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Gold nano flower catalyst taking biomass activated carbon as carrier as well as preparation method and application thereof

A gold nanoflower and catalyst technology, which is applied in the resource utilization of waste products and new energy fields, can solve problems such as energy shortages and formaldehyde pollution, achieve broad market application prospects, and solve the effects of carbon deposition and low precious metal content

Active Publication Date: 2020-05-15
南京环福新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The successful application of the present invention will not only completely solve the problem of disposal of waste pomelo peels, but also greatly solve the problems of formaldehyde pollution and energy shortage as a reforming catalyst for hydrogen production, thereby bringing huge economic, environmental and social benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) Preparation of reducing agent solution

[0026] Weigh 176.1 mg of ascorbic acid and dissolve it in 1 mL of ultrapure water, and oscillate ultrasonically until the solution becomes clear and transparent to obtain a 1M ascorbic acid solution.

[0027] (2) Preparation of active component precursor solution

[0028] Weigh 20.6mg of chloroauric acid and add 1mL of ultrapure water to dissolve and use ultrasonic vibration until the solution is clear and transparent to obtain a chloroauric acid solution with a concentration of 50mM; weigh 17.0mg of silver nitrate and dissolve it in 10mL of ultrapure water. Shake until the solution is clear and transparent to obtain a silver nitrate solution with a concentration of 10 mM.

[0029] (3) Preparation of active ingredient colloidal solution

[0030] Measure 183 μL of chloroauric acid solution and 183 μL of silver nitrate solution and stir and mix for 30 minutes, add 183 μL of ascorbic acid solution and carry out stirring reacti...

Embodiment 2

[0039] (1) Preparation of reducing agent solution

[0040] Weigh 176.1 mg of ascorbic acid and dissolve it in 1 mL of ultrapure water, and oscillate ultrasonically until the solution becomes clear and transparent to obtain a 1M ascorbic acid solution.

[0041] (2) Preparation of active component precursor solution

[0042] Weigh 20.6mg of chloroauric acid and add 1mL of ultrapure water to dissolve and use ultrasonic vibration until the solution is clear and transparent to obtain a chloroauric acid solution with a concentration of 50mM; weigh 17.0mg of silver nitrate and dissolve it in 10mL of ultrapure water. Shake until the solution is clear and transparent to obtain a silver nitrate solution with a concentration of 10 mM.

[0043] (3) Preparation of active ingredient colloidal solution

[0044] Measure 549 μL of chloroauric acid solution and 549 μL of silver nitrate solution and stir and mix for 30 minutes, add 549 μL of ascorbic acid solution and carry out stirring reacti...

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Abstract

The invention discloses a gold nano flower catalyst taking biomass activated carbon as a carrier as well as a preparation method and application thereof. According to the catalyst, waste shaddock peels are made into a porous activated carbon carrier, and gold nano flowers are taken as a catalytic active component. Based on the mass of the carrier, the mass percentage of the active component is 0.1-0.3%. The preparation method comprises the following steps: carrying out drying, pre-oxidation, carbonization, crushing, activation and other processes on waste shaddock peels to prepare a porous activated carbon carrier, reducing an active component precursor solution into a gold nano flower colloidal solution by using ascorbic acid, dipping the porous activated carbon carrier into the active component colloidal solution, and drying to obtain the reforming hydrogen production catalyst. Waste shaddock peels are converted into resources. The reforming hydrogen production catalyst has high H2 selectivity and a low noble metal content, the preparation technology is simple, the problem of carbon deposition of a reforming hydrogen production catalyst is solved, and the market application prospect is wide.

Description

technical field [0001] The invention relates to a catalyst of gold nanoflowers with biomass activated carbon as a carrier, a preparation method and application thereof, and belongs to the technical fields of resource utilization of waste products and new energy. Background technique [0002] As the global energy shortage becomes increasingly severe, the development and utilization of clean energy is imminent. Hydrogen, as a clean, efficient and renewable energy, is attracting extensive attention from researchers around the world. Commercial hydrogen production processes mainly fall into three categories: water electrolysis, coal gasification, and catalytic reforming, among which catalytic reforming is one of the hydrogen production processes with the greatest development potential. At present, the hydrogen sources of the catalytic reforming hydrogen production process are mainly methane, ethanol, methanol, etc. These hydrogen sources themselves have certain energy utilizati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J23/52C01B32/324C01B32/348C01B3/02
CPCB01J23/52C01B32/324C01B32/348C01B3/02
Inventor 沈岳松金奇杰
Owner 南京环福新材料科技有限公司
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