CN108262014A - The preparation method of the load manganese modified corn core activated carbon of aniline in a kind of efficient removal water body - Google Patents
The preparation method of the load manganese modified corn core activated carbon of aniline in a kind of efficient removal water body Download PDFInfo
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- CN108262014A CN108262014A CN201810072894.3A CN201810072894A CN108262014A CN 108262014 A CN108262014 A CN 108262014A CN 201810072894 A CN201810072894 A CN 201810072894A CN 108262014 A CN108262014 A CN 108262014A
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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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Abstract
The present invention relates to a kind of preparation methods of the load manganese modified corn core activated carbon of aniline in efficient removal water body, purpose is that the processing cost for the treatment technology generally existing for solving water body containing aniline in the prior art or waste water is higher, complex process and there are the technical problems such as secondary pollution.The method of the present invention specifically, is that roasting is prepared into corncob activated carbon after being activated using phosphoric acid, boric acid to corncob, carries out additive Mn modification to corncob activated carbon with potassium permanganate on this basis.The method of the present invention is obtained to carry manganese modified corn core activated carbon application in processing containing aniline waste water or water body, for conventional carbon, has many advantages, such as that suction-operated is strong, good in economic efficiency and environmental benefit is notable.
Description
Technical field
The invention belongs to water-treatment technology fields, and particularly, the load manganese for being related to aniline in a kind of efficient removal water body is modified
The preparation method of corncob activated carbon.
Background technology
Aniline is important industrial chemicals and fine-chemical intermediate, is widely used in chemical industry, medicine and other fields.But
The rapid development of chemical industry and pharmaceuticals industry so that by the links such as waste water, exhaust gas enter aniline in nature water body and its
The noxious materials such as derivative nitroaniline are continuously increased, and are had seriously polluted the environment, and certain harm is also resulted in human health.
Since aniline belongs to the three cause substances of " carcinogenic, teratogenesis, mutagenesis ", mainly causes methemoglobinemia and liver, kidney and skin
Skin damages, and is classified as " priority pollutants blacklist " by country, and stringent control is required in industrial water drainage.But at present
China is all very low for the governance for reaching standard rate of Aniline categories, and management task is very arduous.
Currently, mainly there is biochemical process, photocatalysis, smelly to the water body containing aniline category matter or the processing method of waste water both at home and abroad
Oxygen oxidation, flocculating setting and activated carbon adsorption etc..Such as Chinese patent CN101279808A, a kind of processing amino benzene analog waste water is disclosed
Method after first handling high nitrobenzene, aniline waste water by flocculating setting, then passes through multistage immobilized microorganism-anaerobism
Biofilter and immobilized microorganism-biological aerated filter processing, the technical matters route is long, and hydraulic detention time is long, micro- life
The activity of object is difficult to keep stable, and flocculant usage is big and is difficult to recycling, and the Treatment of Sludge for generation of flocculating is still problem.
For another example 105906113 A of Chinese patent CN, disclose a kind of processing method of amino benzene analog waste water, which is first will
The pH of amino benzene analog waste water is adjusted to 5~7, is added in iron, activated carbon and rare earth element, is reacted under air supporting state, obtain treatment fluid；
Then after being pre-processed again to treatment fluid, Membrane catalysis processing is carried out, completes wastewater treatment.The shortcomings that processing method is treatment process
Complexity, flow is longer, and a variety of processing methods is needed to be used in combination.
In contrast, active carbon adsorption processing water body containing aniline category matter or waste water, not only high treating effect, safe
Reliably, easy to operate, treating capacity is big, and can be with the aniline in recycle-water, but is needed activated carbon the shortcomings that the method
Demand is bigger, after activated carbon adsorption saturation, needs that it is regenerated to restore its absorption property, and the regeneration of activated carbon
More complicated, causing current active charcoal adsorption treatment water body containing aniline category matter or waste water, the cost is relatively high.Therefore, in order to
The cost of activated carbon processing is reduced, art technology is typically to combine other methods to use, and reduces the usage amount of activated carbon to the greatest extent.
