NDLI: Hydrothermally Treated Banana Empty Fruit Bunch Fiber Activated Carbon for Pb(II) and Zn(II) Removal

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Hydrothermally Treated Banana Empty Fruit Bunch Fiber Activated Carbon for Pb(II) and Zn(II) Removal

Content Provider	Semantic Scholar
Author	Adebisi, Ganiyu Abimbola Chowdhury, Zaira Zaman Hamid, Sharifah Bee Abd Ali, Eaqub
Copyright Year	2016
Abstract	Activated carbon was produced by chemical activation of hydrothermally carbonized (HTC) banana empty fruit bunch (BEFB), using phosphoric acid (H3PO4) as the activating agent. The activation process was optimized using a Box-Behnken factorial design (BBD), with an outcome of 17 different experiments under the predefined conditions. Three different parameters (activation temperature (x1), activation time (x2), and the concentration of activating acid (x3)) were analyzed with respect to their influence on maximum adsorption percentage for divalent cations, Pb(II) (Y1) and Zn(II) (Y2), and carbon yield (Y3). All process parameters had strong positive effects on adsorption capacity up to a certain limit. The specific surface area of the hydrochar (HTC) was enhanced substantially after the activation process. Scanning electron microscopy (SEM) revealed that the morphology of the BEFB-based char changed noticeably after the acid impregnation and activation process. The Langmuir maximum monolayer adsorption capacity for Pb (II) and Zn (II) cations was 74.62 mg/g and 77.51 mg/g, respectively. Equilibrium isotherm data were in agreement with the Langmuir model. Thermodynamic characterization revealed that the equilibrium system was endothermic and spontaneous.
Starting Page	9686
Ending Page	9709
Page Count	24
File Format	PDF HTM / HTML
DOI	10.15376/biores.11.4.9686-9709
Volume Number	11
Alternate Webpage(s)	https://bioresources.cnr.ncsu.edu/wp-content/uploads/2016/10/BioRes_11_4_9686_Adebisi_CAA_Activated_Carbons_Remov_Pb2_Zn2_Phosphoric_Ac_Hydrotherm_EFB_Design_8477.pdf
Alternate Webpage(s)	https://doi.org/10.15376/biores.11.4.9686-9709
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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