CN108373146A - A kind of algae-residue charcoal and the preparation method and application thereof - Google Patents
A kind of algae-residue charcoal and the preparation method and application thereof Download PDFInfo
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- CN108373146A CN108373146A CN201810408892.7A CN201810408892A CN108373146A CN 108373146 A CN108373146 A CN 108373146A CN 201810408892 A CN201810408892 A CN 201810408892A CN 108373146 A CN108373146 A CN 108373146A
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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
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
- B01J37/084—Decomposition of carbon-containing compounds into carbon
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
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Abstract
The invention discloses a kind of algae-residue charcoals and the preparation method and application thereof, belong to charcoal preparing technical field.This method is sieved after grinding algae-residue, then high temperature process furnances is used to be pyrolyzed, and pyrolysis environment is nitrogen environment, and pyrolysis temperature is 400 DEG C 1000 DEG C, sieving acquisition algae-residue charcoal after pyrolysis.The invention also discloses a kind of applications using in the charcoal catalytic degradation persistent organic pollutants.The present invention prepares raw material using discarded algae-residue as charcoal, reduces the cost of preparation, more effectively solves the problems, such as, how to efficiently use discarded algae-residue, there is good environment and economic benefit.The biological carbon materials green high-efficient of gained of the invention is cheap, can be applied to the fields such as the activation degradable organic pollutant of persulfate.
Description
Technical field
The present invention relates to a kind of algae-residue charcoals and the preparation method and application thereof, belong to charcoal preparing technical field.
Background technology
With economic growth and social progress, miscellaneous drug and personal care articles (PPCPs), incretion interferent
(EDCs), disinfection by-products (DBPs), environmental hormone, pesticide etc. are discharged into water environment, this substance is generally easy to biological concentration,
The health of aquatile is influenced at low concentrations, and then influences human health.This substance is mostly without specific correlative link
Border management policy regulation or discharge standard control, commonly known as emerging pollutant.Current main treatment process has coagulation
The native precipitation method, active carbon adsorption, membrane process and advanced oxidation processes.
Due to global energy shortage and water environment pollution getting worse, carries out wastewater treatment using microorganism and substitute energy
Source production has generally obtained the approval of advanced country in the world.Microalgae is because of Seedling height rate, high carbon dioxide fixed efficiency, epipodium
Border tolerance, high grease or starch accumulation rate and do not strive with people grain and the advantages such as strive ground and can cultivate in the four seasons, in recent years by
Many top team pay attention to.In addition, algae all have in terms of food medicine, additive, agricultural and the energy very high value and
Function.There are many bio-extracts in algae can be directly as medicinal, such as alginate can be used as manufacture tooth mould and haemostatic medicament
Raw material；Phycocyanin has effects that effectively antiviral immune with enhancing；Lutein and astaxanthin have fabulous anti-oxidant
Ability.Industrially using algae as production (food) product made by raw material, especially alginate and phycocyanin, it is widely used to
In industrial production.(the example under specific environmental stimulus:Nitrogen source lacks), the intracellular starch or fat content of many microalgaes can be fast
Speed increases is survived with profit, the strain of minority advantage algae, and intracellular highest grease or carbohydrate content may be up to the 40- of frond dry weight
60%, it is conducive to the biodiesel or biomass production of butanol of back segment.In addition, due to needing a large amount of carbon during microdisk electrode
Nitrogen source, many team are believed can effectively handle industrial organic waste water and the realization industrialization that has an opportunity using microalgae.However, mesh
Team is absorbed in the extraction of target product in microalgae more and applies and have ignored how high efficiente callback recycles preceding majority both at home and abroad
Discarded algae-residue.To reduce the production cost of microalgae carbon sequestration and the microalgae biomass energy, the science profit of discarded algae-residue is effectively improved
Then become one of effective solution method with value.Discarded microalgae algae-residue is converted to height using high temperature pyrolytic cracking to be carbonized
Multiporous biological charcoal, and applied in terms of the advanced oxidation reaction treatment organic wastewater based on sulfate radical have great meaning
Justice.
