Method for preparing sulfur-doped carbon material from biomass
A biomass, sulfur doping technology, applied in chemical instruments and methods, carbon compounds, inorganic chemistry, etc., can solve the problem of no rapid pyrolysis, and achieve the effect of reducing processing time, wide source, and less time-consuming
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[0056] Example 1
[0057] In this embodiment, four different types of biomass of cellulose, glucose, wood chips, and waste gas paper are selected and crushed, and 5 g of the above biomass particles are respectively weighed for use, and sulfur-doped carbon is prepared according to the following preparation method material;
[0058] A method for preparing sulfur-doped carbon material from biomass includes the following steps:
[0059] Step 1: Crush the biomass into fine particles;
[0060] Step 2: Select 5g of crushed biomass particles and mix with sulfuric acid solution at a ratio of sulfur / carbon mass ratio of 1:1 to form a homogeneous mixture.
[0061] Step 3. Put the mixture into a hydrothermal reaction kettle with a volume of 100ml, seal the reaction kettle and place it in an oven at 200°C for 12h hydrothermal;
[0062] Step 4. Take out the reaction vessel after the hydrothermal reaction, and after the reaction vessel is cooled to room temperature, transfer the hydrothermal product t...
Example Embodiment
[0067] Example 2
[0068] In this example, the effects of different sulfur sources and acid sources on the properties of boron-doped biomass carbon materials were tested, only the types of sulfur sources and acid sources were changed, and the amount of external acid sources was added to control the pH of the solution. <3, and prepare materials according to the following preparation method;
[0069] A method for preparing sulfur-doped carbon material from biomass includes the following steps:
[0070] Step 1: pulverize the wood chip biomass into fine particles;
[0071] Step 2: Select 5g of the pulverized biomass particles and mix them with a sulfuric acid solution at a sulfur / carbon mass ratio of 1:1 to form a homogeneous mixture;
[0072] Step 3. Put the mixture into a hydrothermal reaction kettle with a volume of 100ml, seal the reaction kettle and place it in an oven at 200°C for 12h hydrothermal;
[0073] Step 4. Take out the reaction vessel after the hydrothermal reaction, and after...
Example Embodiment
[0078] Example 3
[0079] In this embodiment, the effect of different sulfur-carbon ratios on the properties of sulfur-doped carbon materials was tested, only the ratio of sulfur-carbon was changed, and the materials were prepared according to the following preparation method;
[0080] A method for preparing sulfur-doped carbon material from biomass includes the following steps:
[0081] Step 1: Crush the wood chips biomass into fine particles;
[0082] Step 2: Select 5g of crushed biomass particles and mix them with sulfuric acid solution in a ratio of 0.05:1, 0.2:1, 1:1, 4:1 in terms of sulfur / carbon mass ratio to form a uniform mixture;
[0083] Step 3. Put the mixture into a hydrothermal reaction kettle with a volume of 100ml, seal the reaction kettle and place it in an oven at 200°C for 12h hydrothermal;
[0084] Step 4. Take out the reaction vessel after the hydrothermal reaction, and after the reaction vessel is cooled to room temperature, transfer the hydrothermal product to a be...
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