Such as Chinese patent CN 102001765A, disclose a kind of using ozone oxidation-modified activated carbon/modified montmorillonoid absorption joint
Technique handles the method for aniline waste water, which is first with ozone to waste water preliminary oxidation, then successively flows waste water
Enter modified activated carbon adsorption tank and modified montmorillonoid adsorption tank, aniline pollutant is adsorbed and removed, and is Physical joint chemical method
Treatment technology, but wherein ozone is very limited to the degree of oxidation of aniline, and used modified activated carbon, modified montmorillonoid are inhaled
Attached dose of preparation is more complicated, and adsorbent reactivation is difficult, still will appear the problem of discharge of wastewater is not up to standard.
Invention content
Primarily directed in the prior art, the treatment technology generally existing of water body containing aniline or waste water is processed into the present invention
This is higher, complex process and there are technical problems such as secondary pollutions, provides and a kind of goes to remove water using corncob as prepared by raw material
The method of the load manganese modified corn core activated carbon of aniline in body.
The present invention is achieved through the following technical solutions.
The preparation method of the load manganese modified corn core activated carbon of aniline, includes the following steps in a kind of efficient removal water body,
1）First, it is sieved with 100 mesh sieve after corncob is ground, is 1 according to mass ratio：0.5~1：2, corncob powder and phosphoric acid solid are mixed
It closes uniformly, the boric acid solution that addition mass concentration is 2 ~ 10% impregnates corncob powder, roasts, and cooling grinds, obtains corn
Core activated carbon；2）In step 1）Salt 2 ~ 3h of acid soak that mass concentration is 2 ~ 10%, filtering are added in obtained corncob activated carbon
It is afterwards neutral with distilled water flushing to flushing water pH value, is ground after dry, the corncob activated carbon of activation is made；3）In rotating speed
Under the stirring condition of 100~200 r/min, by step 2）The corncob activated carbon of obtained activation is added in liquor potassic permanganate
Additive Mn modification is carried out, is filtered after the completion of modified, obtained solid product is made using roasting, grinding and carries manganese modified corn
Core activated carbon.
The preparation method of the load manganese modified corn core activated carbon of aniline, feature exist in efficiently removal water body as described above
In step 1）Described in boric acid solution mass concentration for 5 %, addition is 0.2 ~ 1 mL boric acid solutions/g corncobs.
The preparation method of the load manganese modified corn core activated carbon of aniline, feature exist in efficiently removal water body as described above
In step 1）In, calcination temperature is 350 ~ 450 DEG C, and roasting time is 15 ~ 75 min.
The preparation method of the load manganese modified corn core activated carbon of aniline, feature exist in efficiently removal water body as described above
In step 2）Described in hydrochloric acid solution mass concentration for 5 %, addition is 10 mL hydrochloric acid/g corncobs.
The preparation method of the load manganese modified corn core activated carbon of aniline, feature exist in efficiently removal water body as described above
In step 3）In, a concentration of 0.04~0.06 mol/L of liquor potassic permanganate, additive amount is 25 mL liquor potassic permanganates/g
Corncob, time of modified operation for 20~for 24 hours.
The preparation method of the load manganese modified corn core activated carbon of aniline, feature exist in efficiently removal water body as described above
In step 3）In, calcination temperature is 400 ~ 500 DEG C, and roasting time is 1 ~ 3 h.
The advantages of efficiently removing the preparation method for carrying manganese modified corn core activated carbon of aniline in water body of the invention and technology
Progress is as follows：
（1）First, at present, it is most of not to be utilized effectively in addition to corncob is except a small amount of for producing furfural, it is caused to environment
Certain burden.And in the method for the present invention, raw material uses the waste corncob after cereal crops corn threshing, both solves agriculture
The outstanding problem of industry waste pollution environment, and turn waste into wealth, it realizes the reproducible recycling high value of corncob and utilizes, symbol
National recycling economy and the strategy of sustainable development are closed, there is good environmental benefit.
