Preparation method and application of coupling agent surface modified orange peel derived carbon material

A surface modification, orange peel technology, applied in chemical instruments and methods, catalyst carriers, physical/chemical process catalysts, etc., can solve the problems of limiting the application of orange peel biochar, insufficient adsorption capacity, etc., achieving good reference value and cost. Low, easy-to-use effects

Pending Publication Date: 2022-05-13
HUBEI UNIV OF EDUCATION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The problems and defects of the existing technology are: the existing biochar material made of orange peel has insufficient adsorption capacity, which limits the application of orange peel biochar in the environment

Method used

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  • Preparation method and application of coupling agent surface modified orange peel derived carbon material
  • Preparation method and application of coupling agent surface modified orange peel derived carbon material
  • Preparation method and application of coupling agent surface modified orange peel derived carbon material

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Embodiment 1

[0028] Embodiment 1 of the present invention: a method for preparing a surface-modified orange peel-derived carbon material by a coupling agent, comprising using the collected oranges to prepare an orange peel-derived carbon precursor by a hydrothermal method, adding 50 ml to 5 g of orange peel powder to remove deionized water, put the mixture into a 100 ml polytetrafluoroethylene reaction kettle, react at 180 °C for 12 h, cool, filter with suction, wash repeatedly with deionized water and absolute ethanol, and dry at 80 °C for 12 h to obtain orange peel derivatives. Carbon precursor: Weigh 3 g of orange peel-derived carbon precursor, add 30 ml of concentrated sulfuric acid, sulfonate at 80 °C for 2 h, filter with suction, and wash until there is no SO. 4 2- , dried for later use, to obtain charcoal derived from orange peel. Add 5 ml of aminopropyltriethoxysilane dropwise to 100 ml of absolute ethanol, add glacial acetic acid, and adjust the pH of the solution to 5. In the ab...

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Abstract

The invention discloses a preparation method and application of a coupling agent surface modified orange peel derived carbon material. The preparation method comprises the following steps: S1, cleaning, drying, crushing, grinding and sieving collected orange peel; s2, carrying out hydro-thermal treatment on the orange peel to obtain a precursor, washing and drying; s3, activating the precursor with concentrated sulfuric acid, washing and drying to obtain an orange peel derived carbon material; s4, carrying out surface modification on the orange peel derived carbon by using aminopropyltriethoxysilane, washing the obtained solid product, drying and grinding to obtain an aminopropyltriethoxysilane surface modified orange peel derived carbon material; according to the method, the orange peel derived carbon material can be subjected to surface modification, the surface structure of the orange peel derived carbon material is changed, so that the adsorption capacity of the material is improved, the method is simple, the cost is low, pollution is small, industrialization is easy to achieve, large-scale production is facilitated, and the material prepared through the method has very high value in application in the fields of substance adsorption and catalyst carriers.

Description

technical field [0001] The invention relates to the technical field of new materials, in particular to a preparation method and application of a surface-modified orange peel-derived carbon material by a coupling agent. Background technique [0002] my country's citrus varieties are diverse and the output is quite large, which in turn produces a large amount of orange peel waste, which is generally disposed of by landfill, open burning and composting; however, these disposal methods often lead to greenhouse gases (CO 2 , CH 4 and NO 2 ) and the discharge of various toxic compounds, which pollute the environment. Therefore, studying the utilization and transformation of orange peel can not only solve the problem of environmental pollution by orange peel waste, but also make it a resource and turn waste into treasure. Rich in pectin, cellulose, lignin, etc., after a certain treatment and modification, orange peel forms a carbon material with rich microporous structure, which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J20/20B01J32/00B01J21/18B01J31/02B01J20/30
CPCB01J20/20B01J21/18B01J31/0274
Inventor 张帆潘会陈鹏王能清刘辉圆姚宇杰杨子轩
Owner HUBEI UNIV OF EDUCATION
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