CN106966392A - A kind of method that utilization municipal sludge prepares nitrogen sulphur codope porous carbon material - Google Patents
A kind of method that utilization municipal sludge prepares nitrogen sulphur codope porous carbon material Download PDFInfo
- Publication number
- CN106966392A CN106966392A CN201710184081.9A CN201710184081A CN106966392A CN 106966392 A CN106966392 A CN 106966392A CN 201710184081 A CN201710184081 A CN 201710184081A CN 106966392 A CN106966392 A CN 106966392A
- Authority
- CN
- China
- Prior art keywords
- sludge
- nitrogen
- hydro
- porous carbon
- thermal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/14—Pore volume
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/16—Pore diameter
- C01P2006/17—Pore diameter distribution
Abstract
The present invention for China's municipal sludge amount of storage it is huge, it is seriously polluted the characteristics of establish and a kind of combination chemical activation is carbonized by hydro-thermal by raw material of sludge prepare the novel preparation method of nitrogen, sulphur codope porous carbon material.This method produces sludge as raw material using municipal sewage plant, the dewatering that preconditioning technique improves sludge is carbonized by hydro-thermal, improve and the heteroatomic contents such as carbon content, the content of heavy metal and nitrogen sulphur are fixed in sludge, and combine the synchronous step heat treatment of chemical activation and be prepared for activated carbon with rich mesoporous, nitrogen, the high-graphitized porous carbon material of sulphur codope.The material has abundant pore structure, larger mesopore volume and average pore size, has outstanding removal effect to the larger molecular organicses pollutant in water body.The invention proposes the nitrogen that one simple to operate, energy consumption is low, the preparation method of sulphur auto-dope porous carbon material, and the high-efficiency resource recycling of sludge can be achieved.
Description
Technical field
The present invention relates to a kind of method that nitrogen, sulfur doping porous carbon material are prepared by raw material of municipal sludge, belong to environment
Protection and the solid waste high level recycling new technology in comprehensive utilization of resources field.
Technical background
Porous carbon material acts on conventional sewage handling process because of its adjustable pore structure and the removal good to pollutant
Handle and be widely used as secondary deep afterwards.Porous charcoal can include bamboo, walnut shell, coconut palm with the extensive cheap biomass in source
The activation such as sub- shell, stalk is made.But limited by feedstock property and preparation method, porous charcoal pore structure is single based on micropore, because
This is unfavorable for pollutant diffusion inside, the rate of adsorption slowly, especially limited to macromolecular organic dyestuff removal effect.Hetero atom is mixed
Miscellaneous Carbon Materials are the novel charcoal material that the hetero atoms such as nitrogen, sulphur are embedded in Carbon Materials skeleton, the electric property for having uniqueness because of it and change
Structure is learned, electrode, ultracapacitor etc. are used as extensively.The porous carbon material that nitrogen, sulfur heteroatom adulterate simultaneously is special in water body
The aspect that is chosen to remove for determining pollutant also shows extraordinary application prospect.
Quickly propel with Urbanization Construction, sewage treatment facility constantly improve, the increase of municipal sludge sustained production.Due to
Municipal sludge complicated component, is enriched organic pollutant in sewage, heavy metal, a variety of parasitic ovums, pathogenic microorganism, radiation
Property the difficult degradation such as nucleic poisonous and harmful substance, conventional process mode can not realize quick sludge, safety, harmless processing.According to
This characteristic of content of organic matter height in sludge, is prepared into porous carbon material and for pollutant removal in polluted-water, is
Sludge conventional process mode is to environment-friendly, sustainable utilization model great shift in recent years.But, sludge moisture content is usual
Exist higher than 80% and in stable intracellular water form and be difficult to be removed, therefore, the drying process prepared before sludge Carbon Materials is big
Improve the cost that sludge prepares porous carbon material greatly.In addition, customary preparation methods also exist sludge Carbon Materials pore structure it is single,
The shortcoming undesirable to macromolecular organic pollutant removal effect.
Hydro-thermal charing is a kind of hot chemical treatment side for biomass under the conditions of 150-350 DEG C and self-generated pressure
Method, is especially suitable for the processing of high-moisture biomass.This method has gentle reaction condition, easy operation, low power consumption and other advantages；
Hydro-thermal is carbonized without drying process, meanwhile, efficient hydrolysis can significantly improve the oxygen-containing functional group and mesopore knot of biological surface
Structure.