Charcoal is biological material in anoxic or anoxybiotic environment, the solid product generated after high temperature pyrolysis.It is raw
Object charcoal is a kind of environmental-friendly carbon material, and there is higher specific surface area and porosity, stable structure, stronger ion to hand over
Transducing power and be rich in various surface functionalities groups, biological adsorption agent and non-metal carbon material catalyst can be used as.
Invention content
To solve the problems, such as how to efficiently use discarded algae-residue, industrial production is utilized the purpose of the present invention is to provide a kind of
The simple and quick method for preparing high-quality biological charcoal of discarded algae-residue, realize the purpose of discarded algae-residue recycling.Using
Technical solution it is as follows：
The purpose of the present invention is to provide a kind of methods preparing charcoal using algae-residue is discarded, and this method is to grind algae-residue
It is sieved after mill, then high temperature process furnances is used to be pyrolyzed, pyrolysis environment is nitrogen environment, and pyrolysis temperature is 400 DEG C -1000 DEG C, heat
It is sieved after solution, obtains algae-residue charcoal.
Preferably, the heating rate of the high temperature process furnances is that 15 DEG C/min (from room temperature, such as 25 DEG C, rises to and is pyrolyzed
Temperature).
Preferably, the residence time under pyrolysis temperature is 60min.
It is highly preferred that the pyrolysis temperature is 700 DEG C -900 DEG C.Optimally, the pyrolysis temperature is 900 DEG C.
Preferably, the sieving was the sieve of 200 mesh.
Preferably, algae-residue of the algae-residue after industrial production processing and utilization.
The present invention also provides algae-residue charcoals made from any of the above-described method.
The present invention also provides a kind of application of above-mentioned algae-residue charcoal in catalytic degradation sulfamido organic pollution.
Preferably, the application is to utilize the catalysis persulfate degradation sulfamido organic contamination of any of the above-described algae-residue charcoal
Object.
Preferably, the additive amount of the algae-residue charcoal in the reaction system is the -0.5g/L reactions of 0.2g/L reaction systems
System.
Preferably, a concentration of 4mmol/L-8mmol/L of the persulfate in the reaction system.
Advantageous effect of the present invention：
The method of the present invention calcines the algae-residue charcoal of acquisition for persulfate or single persulfate at 400-1000 DEG C
Degradable organic pollutant all has very strong catalytic action, can activate persulfate or single persulfate, and then applied to work
Change in persulfate or single persulfate degradation sulfamido and phenols organic pollution (algae-residue charcoal is as catalyst), this
Algae-residue is calcined to the algae-residue charcoal for obtaining different surfaces property at 400-1000 DEG C, and in not equality of temperature in inventive method
The lower algae-residue charcoal obtained of degree has different catalytic effects to persulfate or single persulfate, wherein 400 DEG C and 700 DEG C
Under the structure of algae-residue charcoal be porous spherical structure, and the algae-residue charcoal that acquisition is calcined at 900 DEG C is then porous not advise
Then structure, and the catalytic degradation rate that the algae-residue charcoal of the porous irregular structure of acquisition is calcined at 900 DEG C is significantly better than
Algae-residue charcoal at 400 DEG C and 700 DEG C, i.e.,：Calcined at 900 DEG C the structure of the algae-residue charcoal of acquisition compared to 400 DEG C and
The structure obtained at 700 DEG C produces substantive variation, and the catalytic degradation effect of the algae-residue charcoal of acquisition is calcined at 900 DEG C
Fruit also obtains unexpected technique effect.
The present invention prepares raw material using discarded algae-residue as charcoal, reduces the cost of preparation, more effectively solve how
Efficiently using algae-residue is discarded the problem of, has good environment and economic benefit.The preparation method of the present invention is simple to operation, tool
There is environmental-friendly and sustainable development technical advantage.The biological carbon materials green high-efficient of gained of the invention is cheap, can be applied to
The fields such as the activation degradable organic pollutant of persulfate.
