Manganese dioxide modified biochar composite material as well as a preparation method and an application thereof
A technology of manganese dioxide and composite materials, which is applied in the field of materials and the environment, can solve the problems of insufficient utilization of manganese elements, waste of raw materials, and difficulty in controlling the load of manganese oxides, etc., to achieve effective control, obvious adsorption effect, and increased stable effect
Active Publication Date: 2018-05-04
HUNAN UNIV
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The invention discloses a manganese dioxide modified biochar composite material as well as a preparation method and an application thereof. The composite material is prepared from manganese dioxide and biochar by loading generated manganese dioxide on biochar through the neutralization reaction of permanganate and manganese in divalent manganese salt. The manganese dioxide modified composite material has the advantages of high adsorption capacity for heavy metal lead or cadmium, obvious adsorption effect, low preparation cost and the like, and is an ideal heavy metal wastewater adsorbent; thepreparation method of the composite material has the advantages of simple process, cheap raw materials, sufficiently used raw materials, low production cost and the like. The manganese dioxide modified composite material can be used for treating heavy metal wastewater, and has the advantages of high adsorption capacity for heavy metals, high adsorption efficiency, low toxicity to organisms in theenvironment and the like, and can be produced and applied on a large scale.
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Property | Measurement | Unit |
Specific surface area | 5.0831 | m²/g |
Specific surface area | 70.9096 | m²/g |
Adsorption capacity | 55.8 | mg/g |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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