CN115353105A - Method for preparing activated carbon by using sludge, biomass and petroleum residue and product - Google Patents
Method for preparing activated carbon by using sludge, biomass and petroleum residue and product Download PDFInfo
- Publication number
- CN115353105A CN115353105A CN202211071049.7A CN202211071049A CN115353105A CN 115353105 A CN115353105 A CN 115353105A CN 202211071049 A CN202211071049 A CN 202211071049A CN 115353105 A CN115353105 A CN 115353105A
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- biomass
- sludge
- activated carbon
- petroleum
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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
- C01B32/336—Preparation characterised by gaseous activating agents
-
- 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
-
- 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
- C01B32/33—Preparation characterised by the starting materials from distillation residues of coal or petroleum; from petroleum acid sludge
Abstract
The invention provides a method for preparing activated carbon by using sludge, biomass and petroleum slag and a product, belonging to the technical field of activated carbon preparation, the method for preparing the activated carbon by using the sludge, the biomass and the petroleum slag is a new idea for preparing the activated carbon, the cost of raw materials is lower, the raw materials are fully utilized, the preparation process is simple, the large-scale treatment of the sludge, the biomass and the petroleum slag can be realized, the popularization and the application are easy, the iodine value of the activated carbon prepared by using the sludge, the biomass and the petroleum slag as raw materials can reach 600mg/g, the wear-resisting strength is 97%, and the ash content is 40% and is suitable for being used for treating COD (chemical oxygen demand) in sewage treatment and VOC (volatile organic compounds) in gas phase.
Description
Technical Field
The invention belongs to the technical field of activated carbon preparation, and particularly discloses a method for preparing activated carbon by using sludge, biomass and petroleum slag and a product.
Background
The active carbon is a porous adsorbent and is widely applied to the fields of petroleum, chemical industry, food, medicine, light industry, environmental protection, national defense and the like. The raw materials for manufacturing the activated carbon are various, and commonly used raw materials comprise wood, coal, husks, waste tires and the like.
Because the sludge contains a large amount of organic matters and has higher organic carbon content, the method has some similarities with the traditional method for preparing activated carbon materials, and the method for preparing activated carbon by taking the sludge as the raw material is widely concerned as a novel sludge treatment method. The activated carbon is prepared by the sludge instead of coal, wood and fruit shells, so that the raw material cost is reduced, the sludge utilization rate is improved, the technical problem of quality-based resource utilization of the sludge is solved, and the source of the activated carbon raw material is expanded.
As an agricultural waste, the biomass has the advantages of wide source, high yield, low price, short growth cycle and the like. The traditional biomass disposal method, such as incineration method, is easy to cause resource waste and environmental pollution.
The petroleum residue is the solid impurity remaining after the distillation of crude oil.
CN201710499400.5 discloses a method for preparing multi-level pore activated carbon by compounding oil-containing sludge and biomass, and activated carbon can be prepared by utilizing sludge and biomass, but a method for preparing activated carbon by utilizing sludge, biomass and petroleum residue is not disclosed at present.
Disclosure of Invention
The invention provides a method for preparing activated carbon by using sludge, biomass and petroleum residue and a product, and provides a new idea for preparing the activated carbon.
The invention provides a method for preparing activated carbon by using sludge, biomass and petroleum residue, which comprises the following steps:
s1, performing filter pressing and drying on sludge, wherein the water content is controlled to be below 5%;
s2, crushing and drying the biomass raw material, controlling the moisture to be below 5%, carbonizing the dried biomass raw material in an external heating type carbonization furnace at the temperature of 450 ℃ for 40 minutes to volatilize volatile matters, and sintering the biomass raw material into a carbonized material;
s3, putting 30% of sludge, 30% of biomass carbonized material, 30% of petroleum slag and 10% of binder in a Raymond mill, grinding into 200 meshes, feeding 95% of fine powder into a kneader, adding water, kneading into paste, and feeding into a flat die granulator to form 4m, 6m and 9m columnar particles;
s4, drying the water content of the granulated material to be below 8% by a steam dryer, entering a carbonization furnace, carbonizing at 750 ℃ for 1 hour, entering an activation furnace, activating by water vapor at 860 ℃ for 2 hours, and discharging.
