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  • Articles  (50)
  • Elsevier  (50)
  • American Geophysical Union
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  • Periodicals Archive Online (PAO)
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  • 2020-2022
  • 2015-2019  (50)
  • 1960-1964
  • 2022
  • 2016  (50)
  • 1961
  • Water Resources and Industry  (32)
  • 185556
  • Geography  (50)
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  • Articles  (50)
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  • Elsevier  (50)
  • American Geophysical Union
  • American Meteorological Society
  • Blackwell Publishing Ltd
  • Cell Press
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  • 2020-2022
  • 2015-2019  (50)
  • 1960-1964
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  • 1
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    Removal of chlorinated phenol from aqueous media by guava seed (Psidium Guajava) tailored activated carbon (2016)
    Elsevier
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    Publication Date: 2016-10-22
    Description: Publication date: Available online 20 October 2016 Source: Water Resources and Industry Author(s): S.M. Anisuzzaman, Collin G. Joseph, D. Krishnaiah, A. Bono, E. Suali, S. Abang, L.M. Fai In this study, the activated carbons (ACs) were prepared from guava seeds via two stages activation. The dried guava seeds were semi-carbonized at 300 o C for 1 h, and then the carbonized samples were impregnated with zinc chloride (ZnCl 2 ). The ZnCl 2 : sample impregnation ratios (w/w) were altered from 1:1 to 5:1. The ACs were characterized by the yield percentage, ash content, moisture content, pH value, adsorption quality of 2,4-dichlorophenol (2,4-DCP) and surface functional groups. The surface area of the best produced AC3 was found to be 919.40 m 2 g -1 . It was found that AC3 had highest 2,4-DCP adsorption capacity, which was 20.9 mg g -1 . The 2,4-DCP adsorption kinetic of prepared AC3 was pseudo-second order with correlation value of 0.995. In addition, the 2,4-DCP adsorption capacity of AC3 was fitted to the Langmuir model with correlation coefficient value of 0.977, indicating that chemisorption was a major contributor to the adsorption process.
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 2
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    Characterization of effluent from food processing industries and stillage treatment trial with Eichhornia crassipes (Mart.) and Panicum maximum (Jacq.) (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: December 2016 Source: Water Resources and Industry, Volume 16 Author(s): N.A. Noukeu, I. Gouado, R.J. Priso, D. Ndongo, V.D. Taffouo, S.D. Dibong, G.E. Ekodeck In this study, effluents from 11 food processing industries from various sectors were characterized through analysis of physical and chemical parameters. In general, effluents pHs are between 4.07 and 7.63. Lead (Pb 2+ ) and cadmium (Cd + ) concentrations range from 0.083 to 1.025 mg/l and 0.052–0.158 mg/l respectively. The biodegradability of the effluent is very low. The principal component analysis (PCA) grouped industries according to their organic matter levels; thus, stillage, livestock, molasses and sugar refinery effluents show some similarities, as well as confectionery, oil mill, dairy and brewery effluents. Forms of nitrogen measured show low levels of nitrites (NO 2 − ), high levels of nitrates (NO 3 − ), ammonium (NH 4 +) and Kjeldahl nitrogen (TKN). Among these effluents, a treatment trial with Eichhornia crassipes and Panicum maximum was applied to stillage effluent from Fermencam distillery. The results show that Panicum maximum and Eichhornia crassipes reduce pollutant loads of Fermencam's wastewater.
