References

  1. J. Zhang, K.-H. Lee, L. Cui, T.-s. Jeong, Degradation of methylene blue in aqueous solution by ozone-based processes, J. Ind. Eng. Chem., 15 (2009) 185–189.
  2. S. Lambert, N. Graham, C. Sollars, G. Fowler, Evaluation of inorganic adsorbents for the removal of problematic textile dyes and pesticides, Water Sci. Technol., 36 (1997) 173–180.
  3. U.P. Shinde, B. Yeon, B. Jeong, Recent progress of in situ formed gels for biomedical applications, Progr. Polym. Sci., 38 (2013) 672–701.
  4. S.C. Tang, P. Wang, K. Yin, I.M. Lo, Synthesis and application of magnetic hydrogel for Cr (VI) removal from contaminated water, Environ. Eng. Sci., 27 (2010) 947–954.
  5. G. Jing, L. Wang, H. Yu, W.A. Amer, L. Zhang, Recent progress on study of hybrid hydrogels for water treatment, Colloids Surfaces A: Physicochem. Eng. Asp., 416 (2013) 86–94.
  6. M.A. Mekewi, A.S. Darwish, Elaboration of metal (M: Co, Cu, Ni, Fe) embedded poly (acrylic acid-co-acrylamide) hydrogel nanocomposites: An attempt to synthesize uncommon architectured “Auto-active” nanocatalysts for treatment of dyeing wastewater, Mater. Res. Bull., 70 (2015) 607–620.
  7. N. Sahiner, O. Ozay, N. Aktas, D.A. Blake, V.T. John, Arsenic (V) removal with modifiable bulk and nano p (4-vinylpyridine)- based hydrogels: the effect of hydrogel sizes and quarternization agents, Desalination, 279 (2011) 344–352.
  8. S. Shirsath, A. Hage, M. Zhou, S. Sonawane, M. Ashokkumar, Ultrasound assisted preparation of nanoclay bentonite-FeCo nanocomposite hybrid hydrogel: a potential responsive sorbent for removal of organic pollutant from water, Desalination, 281 (2011) 429–437.
  9. N. Sahiner, O. Ozay, E. Inger, N. Aktas, Superabsorbent hydrogels for cobalt nanoparticle synthesis and hydrogen production from hydrolysis of sodium boron hydride, Appl. Catal. B: Environ., 102 (2011) 201–206.
  10. S. Butun, N. Sahiner, A versatile hydrogel template for metal nano particle preparation and their use in catalysis, Polymer, 52 (2011) 4834–4840.
  11. N. Sahiner, S. Butun, O. Ozay, B. Dibek, Utilization of smart hydrogel–metal composites as catalysis media, J. Colloid Interface Sci., 373 (2012) 122–128.
  12. H. Won, H. Nersisyan, C. Won, Cobalt powders and porous cobalt particles prepared by co-reduction of hydrazine and sodium phosphate and its formation mechanism, Mater. Chem. Phys., 133 (2012) 225–231.
  13. F. Seven, N. Sahiner, Poly (acrylamide-co-vinyl sulfonic acid) p (AAm-co-VSA) hydrogel templates for Co and Ni metal nanoparticle preparation and their use in hydrogen production, Int. J. Hydrogen Energy, 38 (2013) 777–784.
  14. S. Sagbas, N. Sahiner, A novel p (AAm-co-VPA) hydrogel for the Co and Ni nanoparticle preparation and their use in hydrogel generation from NaBH4, Fuel Process. Technol., 104 (2012) 31–36.
  15. M. Rafatullah, O. Sulaiman, R. Hashim, A. Ahmad, Adsorption of methylene blue on low-cost adsorbents: a review, J. Hazard. Mater., 177 (2010) 70–80.
  16. F. Harber, J. Weiss, The catalytic decomposition of hydrogen peroxide by iron salts, Proc. R. Soc. Lond. A, 147 (1934) 332–351.
  17. D.L. Sedlak, A.W. Andren, Oxidation of chlorobenzene with Fenton’s reagent, Environ. Sci. Technol., 25 (1991) 777–782.
  18. J.J. Pignatello, Dark and photoassisted iron (3+)-catalyzed degradation of chlorophenoxy herbicides by hydrogen peroxide, Environ. Sci. Technol., 26 (1992) 944–951.
  19. S. Parra, I. Guasaquillo, O. Enea, E. Mielczarski, J. Mielczarki, P. Albers, L. Kiwi-Minsker, J. Kiwi, Abatement of an azo dye on structured C-Nafion/Fe-ion surfaces by photo-Fenton reactions leading to carboxylate intermediates with a remarkable biodegradability increase of the treated solution, J. Phys. Chem. B, 107 (2003) 7026–7035.
  20. H. Lim, J. Lee, S. Jin, J. Kim, J. Yoon, T. Hyeon, Highly active heterogeneous Fenton catalyst using iron oxide nanoparticles immobilized in alumina coated mesoporous silica, Chem. Commun., (2006) 463–465.
  21. J. He, W. Ma, J. He, J. Zhao, C.Y. Jimmy, Photooxidation of azo dye in aqueous dispersions of H2O2/α-FeOOH, Appl. Catal. B: Environ., 39 (2002) 211–220.
