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Palladium-copper-aluminum trioxide catalysis separation composite membrane, preparation method and application

An aluminum oxide and composite membrane technology, which is applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as time-consuming and complex process operations, and save time in the preparation process. , The effect of using the equipment is simple and the steps are few

Inactive Publication Date: 2015-06-10
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Two of purpose of the present invention is in order to solve above-mentioned method adopting electroless plating to form palladium alloy film on non-metallic surface, because the process operation of electroless plating method is complicated, and more activation step, sensitization step are arranged, must Before finally carrying out electroless plating, there will be a large amount of pretreatment processes, which will inevitably consume more technical problems such as time and provide a method for preparing the above-mentioned palladium-copper-alumina catalytic separation by electroplating. Preparation method of composite membrane

Method used

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  • Palladium-copper-aluminum trioxide catalysis separation composite membrane, preparation method and application

Examples

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Effect test

Embodiment 1

[0039] A preparation method of a palladium-copper-aluminum oxide catalytic separation composite membrane, specifically comprising the steps of:

[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. The specific method of pasting like figure 1 As shown, that is, firstly, the above-mentioned porous through-hole anodized aluminum film to be plated is placed on one end of a 1...

Embodiment 2

[0052] A preparation method of a palladium-copper-aluminum oxide catalytic separation composite membrane, specifically comprising the steps of:

[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 aluminum oxide film and cool to room temperature;

[0054] (2), the above-mentioned processed porous through-hole anodic aluminum oxide film to be plated is pasted on a steel plate of 150 mm * 60 mm * 2 mm with double-sided adhesive tape, and a scotch tape is pasted on the reverse side of the steel plate, specifically the same as in Example 1;

[0055] (3) Add 10g of palladium acetate, 30g of copper chloride, 20g of copper nitrate, 20g of acetic acid, 30g of potassium chloride into a 2L beaker, and dissolv...

Embodiment 3

[0065] A preparation method of a palladium-copper-aluminum oxide catalytic separation composite membrane, specifically comprising the steps of:

[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 2 g of palladium chloride, 2 g of palladium acetate, 0.8 g of copper nitrate, 5 g of tartaric acid, and 15 g of ammonium chloride into a 2L beaker, an...

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Abstract

The invention discloses a palladium-copper-aluminum trioxide catalysis separation composite membrane, preparation method and application. Namely, a layer of palladium-copper membrane is coated at the surface of porous through-hole anode aluminum oxide membrane, the structure of the palladium-copper membrane coated on an cathode during the preparation process is compact, the thickness ranges from 0.1 mm to 0.5 mum, and at last, the structure of which one surface is provided with multiple nano-pores and the other surface is provided with the palladium-copper-aluminum trioxide catalysis separation composite membrane is formed. The alladium-copper-aluminum trioxide catalysis separation composite membrane is applied to the separation of hydrogen in mixed gas and hydrogen production by catalyzing methane steam to reform, at last, the methane catalysis conversion rate of the palladium-copper-aluminum trioxide catalysis separation composite membrane is 100%, the hydrogen penetration rate is 7.31-7.98*10<-6> mol.m<-2>.s<-1>Pa<-1>, and the separation coefficient (H2 / CH4) of hydrogen generated after the hydrogen production by catalyzing the methane steam to reform is 906-920.

Description

technical field [0001] The invention relates to a palladium alloy film formed on a non-metal surface, in particular to a palladium-copper alloy film formed on the surface of a porous through-hole anodic aluminum oxide film, that is, a palladium-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 use...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D71/02B01D67/00B01D69/12C01B3/56C01B3/38B01D53/22B01J23/89B01J35/10B01J37/02C25D3/56C25D3/58C25D7/00C25D5/02
CPCY02P20/52
Inventor 刘小珍刘兆鑫
Owner SHANGHAI INST OF TECH
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