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 3
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    Factorial experimental design for the optimization of catalytic degradation of malachite green dye in aqueous solution by Fenton process (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: September 2016 Source: Water Resources and Industry, Volume 15 Author(s): A. Elhalil, H. Tounsadi, R. Elmoubarki, F.Z. Mahjoubi, M. Farnane, M. Sadiq, M. Abdennouri, S. Qourzal, N. Barka This work focuses on the optimization of the catalytic degradation of malachite green dye (MG) by Fenton process “Fe 2+ /H 2 O 2 ”. A 2 4 full factorial experimental design was used to evaluate the effects of four factors considered in the optimization of the oxidative process: concentration of MG (X 1 ), concentration of Fe 2+ (X 2 ), concentration of H 2 O 2 (X 3 ) and temperature (X 4 ). Individual and interaction effects of the factors that influenced the percentage of dye degradation were tested. The effect of interactions between the four parameters shows that there is a dependency between concentration of MG and concentration of Fe 2+ ; concentration of Fe 2+ and concentration of H 2 O 2 , expressed by the great values of the coefficient of interaction. The analysis of variance proved that, the concentration of MG, the concentration of Fe 2+ and the concentration of H 2 O 2 have an influence on the catalytic degradation while it is not the case for the temperature. In the optimization, the great dependence between observed and predicted degradation efficiency, the correlation coefficient for the model (R 2 =0.986) and the important value of F-ratio proved the validity of the model. The optimum degradation efficiency of malachite green was 93.83%, when the operational parameters were malachite green concentration of 10 mg/L, Fe 2+ concentration of 10 mM, H 2 O 2 concentration of 25.6 mM and temperature of 40 °C. Graphical abstract
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 4
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    Removal of methylene blue and mechanism on magnetic γ-Fe2O3/SiO2 nanocomposite from aqueous solution (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: September 2016 Source: Water Resources and Industry, Volume 15 Author(s): Dong Chen, Ziyang Zeng, Yubin Zeng, Fan Zhang, Mian Wang Magnetic γ-Fe 2 O 3 /SiO 2 (M-γFS) nanocomposite was prepared using γ-Fe 2 O 3 as the magnetic carriers. M-γFS was characterized by transmission electron microscope (TEM), X-ray diffraction (XRD), and Fourier Transform infrared spectroscopy (FTIR). The characterizations of M-γFS exhibit the irregular core-shell structure, and SiO 2 has been successfully coated on the surface of γ-Fe 2 O 3 . M-γFS has much higher adsorption capacity 116.09 mg/g calculated by coated SiO 2 on M-γFS than γ-Fe 2 O 3 and SiO 2 , and the alkaline conditions are beneficial to the adsorption of MB. Coexisting cations, ionic strength and humic acid can influence the adsorption capacity. Meanwhile, adsorption kinetics data for M-γFS show good fit to the pseudo-second-order kinetics model, and the Langmuir equation is more appropriate to describe the adsorption behavior of MB on M-γFS. Moreover, after recycling four times, M-γFS washed by ethanol can still keep high adsorption capacity for MB adsorption. Graphical abstract
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 5
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    Titania coated silica nanocomposite prepared via encapsulation method for the degradation of Safranin-O dye from aqueous solution: Optimization using statistical design (2016)
    Elsevier
    Details
    Publication Date: 2016-10-12
    Description: Publication date: Available online 20 August 2016 Source: Water Resources and Industry Author(s): Basanti Ekka, Manoj Kumar Sahu, Raj Kishore Patel, Priyabrat Dash Titania coated silica nanoparticles, which were synthesized via nanoparticle encapsulation route, are employed to degrade safranin-O dye from aqueous solution under UV light irradiation and were characterized by FT-IR, XRD, FESEM, N 2 adsorption-desorption method and Zeta potential measurement. The results showed that the nanoparticles have a core-shell structure composed of about 100 nm of diameter of silica with several TiO 2 fine particles in shell. After the degradation, this process is optimized through the response surface methodology (RSM). In this response study, photodegradation efficiency was evaluated by three main independent parameters such as catalyst dose, initial dye concentration and reaction time. Parameter sensitivity studies of the degradation efficiency of titania coated silica nanoparticles have shown 93.29% degraded under the optimal conditions of catalyst dose of 89.80 mg/g, initial dye concentration of 17.61 mg/L and reaction time of 12 min. We cross-checked the predicted values of degradation efficiency with the experimental values and were found to be in good agreement ( R 2 =0.9983 and adj- R 2 =0.9967). Graphical abstract
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 6
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    Comparative investigation on the removal of cyanide from aqueous solution using two different bioadsorbents (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: September 2016 Source: Water Resources and Industry, Volume 15 Author(s): Naveen Dwivedi, Chandrajit Balomajumder, Prasenjit Mondal In the present study, comparative investigation for the bioremoval of cyanide from synthetic aqueous solution by Prunus amygdalus (Almond) shell (PAS) and Tectona grandis (Sagwan) leaves (TGL) powder have been performed as a function of solution pH, bioadsorbent dose, contact time and initial cyanide concentration. The cyanide uptake by PAS and TGL powder has been quantitatively estimated using sorption isotherms. The equilibrium data are best fitted to Freundlich and Langmuir isotherm model for PAS and TGL powder respectively. The monolayer capacity of PAS and TGL powder for cyanide adsorption as calculated by Langmuir isotherm are 32.05 mg/g and 18.45 mg/g respectively. The kinetic data are found to follow closely the pseudo-second order kinetic model for both the bioadsorbents. The present study shows that such low cost materials could be used as efficient bioadsorbents for the removal of cyanide from aqueous solutions.
