In the present study, a thorough investigation has been done on the removal efficiency of both As(III) and As (V) from synthetic wastewater by phycoremediation of Botryococcus braunii algal biomass. Artificial neural networks (ANNs) are practised for predicting % phycoremediation efficiency of both As(III) and As(V) ions. The influence of several parameters for example initial pH, inoculum size, contact time and initial arsenic concentration (either As(III) or As (V)) was examined systematically. The maximum phycoremediation of As(III) and As(V) was found to be 85.22% and 88.15% at pH 9.0, equilibrium time of 144 h by using algal inoculum size of 10% (v/v) and initial arsenic concentration of 50 mg/L. The data acquired from laboratory scale experimental set up was utilized for training a three-layer feed-forward back propagation (BP) with Levenberg-Marquardt (LM) training algorithm having 4:5:1 architecture. A comparison between the experimental data and model outputs provided a high correlation coefficient (R-all_ANN(2) equal to 0.9998) and exhibited that the model was capable for predicting the phycoremediation of both As(III) and As(V) from wastewater. The network topology was optimized by changing number of neurons in hidden layers. ANNs are efficient to model and simulate highly non-liner multivariable relationships. Absolute error and Standard deviation (SD) with respect to experimental output were calculated for ANN model outputs. The comparison of phycoremediation efficiencies of both As(III) and As(V) between experimental results and ANN model outputs exhibited that ANN model can determine the behaviour of As(III) and As(V) elimination process under various circumstances. (C) 2015 Elsevier B.V. All rights reserved.
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Tangahu, Bieby Voijant
Abdullah, Siti Rozaimah Sheikh
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Chem Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Abdullah, Siti Rozaimah Sheikh
Basri, Hassan
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Basri, Hassan
Idris, Mushrifah
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Univ Kebangsaan Malaysia, Fac Sci & Technol, Tas Chini Res Ctr, Bangi 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Idris, Mushrifah
Anuar, Nurina
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Chem Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Anuar, Nurina
Mukhlisin, Muhammad
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Tangahu, Bieby Voijant
Abdullah, Siti Rozaimah Sheikh
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Chem Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Abdullah, Siti Rozaimah Sheikh
Basri, Hassan
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Basri, Hassan
Idris, Mushrifah
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Univ Kebangsaan Malaysia, Fac Sci & Technol, Tas Chini Res Ctr, Bangi 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Idris, Mushrifah
Anuar, Nurina
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Chem Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia
Anuar, Nurina
Mukhlisin, Muhammad
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Univ Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, MalaysiaUniv Kebangsaan Malaysia, Fac Engn & Built Environm, Dept Civil & Struct Engn, Bangin 43600, Malaysia