Preparation of Hierarchically Interconnected Porous Banana Peel Activated Carbon for Methylene Blue Adsorption
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摘要
Hierarchically interconnected porous activated carbon have high specific surface areas, large numbers of dye adsorption sites, and interconnected pores for dye molecule diffusion and transportation. We prepared hierarchically interconnected porous banana peel activated carbons(BPACs) via a green method involving hydrothermal pretreatment and KOH activation, and systematically tested its methylene blue(MB) adsorption capacity. SEM showed that the BPACs had an interconnected porous structure and high-porosity surface. The Brunauer-Emmett-Teller surface area was 601.21 m~2/g, the adsorption average pore diameter was 2.11 nm, and the total pore volume was 0.32 cm~3/g. The MB adsorption capacity increased with increasing temperature, initial MB concentration, and pH value; it decreased with increasing adsorbent dosage. The adsorption isotherms and kinetic results for MB adsorption on BPACs were best described by the Langmuir adsorption and pseudo-second-order kinetic models, respectively. BPACs have a well-developed hierarchically interconnected porous structure, which increase the MB adsorption capacity and removal efficiency. Systematic MB adsorption tests show that BPAC is a highly efficient and easily available adsorbent.
Hierarchically interconnected porous activated carbon have high specific surface areas, large numbers of dye adsorption sites, and interconnected pores for dye molecule diffusion and transportation. We prepared hierarchically interconnected porous banana peel activated carbons(BPACs) via a green method involving hydrothermal pretreatment and KOH activation, and systematically tested its methylene blue(MB) adsorption capacity. SEM showed that the BPACs had an interconnected porous structure and high-porosity surface. The Brunauer-Emmett-Teller surface area was 601.21 m~2/g, the adsorption average pore diameter was 2.11 nm, and the total pore volume was 0.32 cm~3/g. The MB adsorption capacity increased with increasing temperature, initial MB concentration, and pH value; it decreased with increasing adsorbent dosage. The adsorption isotherms and kinetic results for MB adsorption on BPACs were best described by the Langmuir adsorption and pseudo-second-order kinetic models, respectively. BPACs have a well-developed hierarchically interconnected porous structure, which increase the MB adsorption capacity and removal efficiency. Systematic MB adsorption tests show that BPAC is a highly efficient and easily available adsorbent.
Hierarchically interconnected porous activated carbon have high specific surface areas, large numbers of dye adsorption sites, and interconnected pores for dye molecule diffusion and transportation. We prepared hierarchically interconnected porous banana peel activated carbons(BPACs) via a green method involving hydrothermal pretreatment and KOH activation, and systematically tested its methylene blue(MB) adsorption capacity. SEM showed that the BPACs had an interconnected porous structure and high-porosity surface. The Brunauer-Emmett-Teller surface area was 601.21 m~2/g, the adsorption average pore diameter was 2.11 nm, and the total pore volume was 0.32 cm~3/g. The MB adsorption capacity increased with increasing temperature, initial MB concentration, and pH value; it decreased with increasing adsorbent dosage. The adsorption isotherms and kinetic results for MB adsorption on BPACs were best described by the Langmuir adsorption and pseudo-second-order kinetic models, respectively. BPACs have a well-developed hierarchically interconnected porous structure, which increase the MB adsorption capacity and removal efficiency. Systematic MB adsorption tests show that BPAC is a highly efficient and easily available adsorbent.
