Fluoride occurrence in groundwater systems at global scale and status of defluoridation – State of the art
Tóm tắt
Từ khóa
Tài liệu tham khảo
Abdel-Azeem, 2009, Microbiological and Physicochemical Analysis of Groundwater and Its Biological Effect on Population in Saint Katherine Protectorate, Egypt, 458, 1491
Ahmed, 2014, Fluoride in quaternary groundwater aquifer, Nile Valley, Luxor, Egypt, Arab. J. Geosci., 7, 3069, 10.1007/s12517-013-0962-x
Ahmad, 2018, Arsenite removal in groundwater treatment plants by sequential Permanganate–Ferric treatment, J. Water Process Eng., 26, 221, 10.1016/j.jwpe.2018.10.014
Ahmad, 2019, Characteristics of Fe and Mn bearing precipitates generated by Fe(II) and Mn(II) co-oxidation with O2, MnO4 and HOCl in the presence of groundwater ions, Water Res., 161, 505, 10.1016/j.watres.2019.06.036
Al-Amry, 2006, Hydrogeochemistry and origin of fluoride in groundwater of Hidhran & Alburayhi Basin, northwest Taiz City, Yemen, Delta J. Sci., 33, 10, 10.21608/djs.2009.152951
Al-rawajfeh, 2013, Defluoridation of water by natural materials: is it adsorption?, 5
Alabdulaaly, 2013, Occurrence of fluoride in ground waters of Saudi Arabia, Appl. Water Sci., 3, 589, 10.1007/s13201-013-0105-2
Alagumuthu, 2010, Kinetic and equilibrium studies on fluoride removal by zirconium (iv)-impregnated groundnut shell carbon, Hem. Ind., 64, 295, 10.2298/HEMIND100307017A
Alemu, 2015, Retrospective study of fluoride distribution in Ethiopian drinking water sources, Asian J. Appl. Sci. Eng., 4, 127
Ali, 2019, Concentration of fluoride in groundwater of India: A systematic review, metaanalysis and risk assessment, Groundw. Sustain. Dev., 9, 10.1016/j.gsd.2019.100224
Ali, 2018, Elevated fluoride in groundwater of Siwani Block, Western Haryana, India: A potential concern for sustainable water supplies for drinking and irrigation, Groundw. Sustain. Dev., 7, 410, 10.1016/j.gsd.2018.05.008
Amini, 2008, Statistical modeling of global geogenic fluoride contamination in groundwaters, Environ. Sci. Technol., 42, 3662, 10.1021/es071958y
Apambire, 1997, Geochemistry, genesis, and health implications of fluoriferous groundwaters in the upper regions of Ghana, Environ. Geol., 33, 13, 10.1007/s002540050221
Armienta, 2008, Arsenic and fluoride in the groundwater of Mexico, Environ. Geochem. and Health, 30, 345, 10.1007/s10653-008-9167-8
Ayenew, 2008, The distribution and hydrogeological controls of fluoride in the groundwater of central Ethiopian rift and adjacent highlands, Environ. Geol., 54, 1313, 10.1007/s00254-007-0914-4
Ayenew, 2008, Hydrogeological framework and occurrence of groundwater in the Ethiopian aquifers, J. Afr. Earth Sci., 52, 97, 10.1016/j.jafrearsci.2008.06.006
Ayoob, 2006, Fluoride in drinking water: a review on the status and stress effects, Crit. Rev. Environ. Sci. Technol., 36, 433, 10.1080/10643380600678112
Ayris, 2012, The immediate environmental effects of tephra emission, Bull. Volcanol., 74, 1905, 10.1007/s00445-012-0654-5
Bansiwal, 2010, Copper oxide incorporated mesoporous alumina for defluoridation of drinking water, Microporous Mesoporous Mater., 129, 54, 10.1016/j.micromeso.2009.08.032
Bårdsen, 1999, Dental fluorosis among persons exposed to high- and low-fluoride drinking water in western Norway, Community Dent. Oral Epidemiol., 27, 259, 10.1111/j.1600-0528.1999.tb02019.x
Battaleb-Looie, 2010, A study of fluoride groundwater occurrence in Posht-e-Kooh-e-Dashtestan, South of Iran, World Appl. Sci. J., 8, 1317
Battaleb-Looie, 2012, Geological sources of fluoride and acceptable intake of fluoride in an endemic fluorosis area, southern Iran, Environ. Geochem. Health, 34, 641, 10.1007/s10653-012-9451-5
Berger, 2016, 1
Bhatnagar, 2011, Fluoride removal from water by adsorption-A review, Chem. Eng. J., 171, 811, 10.1016/j.cej.2011.05.028
Bhaumik, 2012, Eggshell powder as an adsorbent for removal of fluoride from aqueous solution: equilibrium, kinetic and thermodynamic studies, E-J. Chem., 9, 1457, 10.1155/2012/790401
Biswas, 2010, Fluoride removal efficiency from aqueous solution by synthetic iron(III)-aluminum(III)-chromium(III) ternary mixed oxide, Desalination, 255, 44, 10.1016/j.desal.2010.01.019
Bjorvatn, 1995, Use of activated clay for defluoridation of water, 49
Borgnino, 2013, Mechanisms of fluoride release in sediments of Argentina’s central region, Sci.Total Environ., 443, 245, 10.1016/j.scitotenv.2012.10.093
Boyle, 1995, An incidence of skeletal fluorosis associated with groundwaters of the maritime carboniferous basin, Gaspé region, Quebec, Canada, Environ. Geochem. Health, 17, 5, 10.1007/BF00188625
Brindha, 2011, Fluoride in groundwater: causes, implications and mitigation measures, 111
Camargo, 2003, Fluoride toxicity to aquatic organisms: A review, Chemosphere, 50, 251, 10.1016/S0045-6535(02)00498-8
Çengeloğlu, 2002, Removal of fluoride from aqueous solution by using red mud, Sep. Purif. Technol., 28, 81, 10.1016/S1383-5866(02)00016-3
Chae, 2007, Fluorine geochemistry in bedrock groundwater of South Korea, Sci.Total Environ., 385, 272, 10.1016/j.scitotenv.2007.06.038
Chandrajith, 2012, Spatial distribution of fluoride in groundwater of Sri Lanka, J. Natn. Sci. Found. Sri Lanka, 40, 303, 10.4038/jnsfsr.v40i4.5044
Chandrasekhar, 2014, High heat generating granites of Tanzania, 1