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
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[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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