Removal of Direct Blue-86 dye from aqueous solution using alginate encapsulated activated carbon (PnsAC-alginate) prepared from waste peanut shell

被引:62
作者
Garg, Deepak [1 ,2 ]
Majumder, C. B. [1 ]
Kumar, Shashi [1 ]
Sarkar, Biswajit [2 ]
机构
[1] Indian Inst Technol Roorkee, Dept Chem Engn, Roorkee 247667, Uttarakhand, India
[2] Guru Gobind Singh Indraprastha Univ, Univ Sch Chem Technol, New Delhi 110078, India
来源
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING | 2019年 / 7卷 / 05期
关键词
Peanut shell; Activated carbon; Direct Blue-86; Adsorption; Response surface methodology; Removal efficiency; METHYLENE-BLUE; CRYSTAL VIOLET; ADSORPTION EQUILIBRIUM; MALACHITE GREEN; KINETICS; BIOSORPTION; IONS; ISOTHERM; SURFACE; ADSORBENT;
D O I
10.1016/j.jece.2019.103365
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The alginate encapsulated activated carbon (PnsAC-alginate), prepared from waste peanut shell was used as an adsorbent for the removal of Direct Blue-86 (DB-86) from aqueous solutions. The effects of temperature, extraction time, adsorbent dose, dye concentration and solution pH on the adsorption of DB-86 onto PnsAC-alginate were studied. Central composite design coupled with response surface methodology (RSM) was used to optimize the adsorption feed conditions in order to achieve maximum dye removal efficiency. The statistical analysis revealed that for maximum dye removal efficiency, the optimal conditions were adsorbent dose of 24.65 g L-1, DB-86 dye concentration of 125.5 mg L-1 and pH of 3.1. Under the optimized conditions, experimental dye removal efficiency (98.4 +/- 0.1%) agreed closely with the predicted results, indicating the suitability of RSM in optimizing the feed conditions. SEM-EDX, TEM, XRD, BET, and FTIR analyses showed the surface morphology of the adsorbents and confirmed the adsorption of DB-86 onto PnsAC-alginate. The experimental results revealed about 7% enhancement of dye removal efficiency compared to that with unmodified PnsAC adsorbent. The adsorption kinetics of DB-86 was well described by Pseudo second order kinetic model with intra-particle and film diffusion mechanisms. Langmuir isotherm model provided the best fit to the adsorption equilibrium data, obtaining maximum dye adsorption capacity of 21.6 +/- 0.9 mg g(-1). Estimation of thermodynamic parameters revealed that adsorption process was feasible with spontaneous and endothermic in nature. The present study demonstrated that use of PnsAC-alginate adsorbent might be cost effective and suitable alternative for removal of DB-86 dye from aqueous solutions.
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页数:14
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共 56 条
[1]   Optimization and characterization of Direct Blue 71 removal using nanocomposite of Chitosan-MWCNTs: Central composite design modeling [J].
Abbasi, Mahmoud ;
Habibi, Mohammad Mandi .
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS, 2016, 62 :112-121
[2]   Mechanical characteristics of groundnut shell particle reinforced polylactide nano fibre [J].
Adeosun, Samson ;
Taiwo, Omotayo ;
Akpan, Emmanuel ;
Gbenebor, Oluwashina ;
Gbagba, Sadiq ;
Olaleye, Samuel .
MATERIA-RIO DE JANEIRO, 2016, 21 (02) :482-491
[3]   Agricultural peels for dye adsorption: A review of recent literature [J].
Anastopoulos, Ioannis ;
Kyzas, George Z. .
JOURNAL OF MOLECULAR LIQUIDS, 2014, 200 :381-389
[4]   Moringa oleifera biomass residue for the removal of pharmaceuticals from water [J].
Araujo, Lennon A. ;
Bezerra, Charleston O. ;
Cusioli, Luis F. ;
Silva, Marcela F. ;
Nishi, Leticia ;
Gomes, Raquel G. ;
Bergamasco, Rosangela .
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, 2018, 6 (06) :7192-7199
[5]  
Aravindhan R, 2006, J AM LEATHER CHEM AS, V101, P223
[6]   Adsorption of Direct Red 80 dye from aqueous solution onto almond shells: Effect of pH, initial concentration and shell type [J].
Ardejani, F. Doulati ;
Badii, Kh. ;
Limaee, N. Yousefi ;
Shafaei, S. Z. ;
Mirhabibi, A. R. .
JOURNAL OF HAZARDOUS MATERIALS, 2008, 151 (2-3) :730-737
[7]   Entrapment of Lentinus sajor-caju into Ca-alginate gel beads for removal of Cd(II) ions from aqueous solution:: preparation and biosorption kinetics analysis [J].
Bayramoglu, G ;
Denizli, A ;
Bektas, S ;
Arica, MY .
MICROCHEMICAL JOURNAL, 2002, 72 (01) :63-76
[8]   Calcium alginate-bentonite-activated carbon composite beads as highly effective adsorbent for methylene blue [J].
Benhouria, Assia ;
Islam, Md. Azharul ;
Zaghouane-Boudiaf, H. ;
Boutahala, M. ;
Hameed, B. H. .
CHEMICAL ENGINEERING JOURNAL, 2015, 270 :621-630
[9]   Adsorption of methylene blue, crystal violet and congo red from binary and ternary systems with natural clay: Kinetic, isotherm, and thermodynamic [J].
Bentahar, Safae ;
Dbik, Abdellah ;
El Khomri, Mohammed ;
El Messaoudi, Noureddine ;
Lacherai, Abdellah .
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, 2017, 5 (06) :5921-5932
[10]   Ca-alginate-entrapped nanoscale iron: arsenic treatability and mechanism studies [J].
Bezbaruah, Achintya N. ;
Kalita, Harjyoti ;
Almeelbi, Talal ;
Capecchi, Christopher L. ;
Jacob, Donna L. ;
Ugrinov, Angel G. ;
Payne, Scott A. .
JOURNAL OF NANOPARTICLE RESEARCH, 2013, 16 (01)