CN102430386B - Photocatalytic aerogel contained bamboo charcoal-based adsorption and decomposition agent as well as its preparation method - Google Patents
Photocatalytic aerogel contained bamboo charcoal-based adsorption and decomposition agent as well as its preparation method Download PDFInfo
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- CN102430386B CN102430386B CN 201110274107 CN201110274107A CN102430386B CN 102430386 B CN102430386 B CN 102430386B CN 201110274107 CN201110274107 CN 201110274107 CN 201110274107 A CN201110274107 A CN 201110274107A CN 102430386 B CN102430386 B CN 102430386B
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- 239000007788 liquid Substances 0.000 claims description 12
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 8
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- 239000005055 methyl trichlorosilane Substances 0.000 claims description 4
- JLUFWMXJHAVVNN-UHFFFAOYSA-N methyltrichlorosilane Chemical compound C[Si](Cl)(Cl)Cl JLUFWMXJHAVVNN-UHFFFAOYSA-N 0.000 claims description 4
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
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Abstract
The invention discloses a preparation method of a photocatalytic aerogel contained bamboo charcoal-based adsorption and decomposition agent. The method comprises the steps of: 1) dissolving tetrabutyl orthotitanate in ethanol, then adding bamboo charcoal particles, and conducting ultrasonic treatment and standing, thus obtaining a mixed solution A; 2) dissolving a chelating agent into an alcohol-water solution so as to obtain a mixed solution B; 3) adding the mixed solution B into the mixed solution A, then adding a drying control chemical additive and conducting stirring, thus obtaining a mixture C; 4) subjecting the mixture C to water bath, aging, absolute ethyl alcohol washing, immersion in a surface modifier solution and immersion in a low surface tension solvent in order; 5) carryingout heat preservation to the substance obtained in step 4) at a temperature of 65-80DEG C for 8-14h first, then performing heat treatment in a nitrogen atmosphere furnace at a temperature of 350-500DEG C for 4-6h, and conducting furnace cooling, thus obtaining the bamboo charcoal-based adsorption and decomposition agent. With good adsorption and decomposition effects, the bamboo charcoal-based adsorption and decomposition agent is hopeful to be used for indoor pollution control, sewage treatment, and other aspects.
Description
Technical field
The present invention relates to a kind of bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge and preparation method thereof, specifically, is a kind of material for the adsorption-decomposition function indoor VOCs and production method thereof.
Background technology
Bamboo charcoal is fired by high temperature anaerobic and is formed, and has abundant microcellular structure.Since being it is found that, just because of functions such as its absorption that has, damping, radiation far infrared, anion releasings, and the aspects such as damping at home, indoor purifying, sewage disposal extensively have been used in.And for the adsorptivity that how to improve bamboo charcoal, be the focus that people study always.
TiO
2Aeroge is that the size of its inner void and basic composition particle all is in nanometer scale by nano particle or the high-polymer molecular coalescent and cellular solid that consists of mutually, and specific area is at 50～1600m
2/ g, porosity is up to 80%～99.8%, and pore size distribution is even, and light transmission is also better.With TiO
2Powder is different with film, TiO
2Aeroge is transparent or semitransparent shape solid, and ultraviolet light is sweep gas gel particle fully almost, excited gas gel top layer and inner TiO
2, discharge hole and electronics.Consist of in addition TiO
2The basic granules of aeroge is very little, be in the quantum size scope, when UV-irradiation excites, the hole of its Surface Creation and electronics are difficult for compound, thereby greatly improved photocatalytic activity, and it is the mesoporous material with high-specific surface area, and pollutant outer surface within it adsorbs simultaneously and degrades.
At present, with bamboo charcoal and TiO
2Compound preparation adsorption decomposition agent has relevant report.The inventor was once also 200710067447.0 " TiO having Ag and multihole at application number
2Modification bamboo charcoal and preparation method thereof " in be to have reported relevant TiO in 201010190411.3 " a kind of adsorption decomposition agent and preparation method thereof " with application number
2Modification bamboo charcoal, and obtained the bamboo charcoal material of better performances.
And with bamboo charcoal and the more excellent TiO of performance
2Aeroge is compound, and relevant report had not also been arranged.In application number was 200810209750.4 " a kind of material preparation method of novel control room air pollution ", author Liu Yalan loaded to titania aerogel on activated carbon fiber, and the material PARA FORMALDEHYDE PRILLS(91,95) degradation rate of preparing reaches 99%.But the emphasis of this patent is how to prepare TiO
2Aeroge.Its shortcoming is to prepare TiO
2Adopt the supercritical drying that cost is higher, technique is more complicated in the aeroge process, and unexposed very important how with TiO
2The concrete technology that aeroge and activated carbon fiber are compound.Do not characterize out the specific area of this composite yet.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind of have a good adsorption-decomposition function effect contain bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge and preparation method thereof.
