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Activated carbons

Thermally-driven hydrogen compression based on adsorption onto activated carbons

Thermally-driven hydrogen compression based on adsorption onto activated carbons

... Université de Lorraine, Vandœuvre-lès-Nancy, France *Presenting author’s e-mail: vanessa.fierro@univ-lorraine.fr Introduction Carbon materials have received a noteworthy attention as gas storage materials due to their ...

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Influence of activated carbons on the kinetics and mechanisms of aromatic
molecules ozonation

Influence of activated carbons on the kinetics and mechanisms of aromatic molecules ozonation

... of activated carbons had no noticeable effect on the removal of 2,4-DCP and its ...by activated carbons, at least for the AC concentrations (1 g L −1 ) used in this ...

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Preparation, characterization and Methylene Blue adsorption of phosphoric acid activated carbons from globe artichoke leaves

Preparation, characterization and Methylene Blue adsorption of phosphoric acid activated carbons from globe artichoke leaves

... 4 Activated carbons were prepared by the pyrolysis of artichoke leaves impregnated with phosphoric acid at 500 °C for different impregnation ratios: 100, 200, 300 ...

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Degradation of paracetamol by catalytic wet air oxidation and sequential adsorption - Catalytic wet air oxidation on activated carbons

Degradation of paracetamol by catalytic wet air oxidation and sequential adsorption - Catalytic wet air oxidation on activated carbons

... 4. Conclusions A sequential adsorption-batch CWAO process was investigated for the treatment of a paracetamol solution. Three activated carbons were compared both as adsorbents and catalysts of CWAO for ...

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Adsorption of Supranol yellow 4GL from aqueous solution onto activated carbons prepared from seawater algae

Adsorption of Supranol yellow 4GL from aqueous solution onto activated carbons prepared from seawater algae

... Merck activated carbon, respectively, a result which accords with the pHzpc values of these ...both activated carbons based on the seawater algae examined, equilibrium was attained within 60 ...

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Degradation of paracetamol by catalytic wet air oxidation and sequential adsorption - Catalytic wet air oxidation on activated carbons

Degradation of paracetamol by catalytic wet air oxidation and sequential adsorption - Catalytic wet air oxidation on activated carbons

... on activated carbon was investigated both as a water treatment technique using an autoclave reactor and as a regenerative treatment of the carbon after adsorption in a sequential fixed bed ...Three ...

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Adsorption of Supranol yellow 4GL from aqueous solution onto activated carbons prepared from seawater algae

Adsorption of Supranol yellow 4GL from aqueous solution onto activated carbons prepared from seawater algae

... Merck activated carbon, respectively, a result which accords with the pHzpc values of these ...both activated carbons based on the seawater algae examined, equilibrium was attained within 60 ...

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Application of the modified Dubinin-Astakhov equation for a better understanding of high-pressure hydrogen adsorption on activated carbons

Application of the modified Dubinin-Astakhov equation for a better understanding of high-pressure hydrogen adsorption on activated carbons

... on activated carbons (ACs) is quite promising [11] because no chemical bond between hydrogen and the carbon surface is involved, thus giving completely reversible hydrogen uptakes and releases [12,13] with ...

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Monolithic resorcinol–formaldehyde alcogels and their corresponding nitrogen-doped activated carbons

Monolithic resorcinol–formaldehyde alcogels and their corresponding nitrogen-doped activated carbons

... again. This is not an outlier, as the same recipe + catalyst range has been probed multiple times with the same outcome. During pyrolysis and activation, resins undergo mass loss as well as isotropic shrinkage. Because ...

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Comparative adsorption of levodopa from aqueous solution on different activated carbons

Comparative adsorption of levodopa from aqueous solution on different activated carbons

... C1 activated carbons at 25 ◦ C are plotted in ...of carbons and their textural properties; this has also been reported by Moreno-Castilla [17] , who has shown that the surface chem- istry of the ...

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Sustainable Conversion of Agriculture and Food Waste into Activated Carbons Devoted to Fluoride Removal from Drinking Water in Senegal

Sustainable Conversion of Agriculture and Food Waste into Activated Carbons Devoted to Fluoride Removal from Drinking Water in Senegal

... of activated carbons (AC) from cashew shells, and millet stalks and their efficiency in fluoride ...The activated carbons were produced by a combined pyrolysis and activation with water steam; ...

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Application of Ulva lactuca and Systoceira stricta algae-based activated carbons to hazardous cationic dyes removal from industrial effluents

Application of Ulva lactuca and Systoceira stricta algae-based activated carbons to hazardous cationic dyes removal from industrial effluents

... 6 activated at 600 °C for 3 h. Dyes adsorption parameters such as solution pH, contact time, carbon dosage, temperature and ionic strength were measured in batch experiments. Adsorption capacities of 400 and 526 ...

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Electrochemical Quartz Crystal Microbalance (EQCM) Study of Ion Dynamics in Nanoporous Carbons

Electrochemical Quartz Crystal Microbalance (EQCM) Study of Ion Dynamics in Nanoporous Carbons

... porous carbons with controlled 1 nm pore size seems to mainly involve cation exchange, di fferent from what was observed with microporous activated carbons in propylene carbonate-based organic ...

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A study on hydrogen storage through adsorption in nanostructured carbons

A study on hydrogen storage through adsorption in nanostructured carbons

... AX-21 activated carbons [84] The AX-21 type carbons are produced by the reaction of cokes with potassium hydroxides (KOH) and have a cage-like type of porosity in which pore filling occurs by the ...

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Understanding ageing mechanisms of porous carbons in non-aqueous electrolytes for supercapacitors applications

Understanding ageing mechanisms of porous carbons in non-aqueous electrolytes for supercapacitors applications

... Two activated carbons, A and B, were tested in this study [ 8 ...microporous carbons and effectively avoid the fundamental limitations of the BET ...porous carbons [ 11 ...

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Recent advances in understanding the capacitive storage in microporous carbons

Recent advances in understanding the capacitive storage in microporous carbons

... carbide-derived carbons with tailored subnanometer pore size, which is significantly higher than 6 µF/cm² or 100 F/g) for conventional activated ...the carbons with the mean pore size close to the ...

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Controllable adhesion using field-activated fluids

Controllable adhesion using field-activated fluids

... We anticipate that the topic of field-activated MR fluid adhesion will be a rich source of both scientific and en- gineering development in the future. Many unexplored parameters still exist for the problem of ...

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Fluoride removal with electro-activated alumina,

Fluoride removal with electro-activated alumina,

... A new activation technique using alumina was developed for the removal of fluoride from water. This technique is based on an electro-activation by means of an electrical field. The optimum activation parameters ...

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Fluoride removal with electro-activated alumina

Fluoride removal with electro-activated alumina

... The effect of various experimental parameters - ionic strength, pH hardness, and fluoride-alumina concentration ratio GGb- was determined for the adsorption capacities ofthe ele[r] ...

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High-Rate Capability of Supercapacitors Based on Tannin-Derived Ordered Mesoporous Carbons

High-Rate Capability of Supercapacitors Based on Tannin-Derived Ordered Mesoporous Carbons

... (44) Chen, Z.; Wen, J.; Yan, C.; Rice, L.; Sohn, H.; Shen, M.; Cai, M.; Dunn, B.; Lu, Y. High- Performance Supercapacitors Based on Hierarchically Porous Graphite Particles. Advanced Energy Materials 2011, 1 (4), ...

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