（2）Secondly, raw material is mainly derived from various carbon containing organic matters used by the traditional preparation methods of activated carbon, such as
Coal, oil and agriculture and forestry product（Such as timber, shell）Deng.And with fossil fuel resource exhaustion and ecological environment deterioration,
And the raw material sources such as shell are effective, leading to activated carbon, it holds at high price.And what the method for the present invention was discarded with agricultural production
Corncob is raw material, and corn is renewable resource, thus can significantly reduce the production cost of activated carbon.Meanwhile it inhales
Activated carbon after attached aniline category matter can more easily recycling utilization, thus the value that the method for the present invention promotes and applies
It is high, there is preferable economic benefit.
（3）Again, the load manganese modified corn core activated carbon application that the method for the present invention is prepared in water body containing phenyl amines or
The processing of waste water, it is more preferable to the Selective adsorption of aniline and its derivatives for conventional carbon, it can be more notable
Ground improves the removal rate of aniline, and treated water body or Aniline content are far below《Urban wastewater treatment firm pollutant is arranged
Put standard》（GB18918-2002）Requirement to aniline has ensured water quality safety and the benign cycle of surface water and underground water,
With apparent social benefit.
Description of the drawings
Fig. 1 is the SEM phenograms of load manganese modified corn core activated carbon being prepared in the embodiment of the present invention 3.
Specific embodiment
The preparation method and applications effect disclosed in this patent is further described below by specific embodiment.
Embodiment 1
Carry the preparation of manganese modified corn core activated carbon.10 g corncobs are taken, are 1 according to corncob and phosphoric acid quality ratio：0.5, it will
Corncob powder is uniformly mixed with phosphoric acid solid, then adds 2 % boric acid, 2 mL, to corncob powder impregnation, then
15min is roasted at 350 DEG C, is cooled down, grinding obtains corn activated carbon.It is dense that obtained corn activated carbon is added in into quality
Salt 2~3h of acid soak for 10% is spent, with distilled water flushing to flushing water pH value is neutral after filtering, is ground after dry, be made and live
The corncob activated carbon of change.Then, the corncob activated carbon of activation obtained is added in the height of a concentration of 0.04 mol/L of 50mL
In potassium manganate solution, under conditions of 100 r/min of rotating speed, 24 h are stirred, carry out additive Mn modification, filtering, in calcination temperature
Under the conditions of 400 DEG C, then 1 h of baked solid product is ground, and final product is made and carries manganese modified corn core activated carbon.
Carry the application of manganese modified corn core activated carbon processing aniline water.In the aniline-water solution of a concentration of 10 mg/L of 50mL
In, control water temperature is 15 DEG C, and it is 3 to adjust solution ph, then adds in the load manganese modified corn that 0.2g embodiments 1 are prepared
Core activated carbon, then under the conditions of rotating speed is 100 r/min, after handling 45min, filtering measures remaining concentration of aniline in solution,
It the results are shown in Table 1.
Embodiment 2
Carry the preparation of manganese modified corn core activated carbon.10 g corncobs are taken, are 1 according to corncob and phosphoric acid quality ratio：1, it will be beautiful
Rice core powder is uniformly mixed with phosphoric acid solid, 8 % boric acid, 4 mL is then added, to corncob powder impregnation, Ran Hou
30min is roasted at 400 DEG C, is cooled down, grinding obtains corn activated carbon.Obtained corn activated carbon is added in into mass concentration
For 5% salt 2~3h of acid soak, with distilled water flushing to flushing water pH value it is neutral after filtering, is ground after dry, activation is made
Corncob activated carbon.Then, the corncob activated carbon of activation obtained is added in the Gao Meng of a concentration of 0.05 mol/L of 50mL
In sour potassium solution, under conditions of 150 r/min of rotating speed, 22 h are stirred, carry out additive Mn modification, filtering, in calcination temperature 450
Under the conditions of DEG C, then 2 h of baked solid product is ground, and final product is made and carries manganese modified corn core activated carbon.
