Application of CCD in RSM to obtain optimize treatment of POME using Fenton oxidation process

Abstract Post treatment palm oil mill effluent (POME) is typically non-biodegradable and contains high organic and inorganic matter. This study aims to optimize the operating parameters of the Fenton process in removing recalcitrant organics from POME by using a central composite design (CCD), which is a response surface methodology (RSM) module in the Design-Expert ® software. Important parameters such as reaction time, H 2 O 2 and Fe 2+ ion concentrations, and pH were empirically determined and successfully optimized via RSM. Significant statistical quadratic polynomial for color and COD removal efficiency were obtained via regression analyses R 2 , (0.81 and 0.70) for color and COD, respectively. The highest results were 97.36% removal for color and 91.11% removal for COD at pH 3.5 and 30 min of reaction time. Numerical optimization based on desirable functions was employed; 92.1% of color and 85.1% of COD were removed efficiently at pH (3.0–5.0) with a final pH of 2.85 (after reaction settlement), 4.57 g/L H 2 O 2 and 1.88 g/L Fe 2+ ions concentration, respectively, and 30 min of reaction time at 120 rpm agitation rate. The result showed that the Fenton process, at an accurate level, may be used as an effective technology for the post treatment of POME before final discharge into a nearby water body.

[1]  Yi Jing Chan,et al.  Optimization on thermophilic aerobic treatment of anaerobically digested palm oil mill effluent (POME) , 2011 .

[2]  Z. Murthy,et al.  Kinetic studies on agrochemicals wastewater treatment by aerobic activated sludge process at high MLSS and high speed agitation , 2012 .

[3]  A. Kraft,et al.  Anodic oxidation with doped diamond electrodes: a new advanced oxidation process. , 2003, Journal of hazardous materials.

[4]  C. Huang,et al.  Optimizing the treatment of landfill leachate by conventional Fenton and photo-Fenton processes. , 2009, The Science of the total environment.

[5]  M. Isa,et al.  Statistical optimization of process parameters for landfill leachate treatment using electro-Fenton technique. , 2010, Journal of hazardous materials.

[6]  Zurina Zainal Abidin,et al.  Removal of Fe(III), Mn(II) and Zn(II) from palm oil mill effluent (POME) by natural zeolite , 2012 .

[7]  Yi Jing Chan,et al.  An integrated anaerobic–aerobic bioreactor (IAAB) for the treatment of palm oil mill effluent (POME): Start-up and steady state performance , 2012 .

[8]  A. E. Greenberg,et al.  Standard methods for the examination of water and wastewater : supplement to the sixteenth edition , 1988 .

[9]  Bensalah Nasr,et al.  Fenton treatment of olive oil mill wastewater--applicability of the method and parameters effects on the degradation process. , 2004, Journal of environmental sciences.

[10]  K. Hwang,et al.  Effects of reaction conditions on the oxidation efficiency in the Fenton process , 2000 .

[11]  G. Najafpour,et al.  Effect of organic loading on performance of rotating biological contactors using Palm Oil Mill effluents , 2005 .

[12]  J. Baeyens,et al.  A review of classic Fenton's peroxidation as an advanced oxidation technique. , 2003, Journal of hazardous materials.

[13]  M. Taha,et al.  COD removal from anaerobically treated palm oil mill effluent (AT-POME) via aerated heterogeneous Fenton process: Optimization study , 2014 .

[14]  T. Olmez-Hanci,et al.  Effect of Photochemical Advanced Oxidation Processes on the Bioamenability and Acute Toxicity of an Anionic Textile Surfactant and a Textile Dye Precursor , 2011 .

[15]  S. Zinjarde,et al.  Palm oil mill effluent treatment by a tropical marine yeast. , 2002, Bioresource technology.

[16]  George Tchobanoglous,et al.  Wastewater Engineering Treatment Disposal Reuse , 1972 .

[17]  Abu Hassan,et al.  PRE-TREATMENT OF PALM OIL MILL EFFLUENT (POME): A COMPARISON STUDY USING CHITOSAN AND ALUM , 2007 .

[18]  U. Lassi,et al.  Advanced Oxidation Processes in Food Industry Wastewater Treatment – A Review , 2012 .

[19]  W. Choi,et al.  Anaerobic treatment of palm oil mill effluent using combined high-rate anaerobic reactors. , 2013, Bioresource technology.

[20]  S. Bhatia,et al.  Membrane treatment for palm oil mill effluent: Effect of transmembrane pressure and crossflow velocity , 2005 .

[21]  Y. Wong,et al.  Biological kinetics evaluation of anaerobic stabilization pond treatment of palm oil mill effluent. , 2009, Bioresource technology.

[22]  S. Abdullah,et al.  Blocking mechanism of PES membrane during ultrafiltration of POME , 2015 .

[23]  Chin Hong Neoh,et al.  Optimization of decolorization of palm oil mill effluent (POME) by growing cultures of Aspergillus fumigatus using response surface methodology , 2012, Environmental Science and Pollution Research.

[24]  A L Ahmad,et al.  A comparative study on the membrane based palm oil mill effluent (POME) treatment plant. , 2009, Journal of hazardous materials.

[25]  A L Ahmad,et al.  Optimization of coagulation-flocculation process for palm oil mill effluent using response surface methodology. , 2005, Environmental science & technology.

[26]  Klaus Hinkelmann,et al.  Design and Analysis of Experiment , 1975 .

[27]  Zaini Ujang,et al.  TERTIARY TREATMENT OF PALM OIL MILL EFFLUENT USING FENTON OXIDATION , 2008 .

[28]  J. Pignatello.  Dark and photoassisted Fe3+ -catalyzed degradation of chlorophenoxy herbicides by hydrogen peroxide , 1992 .

[29]  Mohd Raihan Taha,et al.  Characterization of nano zero-valent iron (nZVI) and its application in sono-Fenton process to remove COD in palm oil mill effluent , 2014 .

[30]  Yi Jing Chan,et al.  Biological treatment of anaerobically digested palm oil mill effluent (POME) using a Lab-Scale Sequencing Batch Reactor (SBR). , 2010, Journal of environmental management.

[31]  I. Arslan-Alaton.  Degradation of a commercial textile biocide with advanced oxidation processes and ozone. , 2007, Journal of environmental management.

[32]  Y. Shirai,et al.  Baseline study of methane emission from anaerobic ponds of palm oil mill effluent treatment. , 2006, The Science of the total environment.

[33]  Nurina Anuar,et al.  Pollution control technologies for the treatment of palm oil mill effluent (POME) through end-of-pipe processes. , 2010, Journal of environmental management.

[34]  V. C. Venkatesh,et al.  Application of response surface methodology in describing the performance of coated carbide tools when turning AISI 1045 steel , 2004 .

[35]  Gordon McKay,et al.  Combined magnetic field and adsorption process for treatment of biologically treated palm oil mill effluent (POME) , 2014 .

[36]  Subhash Bhatia,et al.  Population Balance Model (PBM) for flocculation process: Simulation and experimental studies of palm oil mill effluent (POME) pretreatment , 2008 .

[37]  Robert L. Mason,et al.  Statistical Design and Analysis of Experiments , 2003 .

[38]  M. Badawy,et al.  Fenton's peroxidation and coagulation processes for the treatment of combined industrial and domestic wastewater. , 2006, Journal of hazardous materials.