Preferably, the binder comprises starch, cellulose, sodium tripolyphosphate, sodium hexametaphosphate and butanedio lipid, and the mass fraction is 65%, 25%, 4%, 3% and 3%.
Preferably, the biomass raw material is one of vinasse, vinegar residue, traditional Chinese medicine materials, traditional Chinese medicine dregs, building model plates and garden waste.
Preferably, the method also comprises S5, and the activated material is packaged after being cooled and screened.
The invention also provides activated carbon prepared from the sludge, the biomass and the petroleum residue, and the activated carbon is prepared by the method.
The invention has the following beneficial effects:
the invention utilizes the sludge, the biomass and the petroleum slag to prepare the activated carbon, is a new idea for preparing the activated carbon, has lower cost of raw materials, full utilization of the raw materials, simple manufacturing process, can realize the large-scale treatment of the sludge, the biomass and the petroleum slag, is easy to popularize and apply, the iodine value of the activated carbon prepared by utilizing the sludge, the biomass and the petroleum slag as the raw materials can reach 600mg/g, the wear-resisting strength is 97 percent, and the ash content is 40 percent and is suitable for treating COD (chemical oxygen demand) in sewage treatment and VOC in gas phase.
Detailed Description
The technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
The embodiment provides a method for preparing activated carbon by using sludge, biomass and petroleum residues, which comprises the following steps:
s1, carrying out filter pressing and drying on sludge, wherein the water content is controlled to be below 5%;
s2, crushing and drying the biomass raw material, controlling the moisture to be below 5%, carbonizing the dried biomass raw material in an external heating type carbonization furnace at the temperature of 450 ℃ for 40 minutes to volatilize volatile matters, and sintering the biomass raw material into a carbonized material;
s3, weighing 30% of sludge, 30% of biomass carbonized material, 30% of petroleum slag and 10% of binder by a weighing instrument, grinding the materials into 200 meshes by a Raymond mill, feeding 95% of fine powder into a kneader, adding water, kneading into paste, and feeding into a flat-die granulator to form 4m, 6m and 9m columnar particles;
s4, drying the granulated material to the moisture content of below 8% by a steam dryer, entering a carbonization furnace, carbonizing at 750 ℃ for 1 hour, entering an activation furnace, activating by water vapor at 860 ℃ for 2 hours, and discharging;
and S5, cooling and screening the activated material, and then packaging.
Preferably, the binder comprises starch, cellulose, sodium tripolyphosphate, sodium hexametaphosphate and butanedio lipid, and the mass fraction is 65%, 25%, 4%, 3% and 3%.
Preferably, the biomass raw material is one of vinasse, vinegar residue, traditional Chinese medicine materials, traditional Chinese medicine residues, building model plates and garden waste.
Example 2
The embodiment provides activated carbon prepared from sludge, biomass and petroleum slag, and the activated carbon is prepared by the method. The iodine value of the activated carbon can reach 600mg/g, the wear-resisting strength is 97 percent, and the ash content is 40 percent, so that the activated carbon is suitable for treating COD (chemical oxygen demand) in sewage treatment and VOC (volatile organic compounds) in gas phase.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A method for preparing activated carbon by using sludge, biomass and petroleum residue is characterized by comprising the following steps:
s1, carrying out filter pressing and drying on sludge, wherein the water content is controlled to be below 5%;
s2, crushing and drying the biomass raw material, controlling the moisture to be below 5%, carbonizing the dried biomass raw material in an external heating type carbonization furnace at the temperature of 450 ℃ for 40 minutes to volatilize volatile matters, and sintering the biomass raw material into a carbonized material;
s3, putting 30% of sludge, 30% of biomass carbonized material, 30% of petroleum slag and 10% of binder in a Raymond mill, grinding into 200 meshes, feeding 95% of fine powder into a kneader, adding water, kneading into paste, and feeding into a flat die granulator to form 4m, 6m and 9m columnar particles;
s4, drying the granulated material to the moisture content of below 8% by a steam dryer, entering a carbonization furnace, carbonizing at 750 ℃ for 1 hour, entering an activation furnace, activating by water vapor at 860 ℃ for 2 hours, and discharging.