Carry the application of manganese modified corn core activated carbon processing aniline water.In the aniline-water solution of a concentration of 15 mg/L of 50mL
In, control water temperature is 20 DEG C, and it is 5 to adjust solution ph, then adds in the load manganese modified corn that 0.2g embodiments 2 are prepared
Core activated carbon, then under the conditions of rotating speed is 150 r/min, after handling 50min, filtering measures remaining concentration of aniline in solution,
It the results are shown in Table 1.
Embodiment 3
Carry the preparation of manganese modified corn core activated carbon.10 g corncobs are taken, are 1 according to corncob and phosphoric acid quality ratio：2, it will be beautiful
Rice core powder is uniformly mixed with phosphoric acid solid, 5 % boric acid, 10 mL is then added, to corncob powder impregnation, Ran Hou
60min is roasted at 450 DEG C, is cooled down, grinding obtains corn activated carbon.Obtained corn activated carbon is added in into mass concentration
For 5% salt 2~3h of acid soak, with distilled water flushing to flushing water pH value it is neutral after filtering, is ground after dry, activation is made
Corncob activated carbon.Then, the corncob activated carbon of activation obtained is added in the Gao Meng of a concentration of 0.05 mol/L of 50mL
In sour potassium solution, under conditions of 200 r/min of rotating speed, 20 h are stirred, carry out additive Mn modification, filtering, in calcination temperature 450
Under the conditions of DEG C, then 1 h of baked solid product is ground, and final product is made and carries manganese modified corn core activated carbon.
Carry the application of manganese modified corn core activated carbon processing aniline water.In the aniline-water solution of a concentration of 20 mg/L of 50mL
In, control water temperature is 25 DEG C, and it is 7 to adjust solution ph, then adds in the load manganese modified corn that 0.2g embodiments 3 are prepared
Core activated carbon, then under the conditions of rotating speed is 200 r/min, after handling 55min, filtering measures remaining concentration of aniline in solution,
It the results are shown in Table 1.
Embodiment 4
Carry the preparation of manganese modified corn core activated carbon.10 g corncobs are taken, are 1 according to corncob and phosphoric acid quality ratio：0.5, it will
Corncob powder is uniformly mixed with phosphoric acid solid, then adds 5 % boric acid, 8 mL, to corncob powder impregnation, then
60min is roasted at 350 DEG C, is cooled down, grinding obtains corn activated carbon.It is dense that obtained corn activated carbon is added in into quality
Salt 2~3h of acid soak for 5% is spent, with distilled water flushing to flushing water pH value is neutral after filtering, is ground after dry, be made and live
The corncob activated carbon of change.Then, the corncob activated carbon of activation obtained is added in the height of a concentration of 0.04 mol/L of 50mL
In potassium manganate solution, under conditions of 150 r/min of rotating speed, 24 h are stirred, carry out additive Mn modification, filtering, in calcination temperature
Under the conditions of 400 DEG C, then 1 h of baked solid product is ground, and final product is made and carries manganese modified corn core activated carbon.
Carry the application of manganese modified corn core activated carbon processing aniline water.In the aniline-water solution of a concentration of 10 mg/L of 50mL
In, control water temperature is 30 DEG C, and it is 9 to adjust solution ph, then adds in the load manganese modified corn that 0.2g embodiments 4 are prepared
Core activated carbon, then under the conditions of rotating speed is 100 r/min, after handling 60min, filtering measures remaining concentration of aniline in solution,
It the results are shown in Table 1.
