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Preparation method of a two-dimensional layered glycerol oxidation nanocatalyst

A nano-catalyst, oxidation catalyst technology, applied in catalyst activation/preparation, organic compound preparation, physical/chemical process catalyst, etc., can solve problems such as poor catalytic effect, variable and complex reaction process, etc., and achieve good product selectivity , the effect of novel structure

Active Publication Date: 2022-02-18
INNER MONGOLIA UNIVERSITY
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Problems solved by technology

At present, the catalysts for the selective oxidation of glycerol mainly use activated carbon, carbon nanotubes, alumina and some non-metallic mineral materials as the carrier. Due to the changeable and complicated reaction process and the wide variety of reaction products, the overall catalytic effect is ultimately poor.

Method used

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  • Preparation method of a two-dimensional layered glycerol oxidation nanocatalyst
  • Preparation method of a two-dimensional layered glycerol oxidation nanocatalyst
  • Preparation method of a two-dimensional layered glycerol oxidation nanocatalyst

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Embodiment 1

[0014] Embodiment 1 utilizes oxidation method to prepare graphene oxide.

[0015] Combining graphene oxide and mesoporous silicon to construct a two-dimensional layered graphene-mesoporous silicon precursor.

[0016] 0.5 g of cerium nitrate was dissolved in 3 mL of ethanol solution, and then mixed with 0.2 g of graphene-mesoporous silicon composite, and dried and calcined to prepare cerium oxide and graphene-mesoporous silicon composite.

[0017] The prepared cerium oxide, graphene-mesoporous silicon composite material and strong alkali solution are mixed and heated, and after a series of basic treatment processes such as washing, filtering and drying, a graphene-supported two-dimensional ordered layered Ceria support.

[0018] Mix 0.2 g of graphene-supported two-dimensional ordered layered ceria carrier with 1.2 mL of 1 g / 100 mL chloroauric acid and 2.25 mL of 1 g / 100 mL polyvinyl alcohol, and finally add 4.5 mL of 0.38 g / 100 mL sodium borohydride and stirred for 90 minute...

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Abstract

The invention relates to a preparation method of a novel two-dimensional layered glycerol oxidation nano catalyst. Using graphene oxide to prepare two-dimensional ceria, and then loading gold nanoparticles to prepare a two-dimensional layered glycerol oxidation nanocatalyst, the catalyst has high product selectivity and catalytic activity, novel structure, relatively simple preparation process, green It is safe, has broad application prospects and is of great significance for in-depth research.

Description

technical field [0001] The invention relates to a preparation method of a two-dimensional layered glycerol oxidation nano catalyst. Background technique [0002] The contradiction between energy crisis and economic development is becoming more and more prominent. At present, biomass diesel is an ideal substitute for fossil fuels. Biodiesel has a wide range of sources, high combustion calorific value, low environmental pollution and large-scale production, so it has a wide range of applications. Prospects and economic markets. However, in the production process of biodiesel, a large amount of glycerol by-products will inevitably be generated. The accumulation of by-products will not only cause energy waste, but also limit the promotion and use of biodiesel. Glycerol is an important basic raw material in the chemical industry. Products with higher economic benefits can be obtained through a series of different catalytic reactions. Among them, the selective oxidation of glycer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J23/66B01J37/08C07C51/235C07C59/08C07C59/06C07C59/10B82Y30/00B82Y40/00
CPCB01J23/66B01J37/0018B01J37/08C07C51/235B82Y30/00B82Y40/00
Inventor 张军关朝慧刘宝仓荆鹏
Owner INNER MONGOLIA UNIVERSITY
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