In order to solve the problems of the technologies described above, the invention provides a kind of preparation method who contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge, comprise the steps:
1), in 25～50 ℃, butyl titanate is dissolved in ethanol as solvent, the mol ratio of butyl titanate and ethanol is 1: 1.5～2.5; Then add bamboo charcoal particle, ultrasonic, standing, obtain mixed liquor A;
2), chelating agent is dissolved in mol ratio is that in 1: 0.8～1.2 alcohol solution, the volume ratio of chelating agent and pure water is 1: 0.8～1.2, stirs, and obtains mixed liquid B;
3), the speed of mixed liquid B with 5～10ml/min is joined in mixed liquor A, then add drying control chemical additive, stir 10～60min; Obtain mixture C;
Butyl titanate: chelating agent: the mol ratio of drying control chemical additive is 1: 0.5～3.5: 0.5～3.5; The bamboo charcoal consumption accounts for 28～32% of butyl titanate, chelating agent and drying control chemical additive gross weight;
4) ageing 1～7d, mixture C is placed in 40～70 ℃ of water-bath 6～14h, then at 40～50 ℃ of temperature; Then use absolute ethanol washing 1～3 time, then soak 1～3 time with the finishing agent solution, each soak time is 10～14h; Soak 1～3 time with low surface tension solvent at last, each soak time is 10～14h;
5), with step 4) gains first be incubated 8～14h under 65～80 ℃; Then at 350～500 ℃ of temperature in the nitrogen atmosphere stove heat treatment 4～6h, cooling with stove, getting load has TiO
2The bamboo charcoal particle of aeroge; This load has TiO
2The bamboo charcoal particle of aeroge is the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge.
Improvement as the preparation method of the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge of the present invention: chelating agent is acetylacetone,2,4-pentanedione, oxalic acid, citric acid, acetic acid, acrylic acid or ethylenediamine.
Further improvement as the preparation method of the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge of the present invention: drying control chemical additive is formamide, polyethylene glycol or dimethyl formamide.
Further improvement as the preparation method of the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge of the present invention: the finishing agent solution is that molar concentration is the ethanolic solution of the ethyl orthosilicate of 0.5～2mol/L, the ethanolic solution of trim,ethylchlorosilane or the ethanolic solution of methyl trichlorosilane.
Further improvement as the preparation method of the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge of the present invention: low surface tension solvent is absolute ethyl alcohol, isopropyl alcohol, n-hexane or acetone.
Further improvement as the preparation method of the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge of the present invention: step 1): supersonic frequency is 60KHz, and ultrasonic time is 8～12min, and time of repose is 5～10h.
Further improvement as the preparation method of the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge of the present invention: the bamboo charcoal particle particle diameter is 30～50 orders.
In the present invention, step 2) alcohol in alcohol solution is ethanol.
In the present invention, butyl titanate divides and solves TiO
2
The present invention also provides the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge that utilizes the said method preparation and get simultaneously.
The present invention is to bamboo charcoal particle and TiO
2Aeroge carries out reasonably composite, at bamboo charcoal particle surface and the inner normal pressure photocatalysis titanium dioxide aeroge processed that adopts, thereby prepare a kind of load, TiO is arranged
2The bamboo charcoal material of aerogel particle.
The present invention is that the inventor is at the bamboo charcoal that studies for a long period of time, TiO
2On the basis of aerogel material, obtain through repeatedly exploring technical process.Its advantage is, adopts the original position load technology, makes bamboo charcoal and TiO
2Aeroge composite closely, Uniform Dispersion.Material combines absorption and the TiO of bamboo charcoal
2The specific area that aeroge is high and strong photocatalysis effect have reached composite enhancing effect.TiO
2Aeroge is carried in vascular bundle, vessel cluster and the micropore of bamboo charcoal with independent netted form, adopts original position to generate aerogel carried technology, makes Load Balanced, there are no reunion.After heat treatment, TiO
2Maintain good anatase crystal.