Embodiment 5
Carry the preparation of manganese modified corn core activated carbon.10 g corncobs are taken, are 1 according to corncob and phosphoric acid quality ratio：1, it will be beautiful
Rice core powder is uniformly mixed with phosphoric acid solid, 5 % boric acid, 10 mL is then added, to corncob powder impregnation, Ran Hou
75min is roasted at 400 DEG C, is cooled down, grinding obtains corn activated carbon.Obtained corn activated carbon is added in into mass concentration
For 5% salt 2~3h of acid soak, with distilled water flushing to flushing water pH value it is neutral after filtering, is ground after dry, activation is made
Corncob activated carbon.Then, the corncob activated carbon of activation obtained is added in the Gao Meng of a concentration of 0.05 mol/L of 50mL
In sour potassium solution, under conditions of 200 r/min of rotating speed, 20 h are stirred, carry out additive Mn modification, filtering, in calcination temperature 450
Under the conditions of DEG C, then 2 h of baked solid product is ground, and final product is made and carries manganese modified corn core activated carbon.
Carry the application of manganese modified corn core activated carbon processing aniline water.In the aniline-water solution of a concentration of 15 mg/L of 50mL
In, control water temperature is 35 DEG C, and it is 11 to adjust solution ph, then adds in the load manganese modified corn that 0.2g embodiments 5 are prepared
Core activated carbon, then under the conditions of rotating speed is 150 r/min, after handling 45min, filtering measures remaining concentration of aniline in solution,
It the results are shown in Table 1.
In 1 embodiment 1 to 5 of table after the removal rate of aniline and processing in water body aniline concentration value
By table 1 as it can be seen that the load manganese modified corn core activated carbon application that is prepared of the method for the present invention is in water body containing phenyl amines or useless
The processing of water, more preferable to the Selective adsorption of aniline and its derivatives for conventional carbon, aniline removal rate reaches
To more than 99%, treated water body or Aniline content are far below《Urban wastewater treatment firm pollutant emission standard》
（GB18918-2002）Requirement to aniline（Highest allows concentration of emission to be 0.5mg/L（Annual average））.
It is also known by table 1, the load manganese modified corn core activated carbon prepared under the conditions of example 3 is to aniline in water body
Removal effect is best, reaches 99.85%, SEM characterizations（It is tested with JEOL JSM-7800F instruments）And BET characterizations（With U.S.
State Mike ASAP2020HD88 is tested）Fig. 1 and table 2 are seen respectively.
Table 2 carries the BET characterization comparative analyses of manganese modified corn core activated carbon and commercially available activated carbon
The SEM phenograms of manganese modified corn core activated carbon are carried it is found that preparing item in embodiment 3 using the method for the present invention by Fig. 1
Under part, in the load manganese modified corn core activated carbon structure being prepared, manganese metal can preferably be dispersed in corncob activated carbon
Surface, this cause the load manganese modified corn core activated carbon that embodiment 3 is prepared to contain aniline waste water or water body have it is higher
Removal effect.Comparative analysis is characterized it is found that carrying with reference to BET of the manganese modified corn core activated carbon with commercially available activated carbon is carried in table 2
Single point specific surface area, BET specific surface area and the t-Plot micropore areas of manganese modified corn core activated carbon are commercially available activated carbon respectively
24.12 times, 23.88 times and 14.55 times of single point specific surface area, BET specific surface area and t-Plot micropore areas, this further from
Inner structural features illustrate that the method for the present invention was prepared carries microcosmic table special possessed by manganese modified corn core activated carbon
Face physical arrangement is it to having the essential reason of higher removal effect containing aniline waste water or water body.It should be evident that for
For those of ordinary skill in the art, Fig. 1 and table 2 reflect the structural behaviour for carrying manganese modified corn core activated carbon in embodiment 3
The load manganese modified corn core activated carbon that also the method for the present invention other embodiment is prepared is to containing aniline waste water or water body
Basic reason with preferable removal effect.In other words and the method for the present invention for the prior art activated carbon to containing
Aniline waste water or water body have the immanent cause of preferable removal effect.
