membrane complex (1) in which a separation membrane (12) with pores having a mean pore diameter of less than or equal to 1 nm is formed on a porous support (11); and b) Supplying a mixed gas containing carbon dioxide and another gas from one side of the separation membrane (12) to the separation membrane complex (1) and obtaining a permeated gas by causing the carbon dioxide in the mixed gas to penetrate the separation membrane (12) and the support (11), wherein process b) is carried out in a state in which at least a part of a penetration surface (113) of the support (11) from which the permeated gas is expelled is cooled to have a temperature at least 10 °C lower than a temperature of the mixed gas before it is supplied to the separation membrane complex (1).

Aiming at the problem of unstable film transfer in the prior art, the invention provides the film transfer clamp which has a high-hardness structure and can fix the sponge, the ceramic plate is used for replacing a traditional plastic plate, so that the film transfer clamp has very high rigidity and thermal conductivity, and the whole clamp plate is ensured not to be distorted; due to the design that the sponge is directly adhered to the ceramic plate, the operation is simplified, and more stable pressure is provided for a transfer film compound; the plastic shell enables the ceramic plate to be buffered and protected, and the color of the plastic shell prevents the film transfer clamp from being reversely placed; large holes and small holes are uniformly formed in the ceramic plate at intervals, so that the electric field intensity is more uniform, and the membrane transfer efficiency is higher; the annular magnet design at the top of the plastic shell provides a stable supporting structure for the ceramic plate; meanwhile, the annular magnet serves as a switch for installing and removing the ceramic plate into and out of the plastic shell, and the left end and the right end of the annular magnet are dispersedly designed, so that the film rotating clamp is easy to open and close.

A bipolar membrane composite including a first membrane, a second membrane, an optional additional membrane, a first ion exchange material, a second ion exchange material, and a catalyst. The bipolar membrane composite being configured to create an acidic solution and a basic solution when exposed to a main flow of fluid and an external current supply.