The present invention is conceived to TiO
2Aerogel carried in bamboo charcoal, and the duct of bamboo charcoal is not stopped up by aeroge; The employing cost is lower, the simple constant pressure and dry of technique, takes full advantage of TiO
2The advantage of aeroge high-specific surface area, highlight catalytic active, and compound with the renewable resource bamboo charcoal, and one side has improved the adsorption capacity of bamboo charcoal itself greatly, has also reduced on the other hand independent use TiO
2Aeroge is as the cost of adsorbent.
The material that the present invention produces, its specific area reaches 1200～1600m after tested
2/ g, being better than at publication number is to report in CN201010190411.3 " a kind of adsorption decomposition agent and preparation method thereof ".
Press GB 50325-2001 " civil building engineering indoor environmental pollution thing control standard ", GB/T 18204.26-2000 " public place method for determining formaldehyde in air ", GB/T18204.25-2000 " public place Ammonia in Air assay method ", GB11737-89 " benzene, toluene and dimethylbenzene health test method-gas chromatography in the atmosphere of residential area " check, record its clearance 99～100% to free formaldehyde, to the clearance 98～99% of ammonia, to the clearance 97～100% of benzene.
Utilize the prepared bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge of the present invention, have good adsorption-decomposition function effect, be expected to for aspects such as indoor pollution control, sewage disposals.
The specific embodiment
In following examples, the particle diameter of selected bamboo charcoal particle is 30～50 orders.
Embodiment 1, a kind of its preparation method that contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge;
Press material molar ratio, butyl titanate: chelating agent: drying control chemical additive is 1: 3.5: 3.5.Chelating agent is acetylacetone,2,4-pentanedione, and drying control chemical additive is formamide, and coating material is the ethanolic solution (concentration is 1mol/L) of ethyl orthosilicate, and low surface tension solvent is absolute ethyl alcohol.The consumption of bamboo charcoal particle is 30% of butyl titanate, chelating agent and drying control chemical additive weight sum.
Carry out successively following steps:
1), at 25 ℃ of temperature, butyl titanate is dissolved in ethanol as solvent; Then adding bamboo charcoal particle, is ultrasonic 10min in 60KHz in frequency, and standing 10h obtains mixed liquor A; The mol ratio of butyl titanate and ethanol is 1: 2.
2), with ethanol and the water mixed in molar ratio according to 1: 1, get alcohol solution.
Chelating agent is dissolved in above-mentioned alcohol solution, stirs, obtain mixed liquid B.The volume ratio of chelating agent and alcohol solution is 1: 1.
3), the speed of mixed liquid B with 5ml/min is joined in mixed liquor A, then add drying control chemical additive to stir 10min; Obtain mixture C;
4) ageing 1d, mixture C is placed in 40 ℃ of water-bath 6h, then at 40 ℃ of temperature; Then use absolute ethanol washing 3 times, then soak 2 times with the finishing agent solution, each soak time is 12h; Soak 2 times with low surface tension solvent at last, each soak time is 12h; Above-mentioned immersion must guarantee that all mixture C is submerged.
5), with step 4) gains first be incubated 8h under 65 ℃; Then at 350 ℃ of temperature in the nitrogen atmosphere stove heat treatment 4h, cooling with stove, getting load has TiO
2The bamboo charcoal particle of aeroge; This is loaded with TiO
2The bamboo charcoal particle of aeroge is the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge.
This load has TiO
2The bamboo charcoal particle of aeroge after tested, its specific area reaches 1350m
2/ g is to the clearance 99% of free formaldehyde, to the clearance 99% of ammonia, to the clearance 97% of benzene.
Embodiment 2, a kind of its preparation method that contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge;
Press material molar ratio, butyl titanate: chelating agent: drying control chemical additive is 1: 2.5: 2.5.Chelating agent is acetic acid, and drying control chemical additive is dimethyl formamide, and coating material is the ethanolic solution (concentration is 1.5mol/L) of methyl trichlorosilane, and the low surface tension solvent of replacing at last is isopropyl alcohol.The consumption of bamboo charcoal particle is 30% of butyl titanate, chelating agent, drying control chemical additive weight sum.
Carry out successively following steps:
1), at 30 ℃ of temperature, butyl titanate is dissolved in ethanol as solvent; Then adding bamboo charcoal particle, is ultrasonic 10min in 60KHz in frequency, and standing 7h obtains mixed liquor A; The mol ratio of butyl titanate and ethanol is 1: 2,
2), ethanol is mixed according to the volume ratio of 1: 1 with water, get alcohol solution.
Chelating agent is dissolved in above-mentioned alcohol solution, stirs, obtain mixed liquid B.The volume ratio of chelating agent and pure water is 1: 1.
