Porous activated carbon material as well as preparation method and application thereof
A technology for porous activated carbon and raw materials, which is applied in separation methods, chemical instruments and methods, and other chemical processes, etc., can solve the problems of low utilization rate and low utilization rate of agricultural waste recycling, and achieve high utilization rate, low price, and high efficiency. obvious effect
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[0024] In a first aspect, the present invention provides a method for preparing a porous activated carbon material, comprising the following steps:
[0025] The plant-based carbonaceous material is washed and soaked with deionized water to remove solid impurities and soluble impurities, and it is ready for use;
[0026] Evenly spray the mixed solution of urea and glucose on the surface of the cleaned plant-based carbonaceous material;
[0027] The microbial starter obtained by culture is evenly sprayed on the surface of the plant-based carbonaceous raw material, and incomplete fermentation is carried out;
[0028] The fermented plant-based carbonaceous material is carbonized by KOH nitrogen flow calcination and carbonization technology to obtain porous activated carbon material.
[0029] The fermentation technology of plant-based raw materials has been widely used in the food industry, biology, chemical industry and other fields. Under aerobic or anaerobic conditions, cellul...
Embodiment 1
[0061] A kind of porous activated carbon material, its preparation method comprises the following steps:
[0062] Soak 1kg of rice husks in 1.5kg of deionized water, let stand at 20°C for 24 hours, and then spread out in a 10mm thin layer; use deionized water as a solvent to prepare 600ml of a mixed solution of urea and glucose, where the molar concentration of urea is 1mol / L, the molar concentration of glucose is 5mol / L. The above-mentioned mixed solution is evenly sprayed on the surface of rice husks; 600ml of microbial mixed starter is prepared by the method that the weight ratio of actinomycetes, Trichoderma, lactic acid bacteria, yeast and deionized water is 1:1:1:1:100. The nematode concentration was 0.5 mol / L. The microbial mixed starter was placed in a constant temperature environment of 30 °C for 24 hours, and then evenly sprayed on the surface of the rice husks and fully stirred; then the stirred system was placed in a dust-free and aerobic constant temperature fer...
Embodiment 2
[0065] A kind of porous activated carbon material, its preparation method comprises the following steps:
[0066] Soak 1kg of rice husks in 1.5kg of deionized water, let stand at 20°C for 24 hours, and then spread out in a 10mm thin layer; use deionized water as a solvent to prepare 600ml of a mixed solution of urea and glucose, where the molar concentration of urea is 1mol / L, the molar concentration of glucose is 5mol / L. The above mixed solution was evenly sprayed on the surface of the rice husks; 600ml of microbial mixed starter was prepared by using the method that the weight ratio of actinomycetes, Trichoderma and deionized water was 1:1:100, wherein the concentration of actinomycetes was 0.5mol / L. The microbial mixed starter was placed in a constant temperature environment of 30 °C for 24 hours, and then evenly sprayed on the surface of the rice husks and fully stirred; then the stirred system was placed in a dust-free and aerobic constant temperature fermentation box, a...
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Abstract
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