2. The method for preparing activated carbon by using sludge, biomass and petroleum residues as claimed in claim 1, wherein the binder comprises starch, cellulose, sodium tripolyphosphate, sodium hexametaphosphate and butanedio lipid, and the mass fractions are 65%, 25%, 4%, 3% and 3%.
3. The method for preparing activated carbon from sludge, biomass and petroleum residue according to claim 1, wherein the biomass raw material is one of vinasse, vinegar residue, traditional Chinese medicine residue, building model plate and garden waste.
4. The method for preparing activated carbon from sludge, biomass and petroleum residue according to claim 1, wherein the method further comprises S5, and the activated material is packaged after being cooled, screened.
5. An activated carbon prepared from sludge, biomass and petroleum residue, which is prepared by the method of any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211071049.7A CN115353105A (en) | 2022-09-02 | 2022-09-02 | Method for preparing activated carbon by using sludge, biomass and petroleum residue and product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211071049.7A CN115353105A (en) | 2022-09-02 | 2022-09-02 | Method for preparing activated carbon by using sludge, biomass and petroleum residue and product |
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| Publication Number | Publication Date |
|---|---|
| CN115353105A true CN115353105A (en) | 2022-11-18 |
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| CN202211071049.7A Pending CN115353105A (en) | 2022-09-02 | 2022-09-02 | Method for preparing activated carbon by using sludge, biomass and petroleum residue and product |
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Citations (6)
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|---|---|---|---|---|
| CN101195485A (en) * | 2007-12-14 | 2008-06-11 | 宁夏广华活性炭有限公司 | Production method of bamboo absorbent charcoal |
| CN103588202A (en) * | 2013-11-18 | 2014-02-19 | 曹南萍 | Manufacturing method for active carbon/tourmaline composite material and product manufactured according to manufacturing method |
| US20170274351A1 (en) * | 2014-09-16 | 2017-09-28 | Kuraray Co., Ltd. | Process for producing adsorbent including activated carbon |
| CN110078070A (en) * | 2019-04-11 | 2019-08-02 | 西安石油大学 | A kind of preparation method of the oily sludge base absorption carbon material for oily waste water treatment |
| CN111453727A (en) * | 2020-05-26 | 2020-07-28 | 上海化工研究院有限公司 | Preparation method of sludge-straw composite biomass activated carbon |
| CN114797775A (en) * | 2022-04-22 | 2022-07-29 | 山西新华防化装备研究院有限公司 | Process method for preparing gas-phase adsorption material from Chinese patent medicine dregs |
-
2022
- 2022-09-02 CN CN202211071049.7A patent/CN115353105A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101195485A (en) * | 2007-12-14 | 2008-06-11 | 宁夏广华活性炭有限公司 | Production method of bamboo absorbent charcoal |
| CN103588202A (en) * | 2013-11-18 | 2014-02-19 | 曹南萍 | Manufacturing method for active carbon/tourmaline composite material and product manufactured according to manufacturing method |
| US20170274351A1 (en) * | 2014-09-16 | 2017-09-28 | Kuraray Co., Ltd. | Process for producing adsorbent including activated carbon |
| CN110078070A (en) * | 2019-04-11 | 2019-08-02 | 西安石油大学 | A kind of preparation method of the oily sludge base absorption carbon material for oily waste water treatment |
| CN111453727A (en) * | 2020-05-26 | 2020-07-28 | 上海化工研究院有限公司 | Preparation method of sludge-straw composite biomass activated carbon |
| CN114797775A (en) * | 2022-04-22 | 2022-07-29 | 山西新华防化装备研究院有限公司 | Process method for preparing gas-phase adsorption material from Chinese patent medicine dregs |
Non-Patent Citations (1)
| Title |
|---|
| 蒋维钧: "新型传质分离技术", 化学工业出版社, pages: 87 - 88 * |
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