The foregoing is merely the preferred embodiment of the embodiment of the present invention, the present invention includes but is not limited to above-mentioned implementation
Example.To those skilled in the art, can have various transformation and replacement or above-mentioned technical proposal arbitrary group of the invention
It closes.Any modification, equivalent substitution, improvement and etc. done under all principles in embodiment described in the method for the present invention and spirit, all belong to
In protection scope of the present invention.
Claims (6)
1. the preparation method of the load manganese modified corn core activated carbon of aniline, includes the following steps, 1 in a kind of efficient removal water body）
First, it is 1 according to mass ratio：0.5~1：2, corncob powder is uniformly mixed with phosphoric acid solid, it is 2 ~ 10% to add in mass concentration
Boric acid solution to corncob powder impregnate, roast, cool down, grinding, obtain corncob activated carbon；
2）In step 1）Salt 2 ~ 3h of acid soak that mass concentration is 2 ~ 10% is added in obtained corncob activated carbon, is used after filtering
Distilled water flushing to flushing water pH value is neutrality, is ground after dry, and the corncob activated carbon of activation is made；
3）Under the stirring condition of 100~200 r/min of rotating speed, by step 2）The corncob activated carbon of obtained activation adds in high
Additive Mn modification is carried out in potassium manganate solution, is filtered after the completion of modified, obtained solid product is made using roasting, grinding
Carry manganese modified corn core activated carbon.
2. the preparation side of the load manganese modified corn core activated carbon of aniline in a kind of efficient removal water body according to claim 1
Method, which is characterized in that step 1）Described in boric acid solution mass concentration for 5 %, addition is 0.2 ~ 1 mL boric acid solutions/g
Corncob.
3. the preparation side of the load manganese modified corn core activated carbon of aniline in a kind of efficient removal water body according to claim 1
Method, which is characterized in that step 1）In, calcination temperature is 350 ~ 450 DEG C, and roasting time is 15 ~ 75 min.
4. the preparation side of the load manganese modified corn core activated carbon of aniline in a kind of efficient removal water body according to claim 1
Method, which is characterized in that step 2）Described in hydrochloric acid solution mass concentration for 5 %, addition is 10 mL hydrochloric acid/g corncobs.
5. the preparation side of the load manganese modified corn core activated carbon of aniline in a kind of efficient removal water body according to claim 1
Method, which is characterized in that step 3）In, a concentration of 0.04~0.06 mol/L of liquor potassic permanganate, additive amount is 25 mL Gao Meng
Sour potassium solution/g corncobs, time of modified operation for 20~for 24 hours.
6. the preparation side of the load manganese modified corn core activated carbon of aniline in a kind of efficient removal water body according to claim 1
Method, which is characterized in that step 3）In, calcination temperature is 400 ~ 500 DEG C, and roasting time is 1 ~ 3 h.
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| CN112263993A (en) * | 2020-10-19 | 2021-01-26 | 大连海事大学 | Boron-phosphorus co-doped activated carbon for adsorption of aromatic ring-containing compound in water and preparation method thereof |
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| 许剑海等: "桐壳基活性炭对水中苯胺的吸附性能研究", 《环境科学与管理》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847696A (en) * | 2019-01-22 | 2019-06-07 | 太原理工大学 | A kind of efficient preparation method for carrying the useless bacteria residue activated carbon from activated sludge of manganese for removing aniline in water body |
| CN112263993A (en) * | 2020-10-19 | 2021-01-26 | 大连海事大学 | Boron-phosphorus co-doped activated carbon for adsorption of aromatic ring-containing compound in water and preparation method thereof |
| CN112263993B (en) * | 2020-10-19 | 2023-08-25 | 大连海事大学 | Boron-phosphorus co-doped activated carbon for adsorption of aromatic ring-containing compound in water and preparation method thereof |
| CN114849646A (en) * | 2022-05-07 | 2022-08-05 | 南京信息工程大学 | Modified gasification ash activated carbon adsorption material |
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Application publication date: 20180710 |