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Lou, Xiaojie
- Adsorption of Dye in Aqueous Solution by the Waste Polymer Activated Carbon
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Authors
Affiliations
1 College of Life Science, Shaoxing University, Shaoxing, 312000, CN
2 Department of Life Science, Shaoxing University, Yuanpei College, Shaoxing, 312000, CN
1 College of Life Science, Shaoxing University, Shaoxing, 312000, CN
2 Department of Life Science, Shaoxing University, Yuanpei College, Shaoxing, 312000, CN
Source
Nature Environment and Pollution Technology, Vol 15, No 4 (2016), Pagination: 1227-1230Abstract
The waste polymer activated carbon was prepared from tyre by NaOH activation, which was used for the adsorption of dye Direct Scarlet 4BS in aqueous solution. The influences of pH value, activated carbon dosage, adsorption time and reaction temperature on adsorption rate were discussed in details. It was shown that the activated carbon dosage, adsorption time and reaction temperature had an important effect on the removal of dye Direct Scarlet 4BS in aqueous solution. However, the removal of dye Direct Scarlet 4BS was little dependent on pH value in solution. At 0.6g of activated carbon, 60mg/L of initial dye concentration, 60min, 35°C and pH 4.0, the removal of dye Direct Scarlet 4BS reached 85.14%.Keywords
Waste Polymer, Activated Carbon, Direct Scarlet 4BS Dye, Adsorption.Full Text
References
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- Chan, O.S., Cheung, W.H. and McKay, G. 2012. Single and multicomponent acid dye adsorption equilibrium studies on tyre demineralised activated carbon. Chem. Eng. J., 191(15): 162-170.
- Duan, X.H., Srinivasakannan, C. and Liang, J.S. 2014. Process optimization of thermal regeneration of spent coal based activated carbon using steam and application to methylene blue dye adsorption. J. Taiwan Inst. Chem. Eng., 45(4): 1618-1627.
- Fernando, M.M., Carlos, P.B., Thais, H.M.F., Eder, C.L., Betina, R., Tatiana, C. and Solange, B.F. 2011. Adsorption of reactive red M-2BE dye from water solutions by multiwalled carbon nanotubes and activated carbon. J. Hazard. Mater., 192(3): 1122-1131.
- Kauspediene, D., Kazlauskiene, E., Gefeniene, A. and Binkiene, R. 2010. Comparison of the efficiency of activated carbon and neutral polymeric adsorbent in removal of chromium complex dye from aqueous solutions. J. Hazard. Mater., 179(1-3): 933-939.
- Li, Y.H., Du, Q.J., Liu, T.H., Peng, X.J., Wang, J.J., Sun, J.K., Wang, Y.H., Wu, S.L., Wang, Z.H., Xia, Y.Z. and Xia, L.H. 2013. Comparative study of methylene blue dye adsorption onto activated carbon, graphene oxide, and carbon nanotubes. Chem. Eng. Res. Design, 91(2): 361-368.
- Marielen, C.R., Matthew, A.A., Lizie, D.T.P., Eder, C.L., Renato, C., Liliana, A.F., Puchana-Rosero, M.J., Fernando, M.M., Flávio, A.P. and Tatiana, C. 2014. Comparison of a homemade cocoa shell activated carbon with commercial activated carbon for the removal of reactive violet 5 dye from aqueous solutions. Chem. Eng. J., 248(15): 315-326.
- Michael, J.G., Redding, A.M. and Fred, S.C. 2015. A rapid kinetic dye test to predict the adsorption of 2-methylisoborneol onto granular activated carbons and to identify the influence of pore volume distributions. Water Res., 68(1): 784-792.
- Noorimotlagh, Z., Soltani, R.D.C., Khataee, A.R., Shahriyar, S. and Nourmoradi, H. 2014. Adsorption of a textile dye in aqueous phase using mesoporous activated carbon prepared from Iranian milk vetch. J. Taiwan Inst. Chem. Eng., 45(4): 1783-1791.
- Zahra, E. and Azizian, S. 2014. Preparation of activated carbon from date sphate using microwave irradiation and investigation of its capability for removal ofdye pollutant from aqueous media. J. Anal. Appl. Pyrol., 108: 176-184.
- The Influence of the Coexisting Anions on the Adsorption of Perchlorate from Water by the Modified Orange Peels
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Authors
Affiliations
1 College of Life Science, Shaoxing University, Shaoxing, 312000, CN
2 Department of Pharmacology and Health, Shaoxing University, Yuanpei College, Shaoxing, 312000, CN
1 College of Life Science, Shaoxing University, Shaoxing, 312000, CN
2 Department of Pharmacology and Health, Shaoxing University, Yuanpei College, Shaoxing, 312000, CN
Source
Nature Environment and Pollution Technology, Vol 15, No 4 (2016), Pagination: 1359-1362Abstract
Activated carbons obtained from agricultural by-products have the some advantage like efficiency and low cost, if they are compared with non-renewable coal-based granular activated carbons. The abundance and availability of agricultural by-products make them good sources of raw materials for activated carbon production. The modified orange peels were prepared from orange peels by the chemical activation. The effect of pH value and coexisting anions (NO3-, SO42- and PO43-) were discussed in detail. Furthermore, adsorption isotherm for adsorption of ClO4- ions on the modified orange peels was studied. The experimental results showed that the values of pH and coexisting anions have an important influence on the adsorption of ClO4- ions by the modified orange peels. The Freundlich adsorption isotherm model was suitable for the ClO4- ions in solution. The adsorption process of ClO4- ions in solution by the modified orange peels is not uniform.Keywords
Adsorption, Coexisting Anions, Perchlorate, Modified Orange Peels.Full Text
References
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- Bharathi, K.S. and Ramesh, S.T. 2013. Removal of dyes using agricultural waste as low-cost adsorbents: a review. Appl. Water Sci., 3: 773-790.