Algae-residue charcoal prepared by the present invention can be applied in persulfate, single persulfate system as efficient green
Catalyst degrades to organic pollution.To realize algae-residue secondary use, turn waste into wealth, make full use of the microalgae surplus value,
Not only the recycling of resource had been realized, but also has developed novel deep oxidation system, has realized the quick oxidation of emerging pollutant in water
Degradation.
Description of the drawings
Fig. 1 is biological carbon materials SEM figures made from embodiment 1.
Fig. 2 is biological carbon materials SEM figures made from embodiment 1
Fig. 3 is biological carbon materials SEM figures made from embodiment 1
Fig. 4 is the relational graph of the effect and time of algae-residue charcoal catalytic degradation organic pollution SMX prepared by the present invention.
Specific implementation mode
With reference to specific embodiment, the present invention will be further described, but the present invention should not be limited by the examples.
Embodiment 1：
A kind of algae-residue charcoal and preparation method thereof is present embodiments provided, this method carries out in accordance with the following steps：
Raw material is discarded algae-residue (the bluish-green bacterium of industrial residue) to be ground, after crossing 200 mesh sieve, is sent into high temperature pyrolysis stove,
It 900 DEG C, is pyrolyzed under nitrogen environment, high temperature pyrolysis stove is warming up to 900 DEG C from 25 DEG C of heating rates with 15 DEG C/min, and keeps
Algae-residue charcoal is made after the algae-residue after pyrolysis is crossed 200 mesh sieve in 900 DEG C of 60min.It is electric in scanning to the algae-residue charcoal of acquisition
The SEM figures that sub- microscopically observation arrives are as shown in Figure 1.The algae-residue charcoal obtained at 900 DEG C as shown in Figure 1 is not advised to be porous
Then structure.
Embodiment 2
A kind of algae-residue charcoal and preparation method thereof is present embodiments provided, this method carries out in accordance with the following steps：
Raw material is discarded algae-residue (the bluish-green bacterium of industrial residue) to be ground, after crossing 200 mesh sieve, is sent into high temperature pyrolysis stove,
It 700 DEG C, is pyrolyzed under nitrogen environment, high temperature pyrolysis stove is warming up to 700 DEG C from 25 DEG C of heating rates with 15 DEG C/min, and keeps
Algae-residue charcoal is made after the algae-residue after pyrolysis is crossed 200 mesh sieve in 700 DEG C of 60min.It is electric in scanning to the algae-residue charcoal of acquisition
The SEM figures that sub- microscopically observation arrives are as shown in Figure 2.The algae-residue charcoal obtained at 700 DEG C as shown in Figure 2 is porous ball
Shape structure.
Embodiment 3
A kind of algae-residue charcoal and preparation method thereof is present embodiments provided, this method carries out in accordance with the following steps：
Raw material is discarded algae-residue (the bluish-green bacterium of industrial residue) to be ground, after crossing 200 mesh sieve, is sent into high temperature pyrolysis stove,
It 400 DEG C, is pyrolyzed under nitrogen environment, high temperature pyrolysis stove is warming up to 400 DEG C from 25 DEG C of heating rates with 15 DEG C/min, and keeps
Algae-residue charcoal is made after the algae-residue after pyrolysis is crossed 200 mesh sieve in 400 DEG C of 60min.It is electric in scanning to the algae-residue charcoal of acquisition
The SEM figures that sub- microscopically observation arrives are as shown in Figure 3.The algae-residue charcoal obtained at 400 DEG C as shown in Figure 3 is porous ball
Shape structure.
