CN105251467A - Preparation method of material with high methyl blue adsorption performance - Google Patents
Preparation method of material with high methyl blue adsorption performance Download PDFInfo
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- CN105251467A CN105251467A CN201510675999.4A CN201510675999A CN105251467A CN 105251467 A CN105251467 A CN 105251467A CN 201510675999 A CN201510675999 A CN 201510675999A CN 105251467 A CN105251467 A CN 105251467A
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- methyl blue
- carbon element
- high absorption
- adsorbent
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Abstract
The invention provides a preparation method of a material with high methyl blue adsorption performance. The carbon material is prepared through control of the mass of starch and the concentration of a buffer solution, and then methyl blue adsorption, the quantity of an adsorbent, the adsorption temperature, the pH value during adsorption and the initial concentration for adsorption are tested.
Description
Technical field
The present invention relates to a kind of preparation method of material of high absorption methyl blue, it belongs to field of material technology.
Technical background
In recent years, the environmental problem that waste water from dyestuff pollution causes becomes increasingly conspicuous.Most dyestuff with the aromatic ring structure of complexity, and has certain toxicity and bio-accumulative, is difficult to degraded under field conditions (factors).The process of waste water from dyestuff is mainly set about from decolouring problem.At present, conventional decoloration treatment method has neutralisation, oxidizing process, absorption method, hyperfiltration and Coagulation Method etc.Wherein absorption method many employings merchandise active carbon is adsorbent, and current people attempt to research and develop more cheap sorbing material and improve adsorption efficiency further to replace active carbon and reduce costs.Multi-stage porous carbon material has the features such as large specific area, flourishing pore structure and grading-hole synergy, makes it be widely used in adsorbing domain.It can remove the heavy metal ion in decontaminated water, waste water, as Cu
2+, As
3+, Hg
2+and Cd
2+deng, and larger molecular organics, as methyl blue etc.With multi-stage porous carbon material for adsorbent, greatly reduce the concentration of Heavy Metals in Waters ion, decrease the pollution at water source.Sucrose itself is a kind of typical natural polymer, is a kind of reproducible energy.Have the new material of specific function with sucrose manufacture, be the interested problem of academia and industrial quarters all the time.This is because starch resource is abundant, cheap on the one hand; Be the degradability of starch on the other hand, today that environmental improvement is all paid attention in the whole world seems particularly important.
Summary of the invention
Feature of the present invention is to provide a kind of simple, easy preparation to have the method for the material with carbon element of high absorption methyl blue performance.Its production cost is lower and environmentally safe harmless, is the desirable method preparing material.And obtained material with carbon element pore-size distribution is wider.
The preparation method of the material with carbon element of a kind of high absorption methyl blue performance of the present invention, the research of the performance prepared by a series of material, grasp the mechanism be prepared in microballoon forming process of carbon precursor, by changing the concentration of cushioning liquid, regulate the pH value of solution, calcining heat, heating rate and carbonization time, inquire into itself specific area for material and the impact of pore-size distribution, and then affect the absorption property of its material.
The technical solution used in the present invention: a kind of preparation method of material with carbon element of higher absorption methyl blue performance, comprises the following steps:
1., sucrose, the cushioning liquid of potash and saleratus is placed in there-necked flask, through stirring in water bath, filter, ethanol washs, dry, carbonization, pickling and washing can obtain porous carbon materials, and then inquire into the absorption property of material, and as the temperature of absorption, the amount of adsorbent, the initial concentration of absorption, the pH value of adsorbent solution;
2. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance described in, the amount of sucrose is 1-10g;
3. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance described in, the concentration of cushioning liquid is 0.5mol/L;
4. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance described in, adsorption temp is 25-55 DEG C;
5. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance described in, the scope of the amount of its adsorbent is 0.01-1g/L;
6. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance described in, the pH value of its adsorbent solution is 9-11.
Accompanying drawing explanation
The adsorbance curve over time that Fig. 1 embodiment 1 is measured.
The adsorbance curve over time that Fig. 2 embodiment 2 is measured.
The adsorbance curve over time that Fig. 3 embodiment 3 is measured.
The equilibrium concentration that Fig. 4 embodiment 3 is measured and adsorbance change curve.