- Fernandez, M.E., Ledesma, B., Romn, S., Bonelli, P.R. and Cukierman, A.L. 2015. Development and characterization of activated hydrochars from orange peels as potential adsorbents from emerging organic contaminants. Bioresour. Technol., 183: 221-228.
- Fernandez, M.E., Nunell, G.V., Bonelli, P.R. and Cukierman, A.L. 2014. Activated carbon developed from orange peels: batch and dynamic competitive adsorption of basic dyes. Ind. Crops Prod., 62: 437-445.
- Freundlich, H.M.F. 1906. Uber die adsorption in losungen (adsorption in solution). Z. Phys. Chem., 57: 384-470.
- Hashemian, S., Salari, K. and Yazdi, Z.A. 2014. Preparation of activated carbon from agricultural wastes (almond shell and orange peel) for adsorption of 2-pic from aqueous solution. J. Ind. Eng. Chem., 20: 1892-1900.
- Khalfaoui, A., Bendjamaa, I., Bensid, T., Meniai, A.H. and Derbal, K. 2014. Effect of calcination on orange peels characteristics: application of an industrial dye adsorption. Chem. Eng. Trans., 2: 361-366.
- Khatod, I. 2013. Removal of methylene blue dye from aqueous solutions by neem leaf and orange peel powder. Int. J. Chem. Technol. Res., 5: 572-577.
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- Luo, W.H., Sasaki, K. and Hirajima T. 2015. Surfactant-modified montmorillonite by benzylocatadecyl dimethyl ammonium chloride for removal of perchlorate. Colloids and Surfaces A: Physicochem. Eng. Aspects, 481: 616-625.
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- Sayed, S.A., Ahmed, L.B. and Khalil, T. 2012. Removal of Reactive Blue 19 dye from aqueous solution using natural and modified orange peel. Carbon Lett., 13: 212-220.
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- Song ,W., Gao, B.Y., Xu, X., Zhang, T.G., Liu, C., Tan, X., Sun, S.L. and Yue, Q.Y. 2015. Treatment of dissolved perchlorate by adsorption-microbial reduction. Chem. Eng. J., 279: 522-529.
- Yagub, M.T., Sen, T.K., Afroze, S. and Ang, H.M. 2014. Dye and its removal from aqueous solution by adsorption: a review. Adv. Colloid Interf. Sci., 209: 172-184.
- Adsorption of Bromate in Aqueous Solution by the Modified Activated Carbon
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Authors
Affiliations
1 College of Life Science, Shaoxing University, Shaoxing, 312000, CN
2 Department of Life Science, Shaoxing University Yuanpei College, Shaoxing, 312000, CN
1 College of Life Science, Shaoxing University, Shaoxing, 312000, CN
2 Department of Life Science, Shaoxing University Yuanpei College, Shaoxing, 312000, CN
Source
Nature Environment and Pollution Technology, Vol 15, No 3 (2016), Pagination: 981-986Abstract
The presence of bromate in drinking water has attracted much attention, because it is a carcinogen and mutagenic to humans. Activated carbon is an effective adsorbent material widely used in water treatment. In order to enhance the adsorption of bromate ion on activated carbon, the modified activated carbon was obtained from granular activated carbon by chemical activation using cationic surfactant as an activator. The adsorption characteristics of bromate ion on the modified activated carbon were investigated through adsorption experiments. The effects of temperature, pH in solution, contact time and initial bromate concentration on bromate adsorption by the modified activated carbon were investigated. The experimental data were analysed by the Langmuir and Freundlich models of adsorption. Kinetic adsorption data were analysed by the pseudo-first-order kinetic model and the pseudo-second-order model respectively. The thermodynamics parameters were also calculated.Keywords
Adsorption, Bromate, Activated Carbon.Full Text
References
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- Removal of High Concentration of Ammonia from Wastewater by the Ion Exchange Resin
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Authors
Affiliations
1 College of Life Science, Shaoxing University, Shaoxing, 312000, P.R., CN
2 Department of Pharmacology and Health, Shaoxing University Yuanpei College, Shaoxing, 312000, P.R., CN
1 College of Life Science, Shaoxing University, Shaoxing, 312000, P.R., CN
2 Department of Pharmacology and Health, Shaoxing University Yuanpei College, Shaoxing, 312000, P.R., CN
Source
Nature Environment and Pollution Technology, Vol 16, No 1 (2017), Pagination: 261-264Abstract
Nitrogen (N) is an essential element for living organisms in aquatic ecosystem. However, excess nitrate in this ecosystem could degrade water quality due to eutrophication. Ammonia is usually found in aqueous environments. It affects fish and other aquatic life and recreational use of water. In this study, the acidic ion exchange resins were chosen as adsorbent to adsorb the high concentration of ammonia from wastewater. The experimental results showed that reaction of temperature, the amount of the ion exchange resins and reaction time had an important influence on the removal rate of high concentration of ammonia from wastewater. The experimental data correlated well with the Langmuir adsorption isotherm. It was also suggested that the adsorption process was homogeneous adsorption. The ammonia from aqueous solution adsorption on the acidic ion exchange resins was a monolayer adsorption.
Keywords
Ammonia, Acidic Ion Exchange Resin, Adsorption Isotherm.Full Text
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