CN116177546A - Preparation method of carbon material with shaddock pulp as raw material - Google Patents
Preparation method of carbon material with shaddock pulp as raw material Download PDFInfo
- Publication number
- CN116177546A CN116177546A CN202310269141.2A CN202310269141A CN116177546A CN 116177546 A CN116177546 A CN 116177546A CN 202310269141 A CN202310269141 A CN 202310269141A CN 116177546 A CN116177546 A CN 116177546A
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- CN
- China
- Prior art keywords
- raw material
- preparation
- pulp
- carbon material
- shaddock
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Classifications
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/342—Preparation characterised by non-gaseous activating agents
- C01B32/348—Metallic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/30—Active carbon
- C01B32/312—Preparation
- C01B32/318—Preparation characterised by the starting materials
- C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
Abstract
The invention discloses a preparation method of a carbon material with shaddock pulp as a raw material, which comprises the following steps: (1) Peeling pericarpium Citri Grandis to obtain its inner pulp as raw material, adding sodium bicarbonate into ethanol, stirring to dissolve, soaking pericarpium Citri Grandis therein, and oven drying; (2) Placing the dried material into a corundum tube, heating by a tube furnace, cooling to room temperature, washing by using solvent ethanol and distilled water, and drying to obtain the product. The preparation method is simple and efficient, the cost of instruments used in the preparation process is low, the preparation engineering is simple, pollution is not easily caused by using chemical reagents, the production cost can be effectively controlled, and the preparation method is more environment-friendly.
Description
Technical Field
The invention relates to a preparation method of a carbon material, in particular to a preparation method of a carbon material taking shaddock pulp as a raw material.
Background
Carbon materials are favored in various fields of application because of their excellent physicochemical properties and the characteristics of both structural and functional materials. The variety of carbon materials is wide, and according to the history of discovery, the materials can be classified into traditional carbon materials (represented by coke, carbon fiber, activated carbon, and graphite) and novel carbon materials (represented by carbon nanotubes, graphene, and graphite alkyne). It is worth mentioning that as a traditional carbon material, activated carbon has been developed for a plurality of new application fields due to its ultra-high specific surface area and rich functional group properties. So far, the application technology of the activated carbon in the fields of industry, food processing, sewage treatment, waste gas treatment, energy storage and the like is mature.
The existing activated carbon preparation and activation methods comprise a physical activation method and a chemical activation method, and the difference is whether chemical reagents are introduced in the preparation process. However, the traditional chemical method for preparing the activated carbon has the defects of high consumption of the activating agent, low recovery rate and environmental hazard caused by the generated waste water and waste gas. Along with the progress of the process technology, the diversity of raw material selection of the biomass activated carbon brings considerable research space for the related technology, and diversified activated carbon preparation can be carried out by selecting different raw materials and corresponding industrial preparation processes, and the related technology needs to be further researched.
Disclosure of Invention
The invention aims to: the invention aims to provide a preparation method of a carbon material taking shaddock pulp as a raw material, which has low cost and simple operation and can realize the recycling of substances.
The technical scheme is as follows: the preparation method of the carbon material with the shaddock pulp as the raw material comprises the following steps:
(1) Peeling pericarpium Citri Grandis to obtain its inner pulp as raw material, adding sodium bicarbonate into ethanol, stirring to dissolve, soaking pericarpium Citri Grandis therein, and oven drying;
(2) Placing the dried material into a corundum tube, heating by a tube furnace, cooling to room temperature, washing by using solvent ethanol and distilled water, and drying to obtain the product.
Further, in the step (1), the mass ratio of the shaddock peel to the sodium bicarbonate is 1:2 to 2.4; the drying temperature is 50-60 ℃ and the drying time is 1-3 h.
Further, the heating rate of the tube furnace in the step (2) is 4-5 ℃ for min -1 The method comprises the steps of carrying out a first treatment on the surface of the The temperature of the tube furnace is raised to 725 ℃ at most; the solvent is ethanol and distilled water; the drying temperature is 50-60 ℃.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages: (1) The preparation method is simple and efficient, the cost of instruments used in the preparation process is low, the preparation engineering is simple, pollution is not easily caused by using chemical reagents, the production cost can be effectively controlled, and the preparation method is more environment-friendly; (2) Biomass waste (shaddock peel inner pulp) in life is effectively utilized as a raw material to prepare biomass activated carbon, so that the recycling of substances is realized; (3) Compared with the traditional preparation method, the method has the advantages that the temperature is raised to 1000-1200 ℃ in the carbonization process, only the temperature is required to be raised to 725 ℃, and the energy is saved.
