BIO-OIL LIGHT FRACTION-BASED BREAD-SHAPED POROUS ACTIVATED CARBON, METHOD FOR PREPARING THE SAME AND USE THEREOF
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United States of America Patent
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Issued Date -
Aug 18, 2022
app pub date -
May 9, 2022
filing date -
Dec 23, 2020
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Abstract
A bio-oil light fraction-based bread-shaped porous activated carbon, a method for preparing the same and use thereof are provided. A light fraction prepared by fast pyrolysis of a biomass coupled with molecular distillation is selected as a precursor; an activator is directly mixed with the light fraction and stirred to obtain a homogeneous liquid; then, the homogeneous liquid is subjected to one-step carbonization and activation at a two-stage temperature in an inert atmosphere; after the activation, the obtained solid was washed and filtered, the activator reaction products and impurities are removed, and then dried to obtain the activated carbon used as an electrode carbon material of a supercapacitor. The method fully utilizes the rich micromolecule compounds such as water, acids, ketones, aldehydes, monophenols and the like in the obtained light fraction, and the micromolecule compounds and water can interact with the activator.
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