引文
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[24]Shi X,Zhu Z.Synthesis and Characterization of W-doped TiO2,Supported by Hybrid Carbon Nanomaterials of Multi-walled Carbon Nanotubes and C60,Fullerene by a Hydrothermal Method[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2013,28(2):207-214
[25]Njoku VO,Foo KY,Asif M,et al.Preparation of Activated Carbons from Rambutan(Nephelium lappaceum)Peel by Microwave-induced KOH Activation for Acid Yellow 17 Dye Adsorption[J].Chem.Eng.J.,2014,250:198-204
[26]Wang BM,Zhang Y,Ma H.Porosity and Pore Size Distribution Measurement of Cement/Carbon Nanofiber Composites by~1H Low Field Nuclear Magnetic Resonance[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2014,29(1):82-88
[27]Xiao X,Bian J,Li M,et al.Enhanced Enzymatic Hydrolysis of Bamboo(Dendrocalamus giganteus Munro)Culm by Hydrothermal Pretreatment[J].Bioresource Technol.,2014,159:41-47
[28]Chen Z,Zhang J,Fu J,et al.Adsorption of Methylene Blue onto Poly(-cyclotriphosphazene-co-4,4′-sulfonyldiphenol)Nanotubes:Kinetics,isotherm and Thermodynamics Analysis[J].J.Hazard.Mater.,2014,273:263-271
[29]Aluigi A,Rombaldoni F,Tonetti C,et al.Study of Methylene Blue Adsorption on Keratin Nanofibrous Membranes[J].J.Hazard.Mater.,2014,268:156-165
[30]Su L,Aga D,Chandran K,et al.Factors Impacting Biotransformation Kinetics of Trace Organic Compounds in lab-scale Activated Sludge Systems Performing Nitrification and Denitrification[J].J.Hazard.Mater.s,2015,282:116-124
[31]Zhao Y,Xue Z,Wang X,et al.Adsorption of Congo Red onto Lignocellulose/Montmorillonite Nanocomposite[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2012,27(5):931-938
[32]Li Jaijia,Wang Qizhao,Bai Y,et al.Preparation of a Novel Acid Doped Polyaniline Adsorbent for Removal of Anionic Pollutant from Wastewater[J].Journal of Wuhan University of Technology-Mater.Sci.,Ed.2015,30(5):1 085-1 091
[2]Kyzas G,Fu J.Matis K.Green Adsorbents for Wastewaters:A Critical Review[J].Materials,2014,7(1):333-364
[3]Yagub MT,Sen TK,Afroze S,et al.Dye and Its Removal from Aqueous Solution by Adsorption:A Review[J].Adv.Colloid Interfac.,2014,209:172-184
[4]Nguyen TA,Juang R.Treatment of Waters and Wastewaters Containing Sulfur Dyes:A Review[J].Chem.Eng.J.,2013,219:109
[5]Hadi P,Xu M,Ning C,et al.A Critical Review on Preparation,Characterization and Utilization of Sludge-derived Activated Carbons for Wastewater Treatment[J].Chem.Eng.J.,2015,260:895-906
[6]Unur E.Functional Nanoporous Carbons from Hydrothermally Treated Biomass for Environmental Purification[J].Micropor.Mesopor.Mat.,2013,168(168):92-101
[7]Bhatnagar A,Sillanp??M,Witek-Krowiak A.Agricultural Waste Peels as Versatile Biomass for Water Purification-A review[J].Chem.Eng.J.,2015,270:244-271
[8]Zubrik A,Matik M,Hredzák S,et al.Preparation of Chemically Activated Carbon from Waste Biomass by Single-stage and Two-stage Pyrolysis[J].J.Clean.Prod.,2017,143:643-653
[9]Umar IA,Abdulraheem G,Bala S,et al.Kinetics,Equilibrium and Thermodynamics Studies of C.I.Reactive Blue 19 Dye Adsorption on Coconut Shell Based Activated Carbon[J].Int.Biodeter.Biodegr.,2015,102:265
[10]Mohammed J,Nasri NS,Zaini MAA,et al.Adsorption of Benzene and Toluene onto KOH Activated Coconut Shell Based Carbon Treated with NH3[J].Int.Biodeter.Biodegr.,2015,102:245-255
[11]Deng S,Nie Y,Du Z,et al.Enhanced Adsorption of Perfluorooctane Sulfonate and Perfluorooctanoate by Bamboo-derived Granular Activated Carbon[J].J.Hazard.Mater.,2015,282:150-157
[12]Spagnoli AA,Giannakoudakis DA,Bashkova S.Adsorption of Methylene Blue on Cashew Nut Shell based Carbons Activated with Zinc Chloride:The Role of Surface and Structural Parameters[J].J.Mol.Liq.,2017,229:465
[13]Zhou L,Yu Q,Cui Y,et al.Adsorption Properties of Activated Carbon from Reed with a High Adsorption Capacity[J].Ecol.Eng.,2017,102:443-450
