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Methanol Steam Reforming Catalyst

A catalyst and steam technology, applied in the field of methanol steam reforming catalyst, can solve the problem that the catalyst is not easy to be used in large-scale commercial use

Inactive Publication Date: 2016-08-24
BASF CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Thus, although the prior art describes a variety of catalysts for steam reforming of methanol, each of the many known catalysts has at least one characteristic that makes the catalyst less amenable to large-scale commercial use

Method used

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  • Methanol Steam Reforming Catalyst
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  • Methanol Steam Reforming Catalyst

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Example 1: PtV-Zr / CeO 2

[0052] A first solution containing Pt and V was prepared by dissolving 15.244 g of hexahydroxy(IV) platinum acid (H 2 Pt(OH) 6 ) solution (16.40% by weight Pt), 1.795g NaVO 3 and 1.484g Zr(OH) 4 Add 35g of water and stir.

[0053] By mixing 7.5g urea and 0.461g Na 2 CO 3 A second solution was prepared by adding 30.0 g of water. The second solution was then mixed with 50.0 g of CeO in a ball mill bottle 2 (HSA20 from Rhodia), resulting in the formation of a dense slurry. The first solution is then contacted with a dense slurry. The resulting mixture was ball milled until about 90% of the solid particles were less than about 10 μm in diameter. Subsequently, the slurry was dried at about 120°C for about 2 h and calcined in air at about 550°C for 4 h.

[0054] exist figure 1 As can be seen in , over 95% conversion of methanol was obtained using this catalyst at 300°C with a methanol / water feed rate of 0.25-1.0 mL / min. Increasing the fe...

Embodiment 2

[0055] Example 2: PtTi-Zr / CeO 2

[0056] A first solution containing Pt and Ti was prepared by dissolving 15.244 g of hexahydroxy(IV) platinum acid (H 2 Pt(OH) 6 ) solution (16.40% by weight Pt), 7.611g titanium diisopropoxide bis(acetylacetonate) (C 6 h 28 OeTi, 75% solution in isopropanol) and 1,484 g Zr(OH) 4 Add 35g of water and stir.

[0057] By mixing 7.5g urea and 0.461g Na 2 CO 3 A second solution was prepared by adding 30.0 g of water. The second solution was then mixed with 50.0 g of CeO in a ball mill bottle 2 (HSA20 from Rhodia), resulting in the formation of a dense slurry. The first solution is then contacted with a dense slurry. The resulting mixture was ball milled until about 90% of the solid particles were less than 10 [mu]m in diameter. Subsequently, the slurry was dried at about 120° C. for about 2 h and calcined at about 550° C. in air for about 4 h.

[0058] The performance of the catalyst described above is slightly worse than that of Example...

Embodiment 3

[0059] Embodiment 3: PdGa-ZrY / CeO 2

[0060]A first solution containing Pd and Ga was prepared in the following manner: 11.844 g of Pd(NO 3 ) 2 Solution (20.77 wt% Pd), 27.506 g gallium nitrate hydrate, 1.484 g Zr(OH) 4 and 8.952gY (NO 3 ) 3 ·6H 2 O was added to 42.0 g of water and stirred.

[0061] By mixing 7.5g urea and 0.461g Na 2 CO 3 A second solution was prepared by adding 30.0 g of water. The second solution was then mixed with 50.0 g of CeO in a ball mill bottle 2 (HSA20 from Rhodia), resulting in the formation of a dense slurry. The first solution is then contacted with a dense slurry. The resulting mixture was ball milled until about 90% of the solid particles were less than about 10 μm in diameter. Subsequently, the slurry was dried at about 120° C. for about 2 h and calcined at about 550° C. in air for about 4 h.

[0062] Complete conversion of methanol was observed at about 300°C with the catalyst of this example using a methanol / water feed rate of a...

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Abstract

Novel catalysts, substantially free of Cu and Zn, useful for the reformation of methanol and steam into H2 for use in hydrogen fuel cells and their use are described herein.

Description

Background technique [0001] Methanol is an excellent hydrogen and energy source for fuel cells. Methanol's utility comes from its relative ease of storage and transport and the relative ease with which it can be converted to H using reforming reactors. 2 . In the reforming reactor, hydrogen is produced from methanol using a metal-catalyzed steam reforming process. According to the chemistry of the reaction, under the right conditions, methanol and water react to form hydrogen and carbon dioxide. [0002] CH 3 OH+H 2 O→CO 2 +3H 2 (1) [0003] A disadvantage of the reforming process is the formation of by-product CO through a route other than hydrogen production. This by-product of the reforming process must be obtained from the product H before being introduced into a given fuel cell 2 removal or "wash-off." Typically, this wash-off process is achieved through the water-gas shift reaction. Alternatively, CO can be separated using Pd or Pd alloy membranes. Notwithstan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/648B01J23/63B01J37/08C01B3/40H01M8/0612
CPCB01J23/58B01J23/62B01J23/622B01J23/63B01J23/648B01J23/6482B01J23/894B01J23/8946B01J23/896B01J37/0036B01J37/0236C01B3/326C01B2203/0233C01B2203/066C01B2203/1041C01B2203/1064C01B2203/107C01B2203/1094Y02E60/36Y02P20/52B01J37/08B01J37/04C01B2203/0805C01B2203/1082C01B2203/1223
Inventor Q·张R·J·法劳托C·R·卡斯特拉诺
Owner BASF CORP
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