The present invention proposes by the use of hydro-thermal charring process and is used as the preprocessing means for preparing sludge base Carbon Materials, one side gram
Clothes dehydration is difficult, the shortcoming that cost is high, and improves Sludge Surface oxygen-containing functional group and middle hole number；Secondly improved using the technology
Nitrogen, the removal efficiency of sulfur heteroatom in the stability of nitrogen, sulphur in sludge, reduction activation process；Finally utilize under inertia hot conditions
The catalized conversion agraphitic carbon structure of enriched in metals is graphite-structure in sludge, prepares nitrogen, sulphur using sludge as raw material and mixes
Miscellaneous, high-graphitized porous carbon material.The inventive method efficient energy-saving, not only solves the problem of Treatment of Sludge is difficult, and in fact
Sustainability, the recycling of sludge are showed.
The content of the invention
The purpose of the present invention is that a kind of hydro-thermal charing knot of high energy consumption issues offer during Carbon Materials is prepared for sludge
Close the low preparation method of energy consumption of chemical activation method.Carbon Materials prepared by the inventive method have abundant pore structure, especially in
Hole pore volume is big, average pore size is wide, and with nitrogen, the carbonization structure of sulfur doping, can quickly remove the organic dirt of macromolecular in water body
Contaminate thing.
The purpose of the present invention is achieved through the following technical solutions：
A kind of utilization sludge prepares nitrogen, the method for sulphur auto-dope porous carbon material, comprises the following steps：
(1) dewatered sludge is placed in progress hydro-thermal charing process in hydrothermal reaction kettle；
(2) crushed after the drying sludge after hydro-thermal charing being obtained in step (1)；
(3) particulate matter in step (2) is mixed with activator；
(4) mixture is activated in tubular type retort；
(5) after solid matter is crushed after the activation that will be obtained in step (4) and successively with acid and distillation water washing.
Alternatively, in step (1), sludge hydro-thermal carbonization temperature is preferably in 160-240 DEG C, the preferred 0.5- of carbonization time
3h.Low carbonization temperature and short carbonization time cause sludge carbonization insufficient, and too high carbonization temperature and long charing
Time can increase the energy consumption of processing, increase cost.
Alternatively, in step (2), hydro-thermal charing drying sludge preferred range is 60-120 DEG C, and particle is crushed to
70-120 mesh.
Alternatively, in step (3), activator is zinc chloride or potassium hydroxide：When selecting zinc chloride for activator, use
Wet-mixing, i.e. configuration concentration are 0.5-2mol/L liquor zinci chloridis, and solid-to-liquid ratio (m/v) 1 is pressed with sludge after hydro-thermal:(2-5) is mixed
Dries pulverizing after conjunction；When using potassium hydroxide for activator, using dry mixed, hydro-thermal sludge presses quality with potassium hydroxide powder
Than 1:(0.5-2) is uniformly mixed.
Alternatively, in step (4), pyrolysis activation condition is under nitrogen protection, to be heated up from room temperature with 5-15 DEG C/min
Speed is warming up to preferential 500-800 DEG C of temperature, the preferred 1-3h of soak time.Low activation temperature and short soak time are because of activation
Insufficient and make Carbon Materials pore structure undeveloped, the catalytic action of heavy metal is not obvious under low temperature in addition；And long activation temperature
Degree and long soak time not only result in the removing caved in and can cause nitrogen, sulphur atom of pore structure.
Alternatively, in step (5), acid used is 1mol/L hydrochloric acid and 20% hydrofluoric acid.
The invention provides a kind of nitrogen obtained by the above method, sulphur codope, activated carbon with rich mesoporous, high-graphitized porous
Carbon Materials.