Detailed Description
The technical scheme of the invention is further described below by referring to examples.
Example 1
Peeling 5g of shaddock peel, taking the inner pulp as a raw material, adding 10g of sodium bicarbonate into 70mL of ethanol, stirring until the solution is dissolved, soaking the shaddock peel in the solution for 2 hours, and drying the solution at 60 ℃. Placing the dried material into a corundum tube, heating to 725 ℃ with a tube furnace at a heating rate of 5 ℃/min, keeping the temperature for 2 hours, cooling to room temperature at the same rate, washing with ethanol and distilled water, and drying at 60 ℃.
Example 2
Peeling 5g of shaddock peel, taking the inner pulp as a raw material, adding 11g of sodium bicarbonate into 70mL of ethanol, stirring until the solution is dissolved, soaking the shaddock peel in the solution for 2 hours, and drying the solution at 60 ℃. Placing the dried material into a corundum tube, heating to 725 ℃ with a tube furnace at a heating rate of 5 ℃/min, keeping the temperature for 2 hours, cooling to room temperature at the same rate, washing with ethanol and distilled water, and drying at 60 ℃.
Example 3
Peeling 5g of shaddock peel, taking the inner pulp as a raw material, adding 12g of sodium bicarbonate into 70mL of ethanol, stirring until the shaddock peel is dissolved, soaking the shaddock peel in the ethanol, and drying the shaddock peel at 60 ℃ after 2 hours. Placing the dried material into a corundum tube, heating to 725 ℃ with a tube furnace at a heating rate of 5 ℃/min, keeping the temperature for 2 hours, cooling to room temperature at the same rate, washing with ethanol and distilled water, and drying at 60 ℃.
The preparation method is simple and efficient, biomass waste shaddock peel pulp in life is effectively utilized as a raw material to prepare the biomass activated carbon, recycling of substances is realized, and compared with the traditional preparation method, the preparation method has the advantages that the temperature is raised to 1000-1200 ℃ in the carbonization process, and the method is more energy-saving only by raising the temperature to 725 ℃ at most.
Claims (7)
1. The preparation method of the carbon material with the shaddock pulp as the raw material is characterized by comprising the following steps:
(1) Peeling pericarpium Citri Grandis to obtain its inner pulp as raw material, adding sodium bicarbonate into ethanol, stirring to dissolve, soaking pericarpium Citri Grandis therein, and oven drying;
(2) Placing the dried material into a corundum tube, heating by a tube furnace, cooling to room temperature, washing by using solvent ethanol and distilled water, and drying to obtain the product.
2. The method for preparing the carbon material with the shaddock pulp as the raw material according to claim 1, wherein the mass ratio of the shaddock peel to the sodium bicarbonate in the step (1) is 1:2 to 2.4.
3. The method for preparing a carbon material using shaddock pulp as a raw material according to claim 1, wherein the drying temperature in the step (1) is 50-60 ℃ and the drying time is 1-3 h.
4. The method for preparing a carbon material using shaddock pulp as raw material according to claim 1, wherein the heating rate of the tube furnace in the step (2) is 4-5 ℃ for min -1 。
5. The method for producing a carbon material using shaddock pulp as a raw material according to claim 1, wherein the tube furnace is heated up to 725 ℃ in step (2).
6. The method for preparing a carbon material using shaddock pulp as a raw material according to claim 1, wherein the solvent in the step (2) is ethanol or distilled water.
7. The method for preparing a carbon material using shaddock pulp as a raw material according to claim 1, wherein the drying temperature in the step (2) is 50-60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310269141.2A CN116177546A (en) | 2023-03-20 | 2023-03-20 | Preparation method of carbon material with shaddock pulp as raw material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310269141.2A CN116177546A (en) | 2023-03-20 | 2023-03-20 | Preparation method of carbon material with shaddock pulp as raw material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116177546A true CN116177546A (en) | 2023-05-30 |
Family
ID=86442481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310269141.2A Pending CN116177546A (en) | 2023-03-20 | 2023-03-20 | Preparation method of carbon material with shaddock pulp as raw material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116177546A (en) |
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2023
- 2023-03-20 CN CN202310269141.2A patent/CN116177546A/en active Pending
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