1. H. Tee, P. Lim, C. Seng, M.A.M. Nawi, R. Adnan, Enhancement of azo dye Acid Orange 7 removal in newly developed horizontal subsurface-flow constructed wetland, J. Environ. Manage., 147 (2015) 349–355.
  2. A.B.D. Santos, M.P.D. Madrid, F.A.M.D. Bok, A.J.M. Stams, J.B.V. Lier, F.J. Cervantes, The contribution of fermentative bacteria and methanogenic archaea to azo dye reduction by a thermophilic anaerobic consortium, Enzyme Microb. Tech., 39 (2006) 38–46.
  3. L. Wang, J. Li, Adsorption of C.I. Reactive Red 228 dye from aqueous solution by modified cellulose from flax shive: Kinetics, equilibrium, and thermodynamics, Ind Crop Prod., 42 (2013) 153–158.
  4. K. Ravikumar, S. Krishnan, S. Ramalingam, K. Balu, Optimization of process variables by the application of response surface methodology for dye removal using a novel adsorbent, Dyes Pigments, 72 (2007) 66–74.
  5. J.R. Guimarães, M.G. Maniero, D.A.R. Nogueira, A comparative study on the degradation of RB-19 dye in an aqueous medium by advanced oxidation processes, J. Environ. Manage., 110 (2012) 33–39.
  6. K. Solanki, S. Subramanian, S. Basu, Microbial fuel cells for azo dye treatment with electricity generation: A review, Biores. Technol., 131 (2013) 564–571.
  7. J. Sun, Y. Hu, Z. Bi, Y. Cao, Simultaneous decolorization of azo dye and bioelectricity generation using a micro filtration membrane air-cathode single-chamber microbial fuel cell, Biores. Technol., 100 (2009) 3185–3192.
  8. Y. Mu, K. Rabaey, R.A. Rozendal, Z. Yuan, J. Keller, Decolorization of azo dyes in bioelectron chemical systems., Environ. Sci. Technol., 43 (2009) 5137–5143.
  9. Z. Li, X. Zhang, J. Lin, S. Han, L. Lei, Azo dye treatment with simultaneous electricity production in an anaerobic-aerobic sequential reactor and microbial fuel cell coupled system, Biores. Technol., 101 (2010) 4440–4445.
  10. H. Ding, Y. Li, A. Lu, S. Jin, C. Quan, C. Wang, Photo catalytically improved azo dye reduction in a microbial fuel cell with rutile-cathode, Biores. Technol., 101 (2010) 3500–3505.
  11. B. Hou, J. Sun, Y. Hu, Effect of enrichment procedures on performance and microbial diversity of microbial fuel cell for Congo red decolorization and electricity generation, Appl. Microbiol. Biot., 90 (2011) 1563–1572.
  12. W. Thung, S. Ong, L. Ho, Y. Wong, F. Ridwan, Y. Oon, Y. Oon, H.K. Lehl, A highly efficient single chambered up-flow membrane- less microbial fuel cell for treatment of azo dye Acid Orange 7-containing wastewater, Biores. Technol., 197 (2015) 284–288.
  13. L.C. Davies, I.S. Pedro, J.M. Novais, S. Martins-Dias, Aerobic degradation of acid orange 7 in a vertical-flow constructed wetland, Water Res., 40 (2006) 2055–2063.
  14. S. Ong, K. Uchiyama, D. Inadama, Y. Ishida, K. Yamagiwa, Treatment of azo dye Acid Orange 7 containing wastewater using up-flow constructed wetland with and without supplementary aeration, Biores. Technol., 101 (2010) 9049–9057.
  15. A.K. Yadav, S. Jena, B.C. Acharya, B.K. Mishra, Removal of azo dye in innovative constructed wetlands: Influence of iron scrap and sulfate reducing bacterial enrichment, Ecol. Eng., 49 (2012) 53–58.
  16. A. Hussein, M. Scholz, Dye wastewater treatment by vertical-flow constructed wetlands, Ecol. Eng., 101 (2017) 28–38.
  17. A.K. Yadav, P. Dash, A. Mohanty, R. Abbassi, B.K. Mishra, Performance assessment of innovative constructed wetland-microbial fuel cell for electricity production and dye removal, Ecol. Eng., 47 (2012) 126–131.
  18. C. Corbella, J. García, J. Puigagut, Microbial fuel cells for clogging assessment in constructed wetlands, Sci. Total Environ., 569 (2016) 1060–1063.
  19. C.T.M.J. Frijters, R.H. Vos, G. Scheffer, R. Mulder, Decolorizing and detoxifying textile wastewater, containing both soluble and insoluble dyes, in a full scale combined anaerobic/aerobic system, Water Res., 40 (2006) 1249–1257.
  20. S.A. Patil, V.P. Surakasi, S. Koul, S. Ijmulwar, A. Vivek, Y.S. Shouche, B.P. Kapadnis, Electricity generation using chocolate industry wastewater and its treatment in activated sludge based microbial fuel cell and analysis of developed microbial community in the anode chamber, Biores. Technol., 100 (2009) 5132–5139.