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 7
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    Kinetics, isotherms and thermodynamic modeling of liquid phase adsorption of Rhodamine B dye onto Raphia hookerie fruit epicarp (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: September 2016 Source: Water Resources and Industry, Volume 15 Author(s): A.A. Inyinbor, F.A. Adekola, G.A. Olatunji Highly efficient low cost adsorbent was prepared from Raphia hookerie fruit epicarp. Characteristics of the prepared low cost adsorbent (RH) was established using scanning electron microscope (SEM), Fourier Transform Infra Red (FTIR) and Brunauer–Emmett–Teller (BET) surface area. RH was applied for Rhodamine B (RhB) uptake from aqueous solution. Equilibrium adsorption data were fitted using four isotherms and kinetic data tested with five kinetic models. The BET surface area obtained was 0.00351 m 2 /g; SEM reveals large pores that could enhance the uptake of large molecules. Freundlich isotherm best described the uptake of RhB onto RH, the maximum monolayer adsorption capacity (q max ) was 666.67 mg/g. Pseudo second order model best described the kinetics of adsorption process. Energy of adsorption (E) obtained from D-R isotherm suggests physical adsorption. Desorption efficiency follows the order H 2 O>HCl>CH 3 COOH. Cost analysis shows that RH is about 1143 times more economical when compared with commercial activated carbon.
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 8
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    Special issue contents page (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: June 2016 Source: Water Resources and Industry, Volume 14
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 9
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    Mild desalination demo pilot: New normalization approach to effectively evaluate electrodialysis reversal technology (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: June 2016 Source: Water Resources and Industry, Volume 14 Author(s): Roel Bisselink, Wim de Schepper, Jorg Trampé, Wilbert van den Broek, Ingrid Pinel, Anastassiya Krutko, Niels Groot Key performance indicators for characterization of nanofiltration performance are well developed, similar key performance indicators for electrodialysis reversal are however underdeveloped. Under the E4Water project Dow Benelux BV and Evides Industriewater BV operate a pilot facility to compare both technologies for their application to mildly desalinate a variety of brackish water streams. Normalized pressure drop, normalized current efficiency and normalized membrane resistance proved to be a useful tool to interpret process performance and to initiate a cleaning procedure if required. The availability of these normalized key performance indicators enables optimization and process monitoring and control of electrodialysis reversal independent of the continuously changing conditions of the feed water.
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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  • 10
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    Water and detergent recovery from rinsing water in an industrial environment (2016)
    Elsevier
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    Publication Date: 2016-10-12
    Description: Publication date: June 2016 Source: Water Resources and Industry, Volume 14 Author(s): Eddy Linclau, Johan Ceulemans, Kristien De Sitter, Peter Cauwenberg Wash water streams coming from rinsing of equipment in a detergent production site is in many cases considered as waste. On site treatment in waste water plants is possible but typically requires advanced oxidation process (AOP) technology which uses chemicals and creates a waste sludge. A new treatment approach, based on nanofiltration, has been demonstrated at industrial scale in a detergent production site in China. Wash water could be split into a concentrate stream and water fraction. The concentrate stream contains most of the valuable surfactants and has a value to recycle. The water fraction can easily be polished by MBR to feed cooling towers. As such, this production site does not discharge any process wash water and recovers all resources out of the rinsing water: both chemicals (as surfactants) as the water.
    Electronic ISSN: 2212-3717
    Topics: Architecture, Civil Engineering, Surveying , Geography , Process Engineering, Biotechnology, Nutrition Technology
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