2010
DOI: 10.1002/clen.201000027
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Removal of Brilliant Green Dye from Aqueous Solutions Using Home Made Activated Carbons

Abstract: Activated carbon materials were prepared from the Brazilian pine-fruit shell (Araucaria angustifolia) by chemically activated carbon (CAC) and chemically and physically activated carbon (CPAC), and tested as adsorbents for the removal of brilliant green (BG) dye from aqueous effluents. The mixed activation process leads to increases in the specific surface area, average porous volume, and average porous diameter of the adsorbent CPAC when compared to CAC. The effects of shaking time, adsorbent dosage and pH on… Show more

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Cited by 84 publications
(57 citation statements)
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“…The shift of this band to higher wavenumbers after the adsorption of the Mn(II) ions indicated the involvement of these groups in the adsorption process [63,64]. The absorption bands in the middle frequency region at 1629 and 1624 cm − 1 , respectively, showed difference of 5 cm −1 of the wavenumbers, and they were attributed to the bending vibrations of O-H bonds of silanol (Si-O-H) groups.…”
Section: Ftir Analysis Of the Adsorption Mechanismmentioning
confidence: 92%
“…The shift of this band to higher wavenumbers after the adsorption of the Mn(II) ions indicated the involvement of these groups in the adsorption process [63,64]. The absorption bands in the middle frequency region at 1629 and 1624 cm − 1 , respectively, showed difference of 5 cm −1 of the wavenumbers, and they were attributed to the bending vibrations of O-H bonds of silanol (Si-O-H) groups.…”
Section: Ftir Analysis Of the Adsorption Mechanismmentioning
confidence: 92%
“…Of the numerous techniques mentioned, adsorption in particular is an effective process for the removal of dyes from waste effluents. Currently, the most common procedure involves the use of activated carbon [10]. Activated carbon is regarded as an effective but expensive adsorbent due to the high cost of manufacturing and regeneration.…”
Section: Introductionmentioning
confidence: 99%
“…Many environmental aquatic pollutants such as toxic heavy metals in addition to organic species were successfully removed using adsorption technique [8][9][10][11][12]. Adsorption is not regarded as just an extraction technique; it can also be employed in the recovery and enrichment of the adsorbate, particularly when we deal with valuable species like precious metals [13,14].…”
Section: Q3mentioning
confidence: 99%