[14]Teo EYL,Muniandy L,Ng EP,et al.High Surface Area Activated Carbon from Rice Husk as A High Performance Supercapacitor Electrode[J].Electrochim.Acta.,2016,192:110-119
[15]Ma X,Ouyang F.Adsorption Properties of Biomass-based Activated Carbon Prepared with Spent Coffee Grounds and Pomelo Skin by Phosphoric Acid Activation[J].Appl.Surf.Sci.,2013,268:566-570
[16]Nowicki P,Kazmierczak J,Pietrzak R.Comparison of Physicochemical and Sorption Properties of Activated Carbons Prepared by Physical and Chemical Activation of Cherry Stones[J].Powder Technol.,2015,269:312-319
[17]Gokce Y,Aktas Z.Nitric Acid Modification of Activated Carbon Produced from Waste Tea and Adsorption of Methylene Blue and Phenol[J].Appl.Surf.Sci.,2014,313:352-359
[18]Hao W,Bj?rkman E,Lilliestr?le M,et al.Activated Carbons for Water Treatment Prepared by Phosphoric Acid Activation of Hydrothermally Treated Beer Waste[J].Ind.Eng.Chem.Res.,2014,53:15 389-15 397
[19]Jain A,Balasubramanian R,Srinivasan MP.Production of High Surface Area Mesoporous Activated Carbons from Waste Biomass Using Hydrogen Peroxide-mediated Hydrothermal Treatment for Adsorption Applications[J].Chem.Eng.J.,2015,273:622-629
[20]Jain A,Jayaraman S,Balasubramanian R,et al.Hydrothermal Pre-treatment for Mesoporous Carbon Synthesis:Enhancement of Chemical Activation[J].J.Mater.Chem.A,2014,2:520-528
[21]Jain A,Balasubramanian R,Srinivasan MP.Tuning Hydrochar Properties for Enhanced Mesopore Development in Activated Carbon by Hydrothermal Carbonization[J].Micropor.Mesopor.Mat.,2015,203:178-185
[22]Shi XL.Photocatalytic Degradation of Rhodamine B Dye with MWCNT/TiO2/C(60)Composites by a Hydrothermal Method[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2011,26(1):65-69
[23]Shi XL.Photocatalytic Degradation of Rhodamine B Dye with High Purity Anatase Nano-TiO2 Synthesized by a Hydrothermal Method[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2011,26(4):600-605
[24]Shi X,Zhu Z.Synthesis and Characterization of W-doped TiO2,Supported by Hybrid Carbon Nanomaterials of Multi-walled Carbon Nanotubes and C60,Fullerene by a Hydrothermal Method[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2013,28(2):207-214
[25]Njoku VO,Foo KY,Asif M,et al.Preparation of Activated Carbons from Rambutan(Nephelium lappaceum)Peel by Microwave-induced KOH Activation for Acid Yellow 17 Dye Adsorption[J].Chem.Eng.J.,2014,250:198-204
[26]Wang BM,Zhang Y,Ma H.Porosity and Pore Size Distribution Measurement of Cement/Carbon Nanofiber Composites by~1H Low Field Nuclear Magnetic Resonance[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2014,29(1):82-88
[27]Xiao X,Bian J,Li M,et al.Enhanced Enzymatic Hydrolysis of Bamboo(Dendrocalamus giganteus Munro)Culm by Hydrothermal Pretreatment[J].Bioresource Technol.,2014,159:41-47
[28]Chen Z,Zhang J,Fu J,et al.Adsorption of Methylene Blue onto Poly(-cyclotriphosphazene-co-4,4′-sulfonyldiphenol)Nanotubes:Kinetics,isotherm and Thermodynamics Analysis[J].J.Hazard.Mater.,2014,273:263-271
[29]Aluigi A,Rombaldoni F,Tonetti C,et al.Study of Methylene Blue Adsorption on Keratin Nanofibrous Membranes[J].J.Hazard.Mater.,2014,268:156-165
[30]Su L,Aga D,Chandran K,et al.Factors Impacting Biotransformation Kinetics of Trace Organic Compounds in lab-scale Activated Sludge Systems Performing Nitrification and Denitrification[J].J.Hazard.Mater.s,2015,282:116-124
[31]Zhao Y,Xue Z,Wang X,et al.Adsorption of Congo Red onto Lignocellulose/Montmorillonite Nanocomposite[J].Journal of Wuhan University of Technology-Mater.Sci.Ed.,2012,27(5):931-938
[32]Li Jaijia,Wang Qizhao,Bai Y,et al.Preparation of a Novel Acid Doped Polyaniline Adsorbent for Removal of Anionic Pollutant from Wastewater[J].Journal of Wuhan University of Technology-Mater.Sci.,Ed.2015,30(5):1 085-1 091