Biomass derived porous carbon for CO2 capture

Activated carbons were prepared from Fox nutshell by chemical activation with H 3 PO 4 in N 2 atmosphere and their characteristics were studied. The effects of activation temperature and impregnation ratio were examined. N 2 adsorption isotherms characterized the surface area, total pore volume, micropore volume and pore size distribution of activated carbons. Activated carbon was produced at 700 °C with a 1.5 impregnation ratio and one hour of activation time has found 2636 m 2 /g and 1.53 cm 3 /g of highest BET surface area and total pore volume, respectively. The result of Fourier-infrared spectroscopy analysis of the prepared activated carbon confirmed that the carbon has abundant functional groups on the surface. Field emission scanning electron micrographs of the prepared activated carbon showed that a porous structure formed during activation.

WITHDRAWN: Preparation and characterization of high surface area activated carbon from Fox nut (Euryale ferox) shell by chemical activation with H3PO4

The synthesis and characterization of high purity mixed microporous/mesoporous activated carbon from rice husk using chemical activation with NaOH and KOH

In this study, magnetic characteristic was added to activated carbon (AC) obtained by ZnCl2 activation of acorn shell. The produced magnetic AC (Fe-AC) was used effectively for the removal of methylene blue (MB) from aqueous solution. The effects of different batch parameters such as adsorbent dosage (0.05–0.2 g/100 mL), initial pH (3–9), temperature (298–318 K), initial dyestuff concentration (50–250 mg/L) and contact time (5–60 min) on the adsorption process were examined. The structural and chemical characterization of the synthesized AC and Fe-AC adsorbents were carried out by using various analytical techniques such as XRD, SEM/EDS, FT-IR and BET analysis techniques. The MB concentration in the solution was determined by UV–VIS spectrophotometer. From the Langmuir isotherm model, the maximum adsorption capacity was found as 330.0 and 357.1 mg/g for AC and Fe-AC adsorbents at 298 K, respectively. The investigations on the effect of the temperature and calculated thermodynamic parameters exposed the endothermic nature of the adsorption process under the studied temperature range. The adsorption/desorption cycling test indicated that the prepared Fe-AC adsorbent had good reusability performance especially up to fourth cycle. Additionally, by considering all results it was concluded that the produced AC and Fe-AC adsorbents as novel adsorbents offer a great promise for the cleaning of MB dyestuff from aqueous solutions because of the advantage of their producibility from a cheap source, high adsorption capacity and fast uptake feasibility.

Effective removal of methylene blue from aqueous solutions using magnetic loaded activated carbon as novel adsorbent

Recent advances and challenges in biomass-derived porous carbon nanomaterials for supercapacitors

Characterization of mesoporous carbon prepared from date stems by H3PO4 chemical activation

Lead (II) Adsorption Onto Activated Carbon Prepared From Date Stems By Zinc Chloride Activation—Isotherm, Kinetic And Thermodynamic Studies

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Characterization of mesoporous carbon prepared from date stems by H3PO4 chemical activation

Lead (II) Adsorption Onto Activated Carbon Prepared From Date Stems By Zinc Chloride Activation—Isotherm, Kinetic And Thermodynamic Studies