Biological carbon prepared form grapefruit skin, preparation method and application thereof
A technology of pomelo peel and biochar, which is applied in the field of agricultural chemistry, can solve the problems of being thrown away, or being dried, burned, wasting renewable resources, affecting the ecological environment, etc., to achieve large specific surface area, strong adsorption capacity, and reduce Effects of Environmental Pollution
Active Publication Date: 2016-10-12
HUNAN AGRICULTURAL UNIV
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The invention discloses a preparation method of biological carbon by using grapefruit skin. The method is as below: drying and pulverizing grapefruit skin, and mixing the grapefruit skin with an aqueous solution of catalyst, and conducting a hydrothermal carbonization reaction; after the hydrothermal carbonization reaction, washing and drying to obtain the biological carbon. The temperature of the hydrothermal carbonization reaction is 160 DEG to 260 DEG C; the catalyst is at least one selected from phosphoric acid, sulfuric acid, hydrochloric acid, acetic acid, citric acid, acrylic acid, sodium polyacrylate, sodium polystyrene sulfonate, zinc chloride, and stannic chloride. In addition, the invention also comprises the biological carbon which is prepared by the method and the application of the biological carbon in the adsorption of heavy metals. The biological carbon material obtained by the invention has the advantages of microsphere particle shape, uniform particle size and high adsorption capacity, and can be applied to the field of adsorption and remediation of heavy metal pollutants or organic pollutants.
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Property | Measurement | Unit |
Specific surface area | 687.0 | m²/g |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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