Embodiment 4
Algae-residue charcoal made from 0.025g embodiments 1-3 is weighed to be separately added into beaker, it is accurate to measure the organic of 50mL
The aqueous solution of a concentration of 20mg/L of pollutant SMX is added in beaker, is added the persulfate 3.2mL of 100mmol/L, is used magnetic
Power blender is stirred at room temperature, and samples at regular intervals, and the sample of taking-up is sent into liquid chromatogram and is detected, and has been added
Machine pollutant original concentration (initial concentration of SMX is 20mg/L) is compared, with the removal of gained mathematic interpolation pollutant
Rate, and then the performance of the algae-residue charcoal catalytic degradation organic pollution SMX prepared is analyzed, the results are shown in Figure 4.
As shown in Figure 4, in the presence of only persulfate, SMX hardly degrades, and is prepared each embodiment 1-3 is added
Algae-residue charcoal after, SMX degradation effects are apparent, illustrate the algae-residue charcoal for calcining acquisition at 400-1000 DEG C for over cure
Hydrochlorate degradable organic pollutant all has catalytic action, and as shown in Figure 4：
1, the algae-residue charcoal obtained under different temperatures has different catalytic effects to persulfate, and with temperature
Increase, catalytic degradation rate significantly improves, wherein the algae-residue charcoal for being pyrolyzed acquisition is added at 700 DEG C at 25 minutes or so,
70% SMX is degraded, and the algae-residue charcoal of acquisition is pyrolyzed at 900 DEG C at 25 minutes or so, and 90% SMX is degraded, and urges
It is more excellent to change degradation effect, i.e.,：The algae-residue life obtained at the algae-residue charcoal of acquisition is pyrolyzed at 700 DEG C and 900 DEG C compared to 400 DEG C
Object charcoal has better catalytic effect, therefore the algae-residue charcoal that pyrolysis temperature obtains between 700 DEG C -900 DEG C has more preferably
Catalytic effect；
2, the algae-residue charcoal of acquisition is pyrolyzed for mistake at being pyrolyzed the algae-residue charcoal of acquisition at 900 DEG C compared to 700 DEG C
There is sulfate degradable organic pollutant faster catalytic degradation efficiency, catalytic degradation rate to be significantly better than 400 DEG C and 700 DEG C
The algae-residue charcoal that lower pyrolysis obtains, while according to calcining the algae-residue charcoal of acquisition then at 900 DEG C of scanning electron microscope result
It is porous irregular structure, and the structure of the algae-residue charcoal at 400 DEG C and 700 DEG C is porous spherical structure, is calcined at 900 DEG C
The algae-residue charcoal of acquisition produces substantive variation in structure compared to the structure obtained at 400 DEG C and 700 DEG C, passes through
The reason that the catalytic degradation efficiency for the algae-residue charcoal for calcining acquisition at 900 DEG C of analysis is high is mainly the change generated due to structure
Change, the algae-residue charcoal that acquisition is calcined at 900 DEG C obtains unexpected catalytic degradation effect.This experiment also shows discarded algae
The quick oxidative degradation of emerging pollutant in water may be implemented in charcoal made from slag.
Embodiment 5
It weighs charcoal made from 0.015g embodiments 1 to be separately added into beaker, the accurate organic pollution for measuring 50mL
The aqueous solution of a concentration of 20mg/L of SMX is added in beaker, is added the persulfate 3.2mL of 100mmol/L, is used magnetic agitation
Device is stirred at room temperature, and samples at regular intervals, and the sample of taking-up is sent into liquid chromatogram and is detected, with organic contamination be added
Object original concentration (initial concentration of SMX is 20mg/L) is compared, with the removal rate of gained mathematic interpolation pollutant, in turn
The performance of the algae-residue charcoal catalytic degradation organic pollution SMX prepared is analyzed, finds the algae for calcining acquisition at 900 DEG C after testing
At 90 minutes or so, 90% SMX's slag charcoal was degraded.