  21. S.R. Higgins, D. Foerster, A. Cheung, C. Lau, O. Bretschger, S.D. Minteer, K. Nealson, P. Atanassov, M.J. Cooney, Fabrication of macro porous chitosan scaffolds doped with carbon nano tubes and their characterization in microbial fuel cell operation, Enzyme Microb. Tech., 48 (2011) 458–465.
  22. M.S. Khehra, H.S. Saini, D.K. Sharma, B.S. Chadha, S.S. Chimni, Biodegradation of azo dye C.I. Acid Red 88 by an anoxic–aerobic sequential bioreactor, Dyes Pigments, 70 (2006) 1–7.
  23. D. Cui, Y.Q. Guo, H.Y. Cheng, B. Liang, F.Y. Kong, H.S. Lee, A.J. Wang, Azo dye removal in a membrane-free up-flow biocatalyzed electrolysis reactor coupled with an aerobic bio-contact oxidation reactor, J. Hazard. Mater., 239 (2012) 257–264.
  24. F. Kong, A. Wang, H.Y. Ren, Improved azo dye decolorization in an advanced integrated system of bioelectro chemical module with surrounding electrode deployment and anaerobic sludge reactor, Biores. Technol., 175 (2014) 624–628.
  25. S.Y. Kim, J.Y. An, B.W. Kim, The effects of reductant and carbon source on the microbial decolorization of azo dyes in an anaerobic sludge process, Dyes Pigments, 76 (2008) 256–263.
  26. Y.F. Lin, S.R. Jing, T.W. Wang, D.Y. Lee, Effects of macro phytes and external carbon sources on nitrate removal from groundwater in constructed wetlands, Environ. Pollut., 119 (2002) 413–420.
  27. G. Fu, L. Huangshen, Z. Guo, Q. Zhou, Z. Wu, Effect of plantbased carbon sources on denitrifying microorganisms in a vertical flow constructed wetland, Biores. Technol., 224 (2016) 214–221.
  28. Y. Ding, X. Song, Y. Wang, D. Yan, Effect of supplying a carbon extracting solution on denitrification in horizontal subsurface flow constructed wetlands, Korean J. Chem. Eng., 30 (2013) 379–384.
  29. M. Zhang, L. Zhao, C. Mei, L. Yi, G. Hua, Effects of plant material as carbon sources on TN removal efficiency and N2O flux in vertical-flow-constructed wetlands, Water Air Soil Poll., 225 (2014) 2181–2190.
  30. D.L. Klass, Biomass for renewable energy, fuels, and chemicals, Academic Press, San Diego, 2000.
  31. Z. Fang, H. Song, N. Cang, X. Li, Performance of microbial fuel cell coupled constructed wetland system for decolorization of azo dye and bioelectricity generation, Biores. Technol., 144 (2013) 165–171.
  32. J.F. Payne, A. Mathieu, W. Melvin, L.L. Fancey, Bacterial decolorization and degradation of azo dyes, Int. Biodeter. Biodegr., 59 (2007) 73–84.
  33. Z. Fang, H. Song, R. Yu, X. Li, A microbial fuel cell-coupled constructed wetland promotes degradation of azo dye decolorization products, Ecol. Eng., 94 (2016) 455–463.
  34. V.D.Z. Fp, G. Lettinga, J.A. Field, Azo dye decolourisation by anaerobic granular sludge, Chemosphere, 44 (2001) 1169–1176.
  35. A. Stolz, Basic and applied aspects in the microbial degradation of azo dyes, Appl. Microbiol. Biot., 56 (2001) 69–80.
  36. Z. Fang, H. Song, N. Cang, X. Li, Electricity production from Azo dye wastewater using a microbial fuel cell coupled constructed wetland operating under different operating conditions, Biosens Bioelectron., 68 (2015) 135–141.
  37. B.Y. Chen, K.W. Lin, Y.M. Wang, C.Y. Yen, Revealing interactive toxicity of aromatic amines to azo dye decolorizer Aeromonas hydrophila, J. Hazard. Mater., 166 (2009) 187–194.
  38. P.L. Skipper, M.Y. Kim, H.L.P. Sun, G.N. Wogan, S.R. Tannenbaum, Monocyclic aromatic amines as potential human carcinogens: old is new again, Carcino Genesis., 31 (2010) 50–58.
  39. S. Jian, Y.Y. Hu, B. Zhe, Y.Q. Cao, Simultaneous decolorization of azo dye and bioelectricity generation using a micro filtration membrane air-cathode single-chamber microbial fuel cell, Biores. Technol., 100 (2009) 3185–3192.
  40. J. Sun, Y.Y. Hu, B. Hou, Electrochemical characteriztion of the bioanode during simultaneous azo dye decolorization and bioelectricity generation in an air-cathode single chambered microbial fuel cell, Electrochim. Acta., 56 (2011) 6874–6879.
  41. B.Y. Chen, M.M. Zhang, C.T. Chang, Y. Ding, K.L. Lin, C.S. Chiou, C.C. Hsueh, H. Xu, Assessment upon azo dye decolorization and bioelectricity generation by Proteus hauseri., Biores. Technol., 101 (2010) 4737–4741.