The present invention principle be：
In the present invention, hydro-thermal charing process enhances hydrolyzing, realizing lysis broken wall rapidly for cell wall structure in sludge, leads
Cause intracellular water in sludge to be converted to Free water, improve dewatering performance of sludge.On the other hand, hydro-thermal process is improved in sludge and had
Machine matter on its surface largely introduces oxygen-containing functional group and central hole structure there is provided outstanding Carbon Materials to fixed carbon conversion
Presoma.In addition, in hydro-thermal carbonization process, most protein, which is able to retain, provides abundant nitrogen source and sulphur source；Simultaneously
The metallic elements such as the iron, the nickel that are enriched with water-heat process sludge can be catalyzed agraphitic carbon and be converted to graphite-structure at high temperature.Therefore,
Stable carbon source, nitrogen source and sulphur source, the catalytic action of the metallic element such as Yi Jitie, nickel, prepares the nitrogen with graphite-structure, sulphur
Codope porous carbon material.
Compared with prior art, the present invention has advantages below and beneficial effect：
(1) technical measure is simple and easy to apply, and referring to general municipal sewage plant using dewatered sludge produces sludge, no
It is limited to sewage treatmentmethod, with extensive generalization；
(2) present invention is ground-breaking make use of hydro-thermal charing process.On the one hand the dewatering of sludge is improved, is solved
The difficult, defect of high energy consumption is dehydrated when preparing Carbon Materials as raw material using sludge；It is further activation in another aspect processing procedure
Carbon source there is provided high-quality, stable nitrogen source and sulphur source and natural metallic catalyst；
(3) nitrogen, the porous carbon material of sulfur doping that prepare of the present invention, with porous, similar graphene-structured, and with compared with
High specific surface area and larger average pore size and abundant acidity and basic functionality.
(4) nitrogen, the porous carbon material of sulphur codope prepared by the present invention has to the especially macromolecular of the pollutant in water body
Organic pollutants have fast and efficiently removal effect.
Brief description of the drawings
Fig. 1 is nitrogen, the SEM image of the porous carbon material of sulphur codope that method of the invention is obtained.
Fig. 2 is nitrogen, the nitrogen adsorption desorption curve figure of the porous carbon material of sulphur codope that method of the invention is obtained.
Fig. 3 be the present invention method obtain nitrogen, the graph of pore diameter distribution of the porous carbon material of sulphur codope.
Fig. 4 is nitrogen, the adsorption effect comparison diagram of the porous carbon material of sulphur codope that method of the invention is obtained.
Fig. 5 is the technological process that the present invention prepares nitrogen sulphur codope porous carbon material.
Embodiment
The present invention produces dewatered sludge for raw material using municipal sewage plant, is carbonized by hydro-thermal, prepared by chemical activation
Nitrogen, the porous carbon material of sulphur codope.With reference to specific preparation process, the present invention is described in further details, but this hair
Bright embodiment not limited to this.The alternative solution that the mode of equivalent exchange is obtained after all use equivalent substitution modes, locates
Within protection scope of the present invention.
Embodiment 1：
The utilization hydro-thermal charing sludge of the present invention prepares nitrogen, the method for sulphur codope porous carbon material, comprises the following steps：
(1) using Beijing Qinghe sewage treatment plant water content be 82% dewatered sludge as raw material, 1000g sludge is placed in
In hydrothermal reaction kettle, and nitrogen preparation oxygen-free environment is passed through in advance before hydro-thermal charing.Hydro-thermal carbonization condition is 200 DEG C, charing
30min；
(2) by the product after hydro-thermal charing in step (1), 30min is centrifuged under the conditions of 5000rpm and isolates solid production
Thing, 105 DEG C of drying in oven 24h are placed in by solid product.Dried solid sample crosses standby after 100 mesh sieves after crushing；
(3) by particulate samples in step (2) and 3mol/L zinc chloride according to solid-to-liquid ratio (m/v) 1:Surpass after 2.5 uniform mixing
Sonication 60min, it is ensured that be sufficiently mixed, is completely dried under the conditions of being subsequently placed in 80 DEG C, by dried object sample wheat-middlings again
It is broken；
(4) particulate matter that crushing is obtained in step (3) is placed in retort and carries out high-temperature activation under nitrogen protection, it is living
Change condition is：Nitrogen flow is 500mL/min, and heating rate is 10 DEG C/min, and target temperature is 650 DEG C, activates 1.5h；
(5) sample after step (4) is activated, is crushed to 100 mesh again, and solid-to-liquid ratio (m/ is pressed with 1mol/L hydrochloric acid
v)1:Sample 12h obtained by 10 immersions, is stirred once in a while.Solid product is separated using vacuum filtration, acid cycle is collected and uses, make
Sample is rinsed repeatedly with distilled water, until sample pH value weakly acidic pH.
