Biochar-loaded zero-valent iron composite material and preparation method thereof
A composite material and biomass material technology, which is applied in the field of biochar-loaded zero-valent iron composite material and its preparation field, can solve the problems of complicated operation, serious environmental pollution and high price, and achieves simple operation, easy availability of raw materials and low cost of raw materials. Effect
Active Publication Date: 2019-06-28
NANKAI UNIV
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The invention belongs to the technical field of organic matter catalytic degradation materials, and provides a biochar-loaded zero-valent iron composite material and a preparation method thereof. Thepreparation method comprises the following steps that 1, a biomass material is mixed with an aqueous solution of an iron source, and ultrasonic dispersion is carried out to obtain a raw material mixture, wherein the iron source is at least one of iron salt and ferrous salt; 2, a hydrothermal reaction is carried out on the raw material mixture to obtain an iron-carbon precursor; 3, the iron-carbonprecursor is calcined in an inert gas atmosphere to obtain the biochar-loaded zero-valent iron composite material. According to the method, a reducing agent is not needed, the raw materials are cheapand easy to obtain, the amount of generated wastewater is small, the operation is simple, and the method is an environment-friendly process.
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Property | Measurement | Unit |
Particle size | <= 150.0 | µm |
Particle size | 3.0 ~ 10.0 | µm |
Specific surface area | 396.0 | m²/g |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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