Detailed description of the invention
Embodiment 1
Weigh sucrose 3g, mixing is dissolved in the potash of the 0.1mol of 100ml and the cushioning liquid of saleratus, regulate pH=9, magnetic agitation mixes, mechanical agitation 15h again, suction filtration, repeatedly rinse with distilled water and ethanol, 55 DEG C of dry 5h in first constant temperature blast drying oven, then 80 DEG C of dry 12h in vacuum drying chamber, carbonization in tube furnace afterwards, carburizing temperature is 800 DEG C, and heat up with 5 DEG C/min, and be incubated 3h, namely the sample finally obtained, through repeatedly hydrochloric acid and distilled water flushing, obtained material, take 20mg gained material with carbon element, at room temperature adsorb the methyl blue solution that initial concentration is the 50ml of 500mg/l, the equilibrium concentration that it is final is tested after 2h.
Embodiment 2
Weigh sucrose 3g, mixing is dissolved in the potash of the 0.5mol of 100ml and the cushioning liquid of saleratus, regulate pH=9, magnetic agitation mixes, mechanical agitation 15h again, suction filtration, repeatedly rinse with distilled water and ethanol, 55 DEG C of dry 5h in first constant temperature blast drying oven, then 80 DEG C of dry 12h in vacuum drying chamber, carbonization in tube furnace afterwards, carburizing temperature is 800 DEG C, and heat up with 5 DEG C/min, and be incubated 3h, namely the sample finally obtained, through repeatedly hydrochloric acid and distilled water flushing, obtained material, take 20mg gained material with carbon element, at room temperature adsorb the methyl blue solution that initial concentration is the 50ml of 500mg/l, the equilibrium concentration that it is final is tested after 2h.
Embodiment 3
Weigh sucrose 3g, mixing is dissolved in the potash of the 1mol of 100ml and the cushioning liquid of saleratus, regulate pH=9, magnetic agitation mixes, mechanical agitation 15h again, suction filtration, repeatedly rinse with distilled water and ethanol, 55 DEG C of dry 5h in first constant temperature blast drying oven, then 80 DEG C of dry 12h in vacuum drying chamber, carbonization in tube furnace afterwards, carburizing temperature is 800 DEG C, and heat up with 5 DEG C/min, and be incubated 3h, namely the sample finally obtained, through repeatedly hydrochloric acid and distilled water flushing, obtained material, take 20mg gained material with carbon element, at room temperature adsorb the methyl blue solution that initial concentration is the 50ml of 500mg/l, the equilibrium concentration that it is final is tested after 2h.
Claims (6)
- The technical solution used in the present invention: a kind of preparation method of material of high absorption methyl blue comprises the following steps:1., sucrose, the cushioning liquid of potash and saleratus is placed in there-necked flask, through stirring in water bath, filter, ethanol washs, dry, carbonization, the step such as pickling and washing can obtain porous carbon materials, and then inquire into the absorption property of material, and as the temperature of absorption, the amount of adsorbent, the initial concentration of absorption, the pH value of adsorbent solution.
- 2. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance according to claim 1, is characterized in that: the amount of sucrose is 1-10g.
- 3. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance according to claim 1, is characterized in that: the concentration of cushioning liquid is 0.5mol/L.
- 4. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance according to claim 1, is characterized in that: adsorption temp is 25-55 DEG C.
- 5. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance according to claim 1, is characterized in that: the scope of the amount of its adsorbent is 0.01-1g/L.
- 6. the preparation method of the material with carbon element of a kind of high absorption methyl blue performance according to claim 1, is characterized in that: the pH value of its adsorbent solution is 9-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510675999.4A CN105251467A (en) | 2015-10-16 | 2015-10-16 | Preparation method of material with high methyl blue adsorption performance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510675999.4A CN105251467A (en) | 2015-10-16 | 2015-10-16 | Preparation method of material with high methyl blue adsorption performance |
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| CN105251467A true CN105251467A (en) | 2016-01-20 |
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| CN201510675999.4A Pending CN105251467A (en) | 2015-10-16 | 2015-10-16 | Preparation method of material with high methyl blue adsorption performance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379881A (en) * | 2016-09-12 | 2017-02-08 | 天津工业大学 | Preparation method of nitrogen-doped porous carbon spheres for neutral electrolyte supercapacitor |
| CN114275761A (en) * | 2021-12-22 | 2022-04-05 | 中国科学院江西稀土研究院 | Carbon material for producing singlet oxygen and preparation method and application thereof |
-
2015
- 2015-10-16 CN CN201510675999.4A patent/CN105251467A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379881A (en) * | 2016-09-12 | 2017-02-08 | 天津工业大学 | Preparation method of nitrogen-doped porous carbon spheres for neutral electrolyte supercapacitor |
| CN114275761A (en) * | 2021-12-22 | 2022-04-05 | 中国科学院江西稀土研究院 | Carbon material for producing singlet oxygen and preparation method and application thereof |
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Application publication date: 20160120 |