  22. R.C. Costa, M. Lelis, L. Oliveira, J. Fabris, J.D. Ardisson, R. Rios, C. Silva, R. Lago, Novel active heterogeneous Fenton system based on Fe3−xMxO4 (Fe, Co, Mn, Ni): the role of M2+ species on the reactivity towards H2O2 reactions, J. Hazard. Mater., 129 (2006) 171–178.
  23. F. Magalhães, M. Pereira, S. Botrel, J. Fabris, W. Macedo, R. Mendonca, R. Lago, L. Oliveira, Cr-containing magnetites Fe3−xCrxO4: the role of Cr3+ and Fe2+ on the stability and reactivity towards H2O2 reactions, Appl. Catal. A: General, 332 (2007) 115–123.
  24. L.C. Oliveira, T.C. Ramalho, E.F. Souza, M. Gonçalves, D.Q. Oliveira, M.C. Pereira, J.D. Fabris, Catalytic properties of goethite prepared in the presence of Nb on oxidation reactions in water: computational and experimental studies, Appl. Catal. B: Environ., 83 (2008) 169–176.
  25. A.C. Silva, D.Q. Oliveira, L.C. Oliveira, A.S. Anastacio, T.C. Ramalho, J.H. Lopes, H.W. Carvalho, C.E.R. Torres, Nb-containing hematites Fe2−xNbxO3: the role of Nb5+ on the reactivity in presence of the H2O2 or ultraviolet light, Appl. Catal. A: General, 357 (2009) 79–84.
  26. S. Yang, H. He, D. Wu, D. Chen, X. Liang, Z. Qin, M. Fan, J. Zhu, P. Yuan, Decolorization of methylene blue by heterogeneous Fenton reaction using Fe3−xTixO4 (0 ≤ x ≤ 0.78) at neutral pH values, Appl. Catal. B: Environ., 89 (2009) 527–535.
  27. M. Kasiri, H. Aleboyeh, A. Aleboyeh, Degradation of Acid Blue 74 using Fe-ZSM5 zeolite as a heterogeneous photo-Fenton catalyst, Appl. Catal. B: Environ., 84 (2008) 9–15.
  28. B. Iurascu, I. Siminiceanu, D. Vione, M. Vicente, A. Gil, Phenol degradation in water through a heterogeneous photo-Fenton process catalyzed by Fe-treated laponite, Water Res., 43 (2009) 1313–1322.
  29. J.H. Ramirez, F.J. Maldonado-Hódar, A.F. Pérez-Cadenas, C. Moreno-Castilla, C.A. Costa, L.M. Madeira, Azo-dye Orange II degradation by heterogeneous Fenton-like reaction using carbon-Fe catalysts, Appl. Catal. B: Environ., 75 (2007) 312–323.
  30. F. Duarte, F. Maldonado-Hódar, A. Pérez-Cadenas, L.M. Madeira, Fenton-like degradation of azo-dye Orange II catalyzed by transition metals on carbon aerogels, Appl. Catal. B: Environ., 85 (2009) 139–147.
  31. K. Vimala, K.S. Sivudu, Y.M. Mohan, B. Sreedhar, K.M. Raju, Controlled silver nanoparticles synthesis in semi-hydrogel networks of poly (acrylamide) and carbohydrates: a rational methodology for antibacterial application, Carbohyd. Polym., 75 (2009) 463–471.
  32. T.A. Jelić, J. Bronić, M. Hadžija, B. Subotić, I. Marić, Influence of the freeze-drying of hydrogel on the critical processes occurring during crystallization of zeolite A–A new evidence of the gel “memory” effect, Micropor. Mesopor. Mater., 105 (2007) 65–74.
  33. W. Subramonian, T.Y. Wu, Effect of enhancers and inhibitors on photocatalytic sunlight treatment of methylene blue, Water Air Soil Pollut., 225 (2014) 1922.
  34. P. Malik, S.J.S. Saha, Oxidation of direct dyes with hydrogen peroxide using ferrous ion as catalyst, Separ. Sci. Technol., 31 (2003) 241–250.
  35. T. Shahwan, S.A. Sirriah, M. Nairat, E. Boyacı, A.E. Eroğlu, T.B. Scott, K.R. Hallam, Green synthesis of iron nanoparticles and their application as a Fenton-like catalyst for the degradation of aqueous cationic and anionic dyes, Chem. Eng. J., 172 (2011) 258–266.
  36. S.G. Huling, S. Hwang, Iron amendment and Fenton oxidation of MTBE-spent granular activated carbon, Water Res., 44 (2010) 2663–2671.
  37. S.-S. Lin, M.D. Gurol, Catalytic decomposition of hydrogen peroxide on iron oxide: kinetics, mechanism, and implications, Environ. Sci. Technol., 32 (1998) 1417–1423.
  38. E. Garrido-Ramírez, B. Theng, M. Mora, Clays and oxide minerals as catalysts and nanocatalysts in Fenton-like reactions — a review, Appl. Clay Sci., 47 (2010) 182–192.
  39. Z. Han, Y. Dong, S.J.J.o.h.m. Dong, Copper–iron bimetal modified PAN fiber complexes as novel heterogeneous Fenton catalysts for degradation of organic dye under visible light irradiation, J. Hazard. Mater., 189 (2011) 241–248.