Embodiment 2：
(1) using Beijing Qinghe sewage treatment plant water content be 82% dewatered sludge as raw material, by 1000 grams of sludge
It is placed in hydrothermal reaction kettle.Nitrogen preparation oxygen-free environment is passed through in advance before hydro-thermal charing.Hydro-thermal carbonization condition is 200 DEG C, charcoal
Change 30min；
(2) by the product after hydro-thermal charing in step (1), 30min is centrifuged under the conditions of 5000rpm and isolates solid production
Thing, is placed in 105 DEG C of drying in oven 24h, and will cross 100 mesh sieve standby after the solid sample crushing after drying by solid product
With；
(3) by particulate samples in step (2) and powdered potassium hydroxide according to mass ratio (m/m) 1:1 uniform mixing；
(4) mixture will be obtained in step (3) and is placed in retort to carry out high-temperature activation, activation condition under nitrogen protection
For：Nitrogen flow is 500mL/min, and heating rate is 10 DEG C/min, and target temperature is 600 DEG C, soak time 1.5h；
(5) sample after step (4) is activated, crushes and crosses 100 mesh sieves, solid-to-liquid ratio is pressed with 1mol/L hydrochloric acid again
(m/v)1:Sample 12h obtained by 10 immersions, is stirred once in a while during immersion.Solid product is separated using vacuum filtration, is reused
20% hydrofluoric acid soaks solid sample 12h by same ratio, collects acid cycle and uses, and uses distilled water lavage specimens repeatedly
Product, until sample pH value weakly acidic pH.
Embodiment 3：
(1) using sewage treatment plant of Shandong Province water content be 81% dewatered sludge as raw material, by 1000 grams, the sludge is put
In in hydrothermal reaction kettle.Nitrogen preparation oxygen-free environment is passed through in advance before hydro-thermal charing.Hydro-thermal carbonization condition is 220 DEG C, charing
30min；
(2) by the product after hydro-thermal charing in step (1), 30min is centrifuged under the conditions of 5000rpm and isolates solid production
Thing, is placed in 105 DEG C of drying in oven 24h, and will cross 100 mesh sieve standby after the solid sample crushing after drying by solid product
With；
(3) by particulate samples in step (2) and powdered potassium hydroxide according to mass ratio (m/m) 1:0.5 uniform mixing, so
After be placed in 80 DEG C under the conditions of be completely dried, dried solid sample is crushed again；
(4) particulate matter that crushing is obtained in step (3) is placed in retort and carries out high-temperature activation under nitrogen protection, it is living
Change condition is：Nitrogen flow is 500mL/min, and heating rate is 10 DEG C/min, and target temperature is 650 DEG C, carbonizes 1.5h；
(5) sample after step (4) is activated, crushes and crosses 100 mesh sieves, solid-to-liquid ratio is pressed with 1mol/L hydrochloric acid again
(m/v)1：Sample 12h obtained by 10 immersions, is stirred once in a while during immersion.Solid product is separated using vacuum filtration, is reused
20% hydrofluoric acid soaks solid sample 12h by same ratio, collects acid cycle and uses, and uses distilled water lavage specimens repeatedly
Product, to sample pH value weakly acidic pH.
Table 1 lists nitrogen, the structured data of the porous carbon material of sulphur codope prepared by the present invention, and table 2 compared for this hair
Nitrogen, the porous carbon material of sulphur codope and other sludge of bright preparation prepare the property of Carbon Materials.As can be seen that prepared by the present invention
Nitrogen, the porous carbon material of sulphur codope there is more rich central hole structure and larger average pore size, while surface is contained
Abundant acidic functionality and basic functionality, has extraordinary removal effect to acid, alkaline macromolecular organic dyestuff.