3), the speed of mixed liquid B with 10ml/min is joined in mixed liquor A, then add drying control chemical additive to stir 60min; Obtain mixture C;
4) ageing 3d, mixture C is placed in 40 ℃ of water-bath 14h, then at 50 ℃ of temperature; Then use absolute ethanol washing 3 times, then soak 2 times with the finishing agent solution, each soak time is 12h; Soak 3 times with low surface tension solvent at last, each soak time is 12h; Above-mentioned immersion must guarantee that all mixture C is submerged.
5), with step 4) gains first be incubated 14h under 80 ℃; Then at 450 ℃ of temperature in the nitrogen atmosphere stove heat treatment 4h, cooling with stove, getting load has TiO
2The bamboo charcoal particle of aeroge; This is loaded with TiO
2The bamboo charcoal particle of aeroge is the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge.
This load has TiO
2The bamboo charcoal particle of aeroge after tested, its specific area reaches 1600m
2/ g is to the clearance 100% of free formaldehyde, to the clearance 99% of ammonia, to the clearance 100% of benzene.
Embodiment 3, a kind of its preparation method that contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge;
Press material molar ratio, butyl titanate: chelating agent: drying control chemical additive is 1: 0.5: 0.5.Chelating agent is citric acid, and drying control chemical additive is dimethyl formamide, and coating material is the ethanolic solution (concentration is 1.8mol/L) of trim,ethylchlorosilane, and the low surface tension solvent of replacing at last is n-hexane.The consumption of bamboo charcoal particle is 30% of butyl titanate, chelating agent and drying control chemical additive weight sum
Carry out successively following steps:
1), at 50 ℃ of temperature, butyl titanate is dissolved in ethanol as solvent; Then adding bamboo charcoal particle, is ultrasonic 10min in 60KHz in frequency, and standing 5h obtains mixed liquor A; The mol ratio of butyl titanate and ethanol is 1: 2,
2), ethanol is mixed according to the volume ratio of 1: 1 with water, get alcohol solution.
Chelating agent is dissolved in above-mentioned alcohol solution, stirs, obtain mixed liquid B.The volume ratio of chelating agent and pure water is 1: 1.
3), the speed of mixed liquid B with 10ml/min is joined in mixed liquor A, then add drying control chemical additive to stir 10min; Obtain mixture C;
4) ageing 4d, mixture C is placed in 60 ℃ of water-bath 9h, then at 40 ℃ of temperature; Then use absolute ethanol washing 1 time, then soak 2 times with the finishing agent solution, each soak time is 12h; Soak 3 times with low surface tension solvent at last, each soak time is 12h; Above-mentioned immersion must guarantee that all mixture C is submerged.
5), with step 4) gains first be incubated 10h under 70 ℃; Then at 500 ℃ of temperature in the nitrogen atmosphere stove heat treatment 4h, cooling with stove, getting load has TiO
2The bamboo charcoal particle of aeroge; This is loaded with TiO
2The bamboo charcoal particle of aeroge is the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge.
This load has TiO
2The bamboo charcoal particle of aeroge after tested, its specific area reaches 1570m
2/ g is to the clearance 100% of free formaldehyde, to the clearance 98% of ammonia, to the clearance 99% of benzene.
Embodiment 4, a kind of its preparation method that contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge;
Press material molar ratio, butyl titanate: chelating agent: drying control chemical additive is 1: 3: 3.5.Chelating agent is ethylenediamine, and drying control chemical additive is dimethyl formamide, and coating material is the ethanolic solution (concentration is 0.6mol/L) of methyl trichlorosilane, and the low surface tension solvent of replacing at last is acetone.The consumption of bamboo charcoal particle is 30% of butyl titanate, chelating agent and drying control chemical additive weight sum
Carry out successively following steps:
1), at 50 ℃ of temperature, butyl titanate is dissolved in ethanol as solvent; Then adding bamboo charcoal particle, is ultrasonic 10min in 60KHz in frequency, and standing 10h obtains mixed liquor A; The mol ratio of butyl titanate and ethanol is 1: 2.
2), ethanol is mixed according to the volume ratio of 1: 1 with water, get alcohol solution.
Chelating agent is dissolved in above-mentioned alcohol solution, stirs, obtain mixed liquid B.The volume ratio of chelating agent and pure water is 1: 1.
