A kind of nanometer zero-valent metal porous functional material prepared based on meteorite, its preparation method and application
A nano-zero-valent, metal porous technology, applied in chemical instruments and methods, biological water/sewage treatment, sustainable biological treatment, etc., can solve the problems of easy clogging, low adsorption capacity, poor removal of pollutants, etc. Strong capacity, low production cost, and the effect of recycling waste
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[0050] During the preparation of the composite porous material, the aluminum powder can produce hydrogen in the alkaline solution, and generate a porous structured material, and the active group provides an alkalinity in the active group, and provides an alkaline environment for the aluminum powder production. On the other hand, its main component calcium oxide and water reactively releases a large amount of heat, so that the temperature of the embryo is increased. In order to prevent heat produced by the calcium oxide and the water reaction to oxidize the nano-zero-priced metal composite material obtained in step S1, in step S3 of the present invention, the composite porous material is cooled, and the surface of the prepared composite porous material is evenly applied. The zero-priced metal composite material is prepared, and the nano-zero-covalent metal porous functional material is obtained. The nano-zero-priced metal composites fall into the open pores in the open pores of the...
Embodiment 1
[0061] The preparation method of the nano-zero-priced metal porous functional material in this embodiment includes the following steps:
[0062] The meteorite was broken to 0.0374 mm or less, and the dried meteorite powder was calcined under a hydrogen atmosphere with alcohol.
[0063] At the same time, according to the mass percentage zeolite: 55-60%, ordinary silicate cement: 25-35%, raw lime: 5-10%, aluminum powder: 1-1.5%, gypsum: 2-4%, mix, cast, hair Bubble, and stirred at a high temperature at 150 ° C for 6 hours to prepare a composite porous material;
[0064] Finally, sprinkle the nano-zero-covalent metal composite material on the surface of the composite porous material, wherein the weight ratio of the nano-zero-coated metal composite and the composite porous material is 2:98, watering for 10 days, and obtains nano-zero-priced metal composite porous. Functional Materials.
[0065] The present embodiment performs performance test of the obtained nano-zero-covalent metal c...
Embodiment 2
[0069] The preparation method of the nano-zero-priced metal porous functional material in this embodiment includes the following steps:
[0070] The meteorite was broken to 0.0374 mm or less. After mixing alcohol was mixed, the dried meteorite powder was calcined under a hydrogen atmosphere, the calcination temperature was 900 ° C, the time was 2 h, and the nano-zero-covalent metal composite material was produced.
[0071] At the same time, according to the quality percentage zeolite: 60-63%, ordinary silicate cement: 30-35%, raw lime: 6-9%, aluminum powder: 1-1.7%, gypsum: 3-4%, mix, cast, hair Bubble, and evaporate 8 hours at high temperature at 180 ° C to prepare a composite porous material;
[0072] Finally, the nano-zero-covalent metal composite material is sprinkled on the surface of the composite porous material, wherein the weight of the nano-zero-covalent metal composite and the composite porous material is 5: 100, watering for 15 days, and obtains nano-zero-priced metal ...
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Abstract
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