Embodiment 6
It weighs charcoal made from 0.025g embodiments 1 to be separately added into beaker, the accurate organic pollution for measuring 50mL
The aqueous solution of a concentration of 20mg/L of SMX is added in beaker, is added the persulfate 2.13mL of 100mmol/L, is stirred with magnetic force
It mixes device to be stirred at room temperature, sample at regular intervals, the sample of taking-up is sent into liquid chromatogram and is detected, with organic dirt be added
Dye object original concentration (initial concentration of SMX is 20mg/L) is compared, with the removal rate of gained mathematic interpolation pollutant, into
And the performance of the algae-residue charcoal catalytic degradation organic pollution SMX prepared is analyzed, calcining acquisition at 900 DEG C is found after testing
At 35 minutes or so, 90% SMX's algae-residue charcoal was degraded.
Embodiment 6
It weighs charcoal made from 0.025g embodiments 1 to be separately added into beaker, the accurate organic pollution for measuring 50mL
The aqueous solution of a concentration of 20mg/L of SMX is added in beaker, is added the persulfate 4.27mL of 100mmol/L, is stirred with magnetic force
It mixes device to be stirred at room temperature, sample at regular intervals, the sample of taking-up is sent into liquid chromatogram and is detected, with organic dirt be added
Dye object original concentration (initial concentration of SMX is 20mg/L) is compared, with the removal rate of gained mathematic interpolation pollutant, into
And the performance of the algae-residue charcoal catalytic degradation organic pollution SMX prepared is analyzed, calcining acquisition at 900 DEG C is found after testing
At 20 minutes or so, 90% SMX's algae-residue charcoal was degraded.
Although the present invention is disclosed as above with preferred embodiment, it is not limited to the present invention, any to be familiar with this
The people of technology can do various changes and modification, therefore the protection of the present invention without departing from the spirit and scope of the present invention
Range should be subject to what claims were defined.
Claims (10)
1. a kind of method preparing algae-residue charcoal using algae-residue is discarded, which is characterized in that be sieved after grinding algae-residue, then adopt
It is pyrolyzed with high temperature process furnances, pyrolysis environment is nitrogen environment, and pyrolysis temperature is 400 DEG C -1000 DEG C, is sieved after pyrolysis, and algae is obtained
Slag charcoal.
2. algae-residue charcoal according to claim 1, which is characterized in that the heating rate of the high temperature process furnances be 15 DEG C/
min。
3. algae-residue charcoal according to claim 1, which is characterized in that the residence time under pyrolysis temperature is 60min.
4. algae-residue charcoal according to claim 1, which is characterized in that the pyrolysis temperature is 700 DEG C -900 DEG C.
5. algae-residue charcoal according to claim 1, which is characterized in that the sieving was 200 mesh sieve.
6. algae-residue charcoal made from any the methods of claim 1-5.
7. application of the algae-residue charcoal described in claim 6 in catalytic degradation sulfamido organic pollution.
8. applying according to claim 7, which is characterized in that be catalyzed persulfuric acid using algae-residue charcoal described in claim 6
Salt degradation sulfamido machine pollutant.
9. applying according to claim 8, which is characterized in that the additive amount of the algae-residue charcoal in the reaction system is：
Per 0.3g/L-0.5g/L.