3), the speed of mixed liquid B with 10ml/min is joined in mixed liquor A, then add drying control chemical additive to stir 60min; Obtain mixture C;
4) ageing 7d, mixture C is placed in 70 ℃ of water-bath 14h, then at 50 ℃ of temperature; Then use absolute ethanol washing 3 times, then soak 3 times with the finishing agent solution, each soak time is 12h; Soak 3 times with low surface tension solvent at last, each soak time is 12h; Above-mentioned immersion must guarantee that all mixture C is submerged.
5), with step 4) gains first be incubated 14h under 80 ℃; Then at 500 ℃ of temperature in the nitrogen atmosphere stove heat treatment 6h, cooling with stove, getting load has TiO
2The bamboo charcoal particle of aeroge; This is loaded with TiO
2The bamboo charcoal particle of aeroge is the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge.
This load has TiO
2The bamboo charcoal particle of aeroge after tested, its specific area reaches 1490m
2/ g is to the clearance 99% of free formaldehyde, to the clearance 99% of ammonia, to the clearance 98% of benzene.
At last, it is also to be noted that, what more than enumerate is only several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (6)
1. contain the preparation method of the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge, it is characterized in that comprising the steps:
1), in 25 ~ 50 ℃, butyl titanate is dissolved in ethanol as solvent, the mol ratio of butyl titanate and ethanol is 1:1.5 ~ 2.5; Then add bamboo charcoal particle, ultrasonic, standing, obtain mixed liquor A;
2), chelating agent is dissolved in the alcohol solution that mol ratio is 1:0.8 ~ 1.2, the volume ratio of described chelating agent and pure water is 1:0.8 ~ 1.2, stirs, and obtains mixed liquid B;
Described chelating agent is acetylacetone,2,4-pentanedione, oxalic acid, citric acid, acetic acid, acrylic acid or ethylenediamine;
3), the speed of mixed liquid B with 5 ~ 10ml/min is joined in mixed liquor A, then add drying control chemical additive, stir 10 ~ 60 min; Obtain mixture C;
Described butyl titanate: chelating agent: the mol ratio of drying control chemical additive is 1:0.5 ~ 3.5:0.5 ~ 3.5; The bamboo charcoal consumption accounts for 28 ~ 32% of butyl titanate, chelating agent and drying control chemical additive gross weight;
Described drying control chemical additive is formamide, polyethylene glycol or dimethyl formamide;
4) ageing 1 ~ 7 d, mixture C is placed in 40 ~ 70 ℃ of water-bath 6 ~ 14 h, then at 40 ~ 50 ℃ of temperature; Then use absolute ethanol washing 1 ~ 3 time, then soak 1 ~ 3 time with the finishing agent solution, each soak time is 10 ~ 14 h; Soak 1 ~ 3 time with low surface tension solvent at last, each soak time is 10 ~ 14 h;
5), the gains with step 4) first are incubated 8 ~ 14 h under 65 ~ 80 ℃; Then at 350 ~ 500 ℃ of temperature in the nitrogen atmosphere stove heat treatment 4 ~ 6 h, cooling with stove, getting load has TiO
2The bamboo charcoal particle of aeroge; This load has TiO
2The bamboo charcoal particle of aeroge is the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge.
2. the preparation method who contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge according to claim 1, it is characterized in that: described finishing agent solution is that molar concentration is the ethanolic solution of the ethyl orthosilicate of 0.5 ~ 2mol/L, the ethanolic solution of trim,ethylchlorosilane or the ethanolic solution of methyl trichlorosilane.
3. the preparation method who contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge according to claim 2, it is characterized in that: described low surface tension solvent is absolute ethyl alcohol, isopropyl alcohol, n-hexane or acetone.
4. the preparation method who contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge according to claim 3, it is characterized in that: in described step 1): supersonic frequency is 60KHz, and ultrasonic time is 8 ~ 12 min, and time of repose is 5 ~ 10h.
5. the preparation method who contains the bamboo charcoal base adsorption decomposition agent of photocatalysis aeroge according to claim 4, it is characterized in that: described bamboo charcoal particle particle diameter is 30 ~ 50 orders.
6. utilize the bamboo charcoal base adsorption decomposition agent that contains the photocatalysis aeroge that gets as any one method preparation in claim 1 ~ 5.
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| CN109859953A (en) * | 2017-11-30 | 2019-06-07 | 北京化工大学 | A kind of preparation method of bamboo matrix activated carbon/manganese aerogel composite |
| DE102018003805A1 (en) * | 2018-05-11 | 2019-11-14 | Abcr Gmbh | Activated carbon composition and its use for the removal of microplastic particles from water and / or a body of water and / or for the purification of water and / or a body of water |
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