Nitrogen prepared by the present invention of table 1, the structured data of the porous carbon material of sulphur codope
Table 2 distributes bright and traditional residual sludge adsorbing material difference
The effect of nitrogen, sulphur auto-dope porous carbon material is prepared for the checking present invention, embodiment 2 preferable to implementation result is made
Standby nitrogen, sulphur auto-dope porous carbon material have done following property representation：
Fig. 1 is nitrogen, the SEM image of sulphur auto-dope porous carbon material prepared by the present embodiment 2, it can be seen that the sludge raw material of wood-charcoal
Material is with abundant pore structure.
Fig. 2 is nitrogen, the carbon of sulphur auto-dope porous carbon material, nitrogen, oxygen, the mapping figure of element sulphur prepared by the present embodiment 2
Picture, it can be seen that on the porous carbon material surface, in addition to carbon, also containing hetero atoms such as abundant nitrogen, sulphur, oxygen, and point
Cloth is uniform, and elementary analysis shows nitrogen, the content of element sulphur is respectively 3.2% and 1.09%.
Fig. 3 is nitrogen, the nitrogen adsorption desorption curve figure of sulphur auto-dope porous carbon material prepared by the present embodiment 2, after measured,
The specific surface area of the Carbon Materials is up to 519m2/g。
Fig. 4 is the nitrogen of the preparation of the present embodiment 2, the graph of pore diameter distribution of sulphur auto-dope porous carbon material, after measured, the sludge carbon
The average pore size of material is in 4.8nm.
In order to continue the implementation result of the checking present invention, by the nitrogen prepared in embodiment 2, sulphur codope porous carbon
Material is contrasted with commercially available activated carbon to the adsorption effect of acid azo-colour-acid orange 7 (Acid Orange 7, AO7), is had
The operation of body adsorption experiment is as follows：
The AO7 solution of 20mL various concentrations is added in 50mL conical flask with cover, is separately added into prepared by the 0.01g present invention
Nitrogen, the porous carbon material of sulfur doping and commercially available activated carbon, at ambient temperature 160rmp concussions, determine residue AO7 in solution
Concentration, calculate its adsorbance, adsorption effect is contrasted referring to Fig. 5.It can be seen that the nitrogen of this method preparation, sulphur auto-dope porous charcoal
Material becomes apparent to AO7 removal effect, and adsorbance is apparently higher than merchandise active carbon.
Claims (7)
1. a kind of utilization municipal sludge prepares nitrogen, the method for sulphur auto-dope porous carbon material, it is characterised in that comprise the following steps：
(1) dewatered sludge is placed in hydrothermal reaction kettle and carries out hydro-thermal charing pretreatment；
(2) crushed after the sludge dewatering drying after hydro-thermal charing is obtained in step (1)；
(3) particulate matter in step (2) is mixed with activator；
(4) mixture is placed in retort, activated under the conditions of protective atmosphere；
(5) acid and distillation water washing are utilized after product is crushed after the activation that will be obtained in step (4) successively.
2. the method according to claim 1, it is characterised in that in step (1), sludge hydro-thermal carbonization temperature is in 160-
240 DEG C, carbonization time 0.5-3h.
3. the method according to claim 1, it is characterised in that in step (2), hydro-thermal charing drying sludge temperature range
For 60-120 DEG C, 70-120 mesh is crushed to.
4. the method according to claim 1, it is characterised in that in step (3), activator is zinc chloride or hydroxide
Potassium：It is 0.5-2mol/L liquor zinci chloridis using wet-mixing, i.e. configuration concentration when selecting zinc chloride for activator, it is dirty with hydro-thermal
Mud presses solid-to-liquid ratio (m/v) 1:(2-5) is mixed；When using potassium hydroxide for activator, using dry mixed, solid potassium hydroxide mill
Into powder, hydro-thermal sludge and potassium hydroxide in mass ratio 1:(0.5-2) is uniformly mixed.
5. the method according to claim 1, it is characterised in that in step (4), activation condition is：Under nitrogen protection
500-800 DEG C is warming up to from room temperature with 5-15 DEG C/min heating rates, 1-3h is activated.
6. the method according to claim 1, it is characterised in that in step (5), acid used is 1mol/L hydrochloric acid and 20%
Hydrofluoric acid.
