Metal carrier catalyst for producing synthetic gas by methane carbon dioxide reformation and its production

A carbon dioxide and metal carrier technology, applied in the field of catalysis, to achieve good catalytic activity

Inactive Publication Date: 2007-04-04
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, the existing technology is difficult to load the active component Ni on the alloy flake alone to obtain a monolithic catalyst suitable for large space velocity and strong heat transfer reaction.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Preparation of 2.5wt% Ni-SBA-15 / Al 2 o 3 / FeCrAl (wherein 2.5wt% means that the Ni content is 2.5% of the mass of SBA-15, which means the same in the following examples).

[0034] (1) 1.52 g of a commercially available FeCrAl alloy sheet with a thickness of 0.05 mm (the mass percentage of Cr is 20%, the mass percentage of Al is 5%, and the balance is Fe) is ultrasonically cleaned at room temperature with ethanol Finally, take it out, wash it with deionized water, 2M HCl, and 15% NaOH solution, and dry it at room temperature; then put it in a high-temperature furnace, bake it at 850°C for 20 hours, and cool it down naturally, that is, it is pre-oxidized. FeCrAl alloy sheet.

[0035] (2) Commercially available SB powder (Al 2 o 3 ) 7.0g into a three-necked flask, add 53ml of deionized water, under stirring conditions, add 10ml of 1M HNO 3 , kept at 85°C for 4 hours, and then naturally cooled to room temperature under stirring, that is, the prepared Al 2 o 3 colloid...

Embodiment 2

[0040] Preparation of 5wt% Ni-SBA-15 / Al 2 o 3 / FeCrAl.

[0041] (1) 1.65 g of commercially available FeCrAl alloy sheets (same as Example 1) with a thickness of 0.05 mm are ultrasonically cleaned with ethanol at room temperature, taken out, and then cleaned with deionized water, 2M HCl, and 15% NaOH solution , and dry at room temperature; then put it into a high-temperature furnace, bake it at 850°C for 20 hours, and cool it down naturally, that is, a pre-oxidized FeCrAl alloy sheet.

[0042] (2) Commercially available SB powder (Al 2 o 3 ) 7.0g into a three-necked flask, add 53ml of deionized water, under stirring conditions, add 10ml of 1M HNO 3 , kept at 85°C for 4 hours, and then naturally cooled to room temperature under stirring, that is, the prepared Al 2 o 3 colloidal solution. Soak the pre-oxidized FeCrAl alloy sheet in the prepared Al 2 o 3 Colloidal solution for 5 minutes, then pulled out at a constant speed, dried at room temperature, then dried at 150°C f...

Embodiment 3

[0047] Preparation of 7.5wt% Ni-SBA-15 / Al 2 o 3 / FeCrAl.

[0048] (1) 1.55 g of commercially available FeCrAl alloy sheets (same as Example 1) with a thickness of 0.05 mm are ultrasonically cleaned with ethanol at room temperature, taken out, and then cleaned with deionized water, 2M HCl, and 15% NaOH solution , and dry at room temperature; then put it into a high-temperature furnace, bake at 900°C for 18 hours, and cool down naturally, that is, a pre-oxidized FeCrAl alloy sheet.

[0049] (2) Commercially available SB powder (Al 2 o 3 ) 7.0g into a three-necked flask, add 53ml of deionized water, under stirring conditions, add 10ml of 1M HNO 3 , kept at 85°C for 4 hours, and then naturally cooled to room temperature under stirring, that is, the prepared Al 2 o 3 colloidal solution. Soak the pre-oxidized FeCrAl alloy sheet in the prepared Al 2 o 3Colloidal solution for 5 minutes, then pulled out at a constant speed, dried at room temperature, then dried at 130°C for 4 ...

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Abstract

A metal carried catalyst with high high-temp stability for preparing the synthetic gas from methane and CO2 by reforming reaction is prepared through providing Ni as its main active component, assembling the Ni into the pores of meso-porous molecular sieve, and carrying them by FeCrAl alloy sheet.

Description

Technical field: [0001] The invention relates to a metal-carrier catalyst used for methane carbon dioxide reforming to produce synthesis gas and a preparation method thereof. It belongs to the field of catalytic technology. Background technique: [0002] Several methods are commonly used to produce synthesis gas from methane, such as partial oxidation of methane, steam reforming of methane, and carbon dioxide reforming of methane. Among them, partial oxidation of methane is an exothermic process, steam reforming of methane and carbon dioxide reforming of methane are strong endothermic processes, and the reaction formula is as follows: [0003] <chemistry num="001"> <chem file="200510105783_cml001.xml" / > < / chemistry> ΔH°=-35.6kJ / mol (1) [0004] <chemistry num="002"> <chem file="200510105783_cml002.xml" / > < / chemistry> ΔH°=+206.3kJ / mol (2) [0005] <chemistry num="003"> <chem file="200510105783_cml003.xml" / >...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/755B01J29/072B01J32/00B01J37/025C01B3/40
CPCY02P20/52
Inventor 季生福李成岳张美丽刘辉
Owner BEIJING UNIV OF CHEM TECH
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