Integral catalyst applied to biological oil reforming hydrogen production, preparation and application thereof

A reforming hydrogen production, integrated technology, applied in catalyst activation/preparation, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve the problem that cannot meet the requirements of large-scale production of industrial catalysts , limit industrial application, limited reserves and other problems, to achieve the effect of improving bio-oil conversion rate, strong anti-carbon deposition ability, and low mass transfer resistance

Inactive Publication Date: 2010-06-30
GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This new type of catalytic material used during this process helps create better ways to produce clean energy from biomass without generating harmful gases or polluting substances like nitrogen oxide (NOx). It also increases its effectiveness over existing methods due to increased contact between reactants and active sites within the materials.

Problems solved by technology

Technological Problem addressed in this patented text relates to developing new materials or methods for producing useful chemical products through decomposition of organics into simpler molecules like alcohols while reducing costs associated with fossils. Current techniques involve costly redox steps involving highly specific transition elements, leading to decreased efficiency and increased greenhouse gas emissions. To address this problem, it suggests studying various types of bioremediation systems called microbial Fischer Tropsch reactors (MFT) for converting waste plastic resources into valuable fuels. These MFTs require less expensive platinum than traditional ones because they rely heavily upon cheap raw material sources like lignocelluloses. Additionally, current commercially available catalyst options lack sufficient durability against corrosives commonly observed during long term storage at elevated temperatures.

Method used

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  • Integral catalyst applied to biological oil reforming hydrogen production, preparation and application thereof
  • Integral catalyst applied to biological oil reforming hydrogen production, preparation and application thereof
  • Integral catalyst applied to biological oil reforming hydrogen production, preparation and application thereof

Examples

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preparation example Construction

[0031] Two, the preparation of catalyst:

[0032] 3) The selected alkali metal additives and noble metal additives are formulated into corresponding soluble salt solution C.

[0033] 4) Mix the aqueous solution of the soluble nickel-based salt with C according to the composition ratio of the aforementioned catalyst, and after stirring evenly, immerse the prepared catalyst carrier B in the mixed solution, ultrasonically vibrate, age for 24 hours, and dry at 120°C for 8~ After 12 hours, it is calcined at 500-800°C for 6-10 hours, and then reduced in a hydrogen atmosphere at 400-600°C for 2-4 hours to obtain a monolithic catalyst for hydrogen production by steam reforming of bio-oil.

Embodiment 1

[0034] The preparation of embodiment 1 monolithic Ni catalyst

[0035] The commercially available porous ceramic carrier has a specification of φ15×30mm, a pore density of 300 pores / square inch, and a specific surface area of ​​1.0m 2 / g, in a muffle furnace at 600 ° C for 6 hours and then naturally cooled to room temperature for later use. γ-Al2O3 with an average particle size of 100nm, deionized water and polyethylene glycol were mixed at a solid content of 30%, mixed on a ball mill to prepare a suspension, and ground for 40 hours. Then the prepared porous ceramic support was impregnated several times, so that its surface could be evenly coated with a layer of 5% γ-Al 2 o 3 , and then put it in an oven at 120° C., dry it for 8 hours, and then bake it at 600° C. for 6 hours to prepare a monolithic catalyst carrier for bio-oil reforming hydrogen production. Dissolve nickel nitrate with a nickel content of 20% of the mass of the catalyst in deionized water, impregnate the mon...

Embodiment 2

[0036] Example 2 Preparation of monolithic Ni-Pt catalyst

[0037] The commercially available ceramic foam carrier has a specification of φ15×20mm, a pore density of 350 pores / square inch, and a specific surface area of ​​5.0m 2 / g, in a muffle furnace at 600 ° C for 6 hours and then naturally cooled to room temperature for later use. γ-Al with an average particle size of 600nm 2 o 3 , deionized water and polyethylene glycol were mixed according to a solid content of 15%, mixed on a ball mill to prepare a suspension, and ground for 40 hours. Then the prepared foamed ceramic carrier was impregnated several times, so that its surface could be evenly coated with a layer of 3% γ-Al 2 o 3 , and then put it in an oven at 120° C., dry it for 8 hours, and then bake it at 600° C. for 6 hours to prepare a monolithic catalyst carrier for bio-oil reforming hydrogen production. Dissolving nickel nitrate with a Ni content of 5% of the catalyst mass and platinum nitrate with a Pt conten...

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Abstract

The invention provides an integral catalyst for biological oil steam reforming hydrogen production, which has high reaction activity, strong carbon deposition resistance and good stability, and further provides a preparation method and application thereof. The catalyst consists of a carrier and an active component and comprises the following components by weight percentage: 5-20wt percent of active component nickel oxide, 0-5wt percent of alkali metal auxiliary agent, 0-5wt percent of metal auxiliary agent and the balance of integral ceramic carrier with the surface coated with 1-5 percent of Gamma-Al2O3. The integral catalyst is applied to biological oil reforming hydrogen production and has the characteristics of simple preparation method, easy control of conditions and good catalyst repeatability. Compared with the common granular type catalyst, the integral catalyst has the characteristics of more even heating, less mass transfer resistance, has higher activity to reaction, strong carbon deposition resistance and good stability, and greatly improves the biological oil conversion rate, hydrogen yield and catalyst service life.

Description

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Claims

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Application Information

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Owner GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI
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