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Catalyst for hydrogen production from steam reforming of methanol and preparation method thereof

A steam reforming and catalyst technology, which is applied in catalyst activation/preparation, chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, etc., can solve problems such as poor catalytic effect of catalysts and achieve high catalytic performance Activity and stability, increased contact interface, easy industrial scale-up effect

Inactive Publication Date: 2016-05-04
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the above-mentioned technical problems in the prior art, the present invention provides a catalyst for hydrogen production by steam reforming of methanol and a preparation method thereof. The catalyst and its preparation method for hydrogen production by steam reforming of methanol are The preparation method solves the technical problem of the poor catalytic effect of the catalyst used in the steam reforming of methanol to produce hydrogen in the prior art

Method used

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  • Catalyst for hydrogen production from steam reforming of methanol and preparation method thereof
  • Catalyst for hydrogen production from steam reforming of methanol and preparation method thereof
  • Catalyst for hydrogen production from steam reforming of methanol and preparation method thereof

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Embodiment 1

[0022] A catalyst for steam reforming of methanol to produce hydrogen, which is prepared by step-by-step precipitation, that is, the copper component is precipitated in the first step, and the zirconium component is precipitated in the second step. The mole percentage of each metal atom contained in the catalyst is calculated, details as follows:

[0023] Cu88.9%

[0024] Zr11.1%.

[0025] Above-mentioned a kind of preparation method for hydrogen production by steam reforming of methanol specifically comprises the following steps:

[0026] 1) 357mL of 0.7mol / L Cu(NO 3 ) 2 Solution I and 0.4mol / L Na 2 CO 3 Solution II was added dropwise to 50mL of 0.2mol / L Na 2 CO 3 In beaker III of the solution, and control the amount of each drop of co-current to 0.05-0.07ml, by adjusting 0.5mol / L Na 2 CO 3 The dropping rate of solution II uses a pH meter to control the pH value of the suspension within the range of 7.3-7.8. During the dropping process, the stirring speed is controll...

Embodiment 2

[0030] A catalyst for steam reforming of methanol to produce hydrogen, which is prepared by step-by-step precipitation, that is, the copper component is precipitated in the first step, and the zirconium component is precipitated in the second step. The mole percentage of each metal atom contained in the catalyst is calculated, details as follows:

[0031] Cu80%

[0032] Zr20%.

[0033] Above-mentioned a kind of preparation method for hydrogen production by steam reforming of methanol specifically comprises the following steps:

[0034] 1) Add 190mL of 1.3mol / L Cu(NO 3 ) 2 Solution I and 0.6mol / L Na 2 CO 3 Solution II was added dropwise to 50mL of 0.2mol / L Na 2 CO 3 In beaker III of the solution, and control the amount of each drop of co-current to 0.05-0.07ml, by adjusting 0.5mol / L Na 2 CO 3 The drop rate of solution II adopts pH meter to control the pH value of the suspension in the range of 7.3-7.8, and the stirring speed is controlled to be 200-300r / min during the ...

Embodiment 3

[0038] A catalyst for steam reforming of methanol to produce hydrogen, which is prepared by step-by-step precipitation, that is, the copper component is precipitated in the first step, and the zirconium component is precipitated in the second step. The mole percentage of each metal atom contained in the catalyst is calculated, details as follows:

[0039] Cu72.7%

[0040] Zr27.3%.

[0041] Above-mentioned a kind of preparation method for hydrogen production by steam reforming of methanol specifically comprises the following steps:

[0042] 1) 250mL of 1mol / L Cu(NO 3 ) 2 Solution I and 0.5mol / L Na 2 CO 3 Solution II was added dropwise to 50mL of 0.2mol / L Na 2 CO 3 In beaker III of the solution, and control the amount of each drop of co-current to 0.05-0.07ml, by adjusting 0.5mol / L Na 2 CO 3 The drop rate of solution II adopts pH meter to control the pH value of the suspension in the range of 7.3-7.8, and the stirring speed is controlled to be 200-300r / min during the dr...

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Abstract

The invention discloses a catalyst for hydrogen production from steam reforming of methanol. The catalyst is composed of Cu and ZrO2. ZrO2 is enriched on surface of the catalyst and dispersed in a copper component, wherein the mole percentage of Cu is 69.6-88.9%; the mole percentage of ZrO2 is 11.1-30.4%. The invention also provides a preparation method of the catalyst for hydrogen production from steam reforming of methanol. A cupric nitrate solution and a sodium carbonate solution are parallelly and dropwise added for precipitation, a zirconium oxychloride solution and a sodium carbonate solution are parallelly and dropwise added for precipitation, and the catalyst for hydrogen production from steam reforming of methanol is obtained. After the prepared catalyst for hydrogen production from steam reforming of methanol is activated by H2 / He gas, high catalytic activity and stability of the catalyst are shown, and the content of by-product CO is lower than 0.3%.

Description

technical field [0001] The invention belongs to the field of chemical industry and relates to a catalyst, in particular to a catalyst for hydrogen production by steam reforming of methanol and a preparation method thereof. Background technique [0002] As a new energy system, fuel cells are faced with the fundamental problem of reducing manufacturing costs and improving operational reliability and service life. Among them, mobile hydrogen source technology has become one of the bottlenecks for fuel cells to enter the market. The small-scale portable hydrogen production using fossil raw materials such as alcohols and gasoline is a core problem facing the successful application of hydrogen fuel cells. Hydrogen production by steam reforming of methanol is a hydrogen production method that has developed rapidly in recent years. Compared with the traditional electrolysis method and hydrocarbon steam reforming method, this method has the advantages of convenient operation, easy a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/72C01B3/32
CPCB01J23/72B01J37/033C01B3/326C01B2203/1076
Inventor 吴贵升周佳佳毛东森卢冠忠
Owner SHANGHAI INST OF TECH
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