10. applying according to claim 8, which is characterized in that the persulfate in the reaction system a concentration of
4mmol/L-8mmol/L。
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095589A (en) * | 2018-08-30 | 2018-12-28 | 中国科学院南京土壤研究所 | The composition of dioxanes and its application in a kind of degradation water body |
| CN109133319A (en) * | 2018-09-04 | 2019-01-04 | 中冶华天工程技术有限公司 | The method for handling coking wastewater |
| CN110237818A (en) * | 2019-06-14 | 2019-09-17 | 上海工程技术大学 | A kind of preparation method and application of nitrogen sulphur codope charcoal |
| CN110327940A (en) * | 2019-07-10 | 2019-10-15 | 吉林大学 | Carbon based material catalyst and its application method and application |
| CN110400939A (en) * | 2019-08-12 | 2019-11-01 | 四川轻化工大学 | A kind of preparation method of biomass nitrating porous carbon oxygen reduction catalyst |
| CN110550688A (en) * | 2019-08-03 | 2019-12-10 | 浙江大学 | Method for removing phenols in water by activating persulfate through CO 2 activated charcoal |
| CN111908582A (en) * | 2019-05-07 | 2020-11-10 | 南开大学 | Method for degrading orange II dye by using wood chip biochar activated persulfate prepared by high-temperature pyrolysis and application |
| CN112295404A (en) * | 2019-07-31 | 2021-02-02 | 哈尔滨工业大学 | Method for filtering and separating multiphase emulsion and simultaneously removing soluble organic pollutants through catalysis |
| CN112516963A (en) * | 2020-11-16 | 2021-03-19 | 湖南大学 | Sesame core charcoal and preparation method and application thereof |
| CN114314794A (en) * | 2021-12-10 | 2022-04-12 | 哈尔滨工业大学 | Preparation method and application of graphene oxide based on high-salt spirulina residues |
| CN114950526A (en) * | 2022-05-27 | 2022-08-30 | 中南林业科技大学 | Algae-based carbon confinement monoatomic copper catalytic material, preparation method and application thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095589A (en) * | 2018-08-30 | 2018-12-28 | 中国科学院南京土壤研究所 | The composition of dioxanes and its application in a kind of degradation water body |
| CN109133319A (en) * | 2018-09-04 | 2019-01-04 | 中冶华天工程技术有限公司 | The method for handling coking wastewater |
| CN111908582A (en) * | 2019-05-07 | 2020-11-10 | 南开大学 | Method for degrading orange II dye by using wood chip biochar activated persulfate prepared by high-temperature pyrolysis and application |
| CN110237818A (en) * | 2019-06-14 | 2019-09-17 | 上海工程技术大学 | A kind of preparation method and application of nitrogen sulphur codope charcoal |
| CN110237818B (en) * | 2019-06-14 | 2022-07-22 | 上海工程技术大学 | Preparation method and application of nitrogen and sulfur co-doped biochar |
| CN110327940A (en) * | 2019-07-10 | 2019-10-15 | 吉林大学 | Carbon based material catalyst and its application method and application |
| CN112295404A (en) * | 2019-07-31 | 2021-02-02 | 哈尔滨工业大学 | Method for filtering and separating multiphase emulsion and simultaneously removing soluble organic pollutants through catalysis |
| CN110550688A (en) * | 2019-08-03 | 2019-12-10 | 浙江大学 | Method for removing phenols in water by activating persulfate through CO 2 activated charcoal |
| CN110550688B (en) * | 2019-08-03 | 2021-04-02 | 浙江大学 | By using CO2Method for removing phenols in water by activated charcoal activated persulfate degradation |
| CN110400939A (en) * | 2019-08-12 | 2019-11-01 | 四川轻化工大学 | A kind of preparation method of biomass nitrating porous carbon oxygen reduction catalyst |
| CN112516963A (en) * | 2020-11-16 | 2021-03-19 | 湖南大学 | Sesame core charcoal and preparation method and application thereof |
| CN112516963B (en) * | 2020-11-16 | 2022-03-22 | 湖南大学 | Sesame core charcoal and preparation method and application thereof |
| CN114314794A (en) * | 2021-12-10 | 2022-04-12 | 哈尔滨工业大学 | Preparation method and application of graphene oxide based on high-salt spirulina residues |
| CN114950526A (en) * | 2022-05-27 | 2022-08-30 | 中南林业科技大学 | Algae-based carbon confinement monoatomic copper catalytic material, preparation method and application thereof |
| CN114950526B (en) * | 2022-05-27 | 2024-02-02 | 中南林业科技大学 | Algae-based carbon limited single-atom copper catalytic material, preparation method and application thereof |
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Application publication date: 20180807 |