7. a kind of sludge base nitrogen, sulphur auto-dope porous carbon material, are made according to claims 1-6 methods：The Heteroatom doping
Carbon Materials there is abundant central hole structure, big average pore size, surface is rich in acidic functionality and basic functionality, in water body
Acidity and alkaline organic dyestuff removal effect protrude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184081.9A CN106966392A (en) | 2017-03-24 | 2017-03-24 | A kind of method that utilization municipal sludge prepares nitrogen sulphur codope porous carbon material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710184081.9A CN106966392A (en) | 2017-03-24 | 2017-03-24 | A kind of method that utilization municipal sludge prepares nitrogen sulphur codope porous carbon material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106966392A true CN106966392A (en) | 2017-07-21 |
Family
ID=59328925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710184081.9A Pending CN106966392A (en) | 2017-03-24 | 2017-03-24 | A kind of method that utilization municipal sludge prepares nitrogen sulphur codope porous carbon material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106966392A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423678A (en) * | 2018-04-17 | 2018-08-21 | 华南农业大学 | A kind of multistage porous carbon materials of superhigh specific surface area and the preparation method and application thereof |
| CN108559454A (en) * | 2018-05-14 | 2018-09-21 | 长沙理工大学 | It is a kind of using agaric charcoal as the composite phase-change heat-storage material of amorphous matrix and preparation method |
| CN109019598A (en) * | 2018-07-18 | 2018-12-18 | 华南农业大学 | A kind of mixing biomass prepares the method and manufactured three-dimensional porous carbon material and its application of the three-dimensional porous carbon material of high specific capacitance |
| CN110065942A (en) * | 2019-04-12 | 2019-07-30 | 华南理工大学 | A kind of rice base graininess micropore/ultramicropore carbon material and preparation method thereof |
| CN110449122A (en) * | 2019-07-11 | 2019-11-15 | 中国石油大学(华东) | Load the sludge-based activated carbon and its preparation method and application of national standard method |
| CN111085230A (en) * | 2019-12-03 | 2020-05-01 | 郑州轻工业大学 | Preparation method and application of nitrogen-doped sludge compost visible light photocatalytic material |
| CN111333069A (en) * | 2020-03-14 | 2020-06-26 | 北京神舟茂华环保科技有限公司 | Method for preparing supercapacitor electrode material by using protein in sludge |
| CN112479204A (en) * | 2020-12-09 | 2021-03-12 | 青岛理工大学 | Process and method for preparing active carbon by hydrothermal co-carbonization of enteromorpha and municipal sludge |
| CN113998756A (en) * | 2021-08-31 | 2022-02-01 | 武汉工商学院 | Method for evaluating and selecting performance of powdery activated carbon for adsorbing azo dyes by using contents of calcium element and sulfur element |
| CN115321536A (en) * | 2022-04-14 | 2022-11-11 | 中晶城康资源再生利用技术有限公司 | Treatment process and treatment system for preparing formed activated carbon from high-water-content organic waste through hydrothermal carbonization |
| CN115520864A (en) * | 2022-09-28 | 2022-12-27 | 山西大学 | Preparation method of sulfur-nitrogen in-situ doped porous carbon material |
| CN115779864A (en) * | 2022-12-15 | 2023-03-14 | 内蒙古大学 | Preparation method and application of reusable sludge-peanut shell activated carbon material |
| CN116371438A (en) * | 2022-12-23 | 2023-07-04 | 中国科学技术大学 | Fenton-assisting sludge monoatomic cocatalyst and preparation method thereof, and method for treating wastewater by Fenton |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644495A (en) * | 2004-12-14 | 2005-07-27 | 南开大学 | Method for preparing active carbon from urban sewage treatment plant mud |
| CN101445234A (en) * | 2009-01-06 | 2009-06-03 | 黑龙江大学 | A preparation method of graphitized carbon nano material |
| CN102745687A (en) * | 2012-06-04 | 2012-10-24 | 成都信息工程学院 | Novel method for improving city sludge active carbon performance |
