Preparation method and application of nickel-copper-aluminum oxide catalysis separation composite membrane

A technology of aluminum oxide and composite membranes, which is applied in the direction of catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve the problems of high price and limited industrial application, and achieve the effect of improving catalytic performance

Inactive Publication Date: 2015-05-20
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] One of the purposes of the present invention is to solve the problem that in the above-mentioned catalysts for catalytic methane steam reforming to produce hydrogen, only palladium and palladium alloys are used to catalyze and separate simultaneously. To provide a nickel-copper-aluminum oxide catalytic separation composite membrane for industrial application problems

Method used

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  • Preparation method and application of nickel-copper-aluminum oxide catalysis separation composite membrane

Examples

Experimental program
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Effect test

Embodiment 1

[0039] A method for preparing a nickel-copper-aluminum oxide catalytic separation composite membrane, specifically comprising the following steps:

[0040] (1) Put the 90mm×60mm×250μm porous through-hole anodized aluminum oxide film into a 500mL beaker, add 420mL of pure water, clean it with ultrasonic waves for 30min, take out the porous through-hole anodized aluminum oxide film, and dry it in an oven at 100°C 0.5h, burn in a high-temperature furnace at 800°C for 5h, take out the porous through-hole anodic aluminum oxide film and cool to room temperature;

[0041](2) Use transparent tape to paste the above-mentioned porous through-hole anodized aluminum film to be plated on the electrolytic nickel plate of 150mm×60mm×2mm, and paste the transparent tape on the reverse side of the electrolytic nickel plate, specifically as follows figure 1 As shown, that is, the porous through-hole anodized aluminum film to be plated is first placed on one end of a 150mm×60mm×2mm electrolytic ...

Embodiment 2

[0052] A method for preparing a nickel-copper-aluminum oxide catalytic separation composite membrane, specifically comprising the following steps:

[0053] (1) Put a 90mm×60mm×250μm porous through-hole anodized aluminum oxide film into a 500mL beaker, add 420mL of pure water, clean it with ultrasonic waves for 5min, take out the porous through-hole anodized aluminum oxide film, and dry it in an oven at 50°C 5h, burn in a high-temperature furnace at 1100°C for 0.5h, take out the porous through-hole anodized aluminum film and cool it to room temperature;

[0054] (2) Paste the above-mentioned treated porous through-hole anodic aluminum oxide film to be plated on an electrolytic copper plate of 150 mm × 60 mm × 2 mm with double-sided adhesive tape, and stick a transparent tape on the reverse side of the electrolytic copper plate, specifically the same as in Example 1 ;

[0055] (3) Add 400g of nickel chloride, 250g of copper chloride, 50g of acetic acid, 50g of citric acid, and ...

Embodiment 3

[0065] A method for preparing a nickel-copper-aluminum oxide catalytic separation composite membrane, specifically comprising the following steps:

[0066] (1) Put a 90mm×60mm×250μm porous through-hole anodized aluminum oxide film into a 500mL beaker, add 420mL of pure water, clean it with ultrasonic waves for 17min, take out the porous through-hole anodized aluminum oxide film, and dry it in an oven at 85°C 2h, burn in a high-temperature furnace at 900°C for 3h, take out the porous through-hole anodized aluminum film and cool it to room temperature;

[0067] (2), the above-mentioned treated porous through-hole anodic aluminum oxide film to be plated is pasted on a steel plate of 150mm * 60mm * 2mm with scotch tape, and the scotch tape is pasted on the back of the steel plate, specifically the same as in Example 1;

[0068] (3) Add 100g of nickel sulfate, 100g of nickel nitrate, 40g of copper sulfate, 25g of oxalic acid, 25g of glycolic acid, 80g of ammonium chloride, 70g of s...

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Abstract

The invention discloses a preparation method and application of a nickel-copper-aluminum oxide catalysis separation composite membrane. A layer of nickel-copper membrane is plated on the surface of a porous through-hole anodic aluminum oxide membrane in an electrochemical plating mode, in the preparation process, the nickel-copper membrane attached to the surface of cathode is compact in structure and is of the thickness of 0.1-0.5 micrometer, and at last the nickel-copper-aluminum oxide catalysis separation composite membrane is formed, wherein one surface is rich in nano-pores, and the other surface is compact. The nickel-copper-aluminum oxide catalysis separation composite membrane is used for catalyzing methane steam to reform hydrogen and separation of hydrogen in mixed gas, the final catalytic conversion rate of methane is 100 %, the hydrogen penetration rate is 5.17-5.98*10-6mol.m-2.s-1Pa-1, the separation coefficient (H2 / CH4) of the hydrogen reformed by means of catalyzing the methane steam is 880-891, and the separation coefficient of the hydrogen in the mixed gas is 886-893.

Description

technical field [0001] The invention relates to a nickel alloy film formed on a non-metal surface, in particular to a nickel-copper alloy film formed on the surface of a porous through-hole anodized aluminum film, that is, a nickel-copper-aluminum oxide catalytic separation composite Membrane and its preparation method and its application in hydrogen production by catalytic methane steam reforming and separation of hydrogen in mixed gas. Background technique [0002] The anodic aluminum oxide membrane has the characteristics of highly ordered pores and large specific surface area, and has broad application prospects in the fields of catalytic materials and separation. Catalytic membranes can be prepared on anodized aluminum membranes by dipping and sol-gel methods. [0003] For example: Ganley JC et al impregnated the porous anodized aluminum membrane in RuCl 3 and Ni(NO 3 ) 2 In the mixed solution, Ru-Ni-Al was prepared 2 o 3 The membrane catalyst was used to catalyze...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D3/56C25D3/02B01D71/02B01J23/755B01J35/10B01J37/02C01B3/38B01D53/22
CPCY02P20/52
Inventor 刘小珍陈捷
Owner SHANGHAI INST OF TECH
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