Fluoride adsorption onto granular ferric hydroxide: Effects of ionic strength, pH, surface loading, and major co-existing anions

Kumar, 2008, Fluorides in dental public health programs, Dent. Clin. North Am., 52, 387, 10.1016/j.cden.2007.11.003 Ayoob, 2006, Fluoride in drinking water: a review on the status and stress effects, Environ. Sci. Technol., 36, 433, 10.1080/10643380600678112 Sehn, 2008, Fluoride removal with extra low energy reverse osmosis membranes: three years of large scale field experience in Finland, Desalination, 223, 73, 10.1016/j.desal.2007.02.077 US EPA, National Primary Drinking Water Standards, EPA 816-F-03-016, 2003. National Research Council, 2006 WHO (World Health Organization), 2004 Daifullah, 2007, Adsorption of fluoride in aqueous solutions using KMnO4-modified activated carbon derived from steam pyrolysis of rice straw, J. Hazard. Mater., 147, 633, 10.1016/j.jhazmat.2007.01.062 Shihabudheen, 2006, Manganese-oxide-coated alumina: a promising sorbent for defluoridation of water, Water Res., 40, 3497, 10.1016/j.watres.2006.08.007 Aldaco, 2007, Calcium fluoride recovery from fluoride wastewater in a fluidized bed reactor, Water Res., 41, 810, 10.1016/j.watres.2006.11.040 Akbar, 2008, Removal of fluoride ions from aqueous solution at low pH using schwertmannite, J. Hazard. Mater., 152, 571, 10.1016/j.jhazmat.2007.07.020 Meenakshi, 2007, Identification of selective ion-exchange resin for fluoride sorption, J. Colloid Interface Sci., 308, 438, 10.1016/j.jcis.2006.12.032 Tor, 2007, Removal of fluoride from water using anion-exchange membrane under Donnan dialysis condition, J. Hazard. Mater., 141, 814, 10.1016/j.jhazmat.2006.07.043 Lahnid, 2008, Economic evaluation of fluoride removal by electrodialysis, Desalination, 230, 213, 10.1016/j.desal.2007.11.027 Liu, 2007, An improved process to prepare high separation performance PA/PVDF hollow fiber composite nanofiltration membranes, Sep. Purif. Technol., 58, 53, 10.1016/j.seppur.2007.07.009 Chauhan, 2007, Investigations on activated alumina based domestic defluoridation units, J. Hazard. Mater., 139, 103, 10.1016/j.jhazmat.2006.06.014 Ayoob, 2008, Insights into isotherm making in the sorptive removal of fluoride from drinking water, J. Hazard. Mater., 152, 976, 10.1016/j.jhazmat.2007.07.072 Zhu, 2006, Interaction of fluoride with hydroxyaluminum–montmorillonite complexes and implications for fluoride-contaminated acidic soils, Appl. Geochem., 21, 675, 10.1016/j.apgeochem.2005.12.012 Laura, 2003, Fluoride sorption and associated aluminum release in variable charge soils, J. Colloid Interface Sci., 267, 302, 10.1016/S0021-9797(03)00609-X Bengtsson, 2007, Dissolution, adsorption and phase transformation in the fluorapatite–goethite system, Appl. Geochem., 22, 2016, 10.1016/j.apgeochem.2007.05.001 US EPA, Water Treatment Technology Feasibility Support Document for Chemical Contaminants; In Support of EPA Six-Year Review of National Primary Drinking Water Regulations. EPA 815-R-03-004, 2003 Hiemstra, 2000, Fluoride adsorption on goethite in relation to different types of surface sites, J. Colloid Interface Sci., 225, 94, 10.1006/jcis.1999.6697 Biswas, 2007, Adsorption of fluoride from aqueous solution by a synthetic iron(III)–aluminum(III) mixed oxide, Ind. Eng. Chem. Res., 46, 5346, 10.1021/ie061401b Streat, 2008, Hydrous ferric oxide as an adsorbent in water treatment: Part 3: Batch and mini-column adsorption of arsenic, phosphorus, fluorine and cadmium ions, Process Saf. Environ. Prot., 86, 21, 10.1016/j.psep.2007.10.009 Banerjee, 2008, Kinetic and thermodynamic aspects of adsorption of arsenic onto granular ferric hydroxide (GFH), Water Res., 42, 3371, 10.1016/j.watres.2008.04.019 Choong, 2007, Arsenic toxicity, health hazards and removal techniques from water: an overview, Desalination, 217, 139, 10.1016/j.desal.2007.01.015 Naeem, 2007, Vanadium removal by metal (hydr)oxide adsorbents, Water Res., 41, 1596, 10.1016/j.watres.2007.01.002 Kumar, 2009, Defluoridation from aqueous solutions by granular ferric hydroxide (GFH), Water Res., 43, 490, 10.1016/j.watres.2008.10.031 Guan, 2008, Removal of arsenic from water using granular ferric hydroxide: macroscopic and microscopic studies, J. Hazard. Mater., 156, 178, 10.1016/j.jhazmat.2007.12.012 Mjengera, 2003, Appropriate defluorination technology for use in fluorotic areas in Tanzania, Phys. Chem. Earth A/B/C, 28, 1097, 10.1016/j.pce.2003.08.030 Barr, 1994, The use of adventitious carbon as a binding energy standard, J. Vac. Sci. Technol., A, 13, 1239, 10.1116/1.579868 Shirley, 1972, High-resolution X-ray photoemission spectrum of the valence bands of gold, Phys. Rev. B, 5, 4704, 10.1103/PhysRevB.5.4709 APHA, 1985 Stumm, 1996 Morgan, 1973, Inner-orbital photoelectron spectroscopy of the alkali metal halides, perchlorates, phosphates, and pyrophosphates, J. Am. Chem. Soc., 95, 751, 10.1021/ja00784a018 Haber, 1976, X-ray photoelectron spectra of oxygen in oxides of cobalt, nickel, iron and zinc, J. Electron Spectrosc. Relat. Phenom., 9, 459, 10.1016/0368-2048(76)80064-3 McIntyre, 1975, X-ray photoelectron studies on some oxides and hydroxides of cobalt, nickel, and copper, Anal. Chem., 47, 2208, 10.1021/ac60363a034 Yamashita, 2007, Hydrogen-bond assisted enormous broadening of infrared spectra of phenol-water cationic cluster: An abinitio mixed quantum-classical study, J. Chem. Phys., 126, 074304-1, 10.1063/1.2434778 He, 1997, Ionic strength effects on sulfate and phosphate adsorption on g-alumina and kaolinite: triple-layer model, Soil Sci. Soc. Am. J., 61, 784, 10.2136/sssaj1997.03615995006100030011x Onyango, 2004, Adsorption equilibrium modeling and solution chemistry dependence of fluoride removal from water by trivalent-cation-exchanged zeolite F-9, J. Colloid Interface Sci., 279, 341, 10.1016/j.jcis.2004.06.038 Tor, 2006, Removal of phenol from aqueous phase by using neutralized red mud, J. Colloid Interface Sci., 300, 498, 10.1016/j.jcis.2006.04.054