| CN103011129A (en) * | 2012-12-13 | 2013-04-03 | 黑龙江大学 | Method for preparing high-specific-surface-area porous graphitic nanocarbon plate with coconut shells serving as raw materials |
| CN103183341A (en) * | 2013-04-02 | 2013-07-03 | 中国矿业大学 | Controllable synthesis method of N-doped graphitized carbon ball with hollow structures |
| CN103396815A (en) * | 2013-08-05 | 2013-11-20 | 中国科学院城市环境研究所 | Method for preparing carbon materials by use of sludge |
| DE102013217418A1 (en) * | 2013-05-08 | 2014-11-13 | Siemens Aktiengesellschaft | Hydrothermal treatment of sewage sludge and black liquor |
| CN105170131A (en) * | 2015-09-10 | 2015-12-23 | 广州中国科学院先进技术研究所 | Preparation method of novel sludge carbon-based desulfurization and denitrification catalyst |
| EP2982649A1 (en) * | 2014-08-08 | 2016-02-10 | AVA-Co2 Schweiz AG | Method for the production of high quality activated carbons and activated carbons produced using the method |
-
2017
- 2017-03-24 CN CN201710184081.9A patent/CN106966392A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644495A (en) * | 2004-12-14 | 2005-07-27 | 南开大学 | Method for preparing active carbon from urban sewage treatment plant mud |
| CN101445234A (en) * | 2009-01-06 | 2009-06-03 | 黑龙江大学 | A preparation method of graphitized carbon nano material |
| CN102745687A (en) * | 2012-06-04 | 2012-10-24 | 成都信息工程学院 | Novel method for improving city sludge active carbon performance |
| CN103011129A (en) * | 2012-12-13 | 2013-04-03 | 黑龙江大学 | Method for preparing high-specific-surface-area porous graphitic nanocarbon plate with coconut shells serving as raw materials |
| CN103183341A (en) * | 2013-04-02 | 2013-07-03 | 中国矿业大学 | Controllable synthesis method of N-doped graphitized carbon ball with hollow structures |
| DE102013217418A1 (en) * | 2013-05-08 | 2014-11-13 | Siemens Aktiengesellschaft | Hydrothermal treatment of sewage sludge and black liquor |
| CN103396815A (en) * | 2013-08-05 | 2013-11-20 | 中国科学院城市环境研究所 | Method for preparing carbon materials by use of sludge |
| EP2982649A1 (en) * | 2014-08-08 | 2016-02-10 | AVA-Co2 Schweiz AG | Method for the production of high quality activated carbons and activated carbons produced using the method |
| CN105170131A (en) * | 2015-09-10 | 2015-12-23 | 广州中国科学院先进技术研究所 | Preparation method of novel sludge carbon-based desulfurization and denitrification catalyst |
Non-Patent Citations (5)
| Title |
|---|
| 乔玉辉，等: "《设施农田土壤重金属污染控制原理与技术》", 31 October 2016 * |
| 吴新华: "《活性炭生产工艺原理与设计》", 31 March 1994 * |
| 王永刚，等: "《煤化工工艺学》", 30 September 2014 * |
| 薛香玉，等: "污泥水热反应产物特性与水热温度选择", 《中国电机工程学报》 * |
| 雍毅，等: "《市政污泥特性与再生利用引论》", 31 May 2016 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423678A (en) * | 2018-04-17 | 2018-08-21 | 华南农业大学 | A kind of multistage porous carbon materials of superhigh specific surface area and the preparation method and application thereof |
| CN108559454A (en) * | 2018-05-14 | 2018-09-21 | 长沙理工大学 | It is a kind of using agaric charcoal as the composite phase-change heat-storage material of amorphous matrix and preparation method |
| CN109019598A (en) * | 2018-07-18 | 2018-12-18 | 华南农业大学 | A kind of mixing biomass prepares the method and manufactured three-dimensional porous carbon material and its application of the three-dimensional porous carbon material of high specific capacitance |
| CN110065942B (en) * | 2019-04-12 | 2022-08-12 | 华南理工大学 | Rice-based granular microporous/ultramicroporous carbon material and preparation method thereof |
| CN110065942A (en) * | 2019-04-12 | 2019-07-30 | 华南理工大学 | A kind of rice base graininess micropore/ultramicropore carbon material and preparation method thereof |
| CN110449122A (en) * | 2019-07-11 | 2019-11-15 | 中国石油大学(华东) | Load the sludge-based activated carbon and its preparation method and application of national standard method |
| CN111085230A (en) * | 2019-12-03 | 2020-05-01 | 郑州轻工业大学 | Preparation method and application of nitrogen-doped sludge compost visible light photocatalytic material |
| CN111333069A (en) * | 2020-03-14 | 2020-06-26 | 北京神舟茂华环保科技有限公司 | Method for preparing supercapacitor electrode material by using protein in sludge |
| CN112479204A (en) * | 2020-12-09 | 2021-03-12 | 青岛理工大学 | Process and method for preparing active carbon by hydrothermal co-carbonization of enteromorpha and municipal sludge |
| CN113998756A (en) * | 2021-08-31 | 2022-02-01 | 武汉工商学院 | Method for evaluating and selecting performance of powdery activated carbon for adsorbing azo dyes by using contents of calcium element and sulfur element |
| CN115321536A (en) * | 2022-04-14 | 2022-11-11 | 中晶城康资源再生利用技术有限公司 | Treatment process and treatment system for preparing formed activated carbon from high-water-content organic waste through hydrothermal carbonization |
| CN115520864A (en) * | 2022-09-28 | 2022-12-27 | 山西大学 | Preparation method of sulfur-nitrogen in-situ doped porous carbon material |
| CN115779864A (en) * | 2022-12-15 | 2023-03-14 | 内蒙古大学 | Preparation method and application of reusable sludge-peanut shell activated carbon material |
| CN116371438A (en) * | 2022-12-23 | 2023-07-04 | 中国科学技术大学 | Fenton-assisting sludge monoatomic cocatalyst and preparation method thereof, and method for treating wastewater by Fenton |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106966392A (en) | A kind of method that utilization municipal sludge prepares nitrogen sulphur codope porous carbon material | |
| CN109516458A (en) | A kind of biomass-based graded porous carbon and preparation method thereof | |
| CN107403698B (en) | A kind of application preparing the method for activated carbon and its active carbon of preparation using biomass | |
| CN106082193B (en) | A kind of method that multilevel hierarchy carbon material is prepared using algae as carbon source | |
| CN103539118B (en) | A kind of method for preparation of active carbon for ultracapacitor | |
| WO2018188422A1 (en) | Garlic skin-based activated carbon electrode material for use with supercapacitor and preparation method | |
| CN106904589A (en) | A kind of hydro-thermal method prepares method and the application of bagasse Carbon Materials | |
| CN107096500A (en) | A kind of utilization Chinese medicine slag prepares the method for magnetic bio charcoal, magnetic bio charcoal and application | |
| CN106809834A (en) | A kind of method that vacuum freeze drying prepares activated carbon from activated sludge | |
| CN103539119B (en) | Preparation method of activated carbon for electrochemical energy storage device | |
| CN106000298A (en) | Method for preparing KOH-based modified walnut shell biomass hydrothermal carbon | |
| CN106629723A (en) | Biomass-based N, S and P-containing co-doped porous carbon and application thereof | |
| CN104084128B (en) | Changing food waste waste residue modification active sludge carbon is utilized for what waste water processed | |
| CN111115629A (en) | High-specific-surface-area carbon material based on waste tobacco stems and preparation method and application thereof | |
| CN102220665B (en) | Method for preparing activated carbon fibers with high specific surface by use of cotton linters | |
| CN103408012A (en) | Method for preparing activated carbon from camellia seed waste residues | |
| CN107628597B (en) | By using SiO2Method for preparing biomass carbon material with micropore and mesopore structure by coating method | |
| CN102417179B (en) | Preparation method of activated carbon material for electrochemical capacitor | |
| CN104649265A (en) | Method for preparing active carbon with high specific surface area from walnut shell | |
| CN105935581A (en) | Inorganic acid catalysis hydrothermal method for preparation of bamboo biochar | |
| CN104724695A (en) | Preparation method of bamboo biochar | |
| CN105948041A (en) | Fungus-based activated carbon nanofiber, and preparation method and application thereof | |
| CN104118863A (en) | Method for preparing porous carbon material for supercapacitor by activating rice husks through ionic liquid | |
| CN106082214A (en) | Load MnO2radix Astragali waste residue activated carbon and preparation method thereof | |
| CN105836745A (en) | Method for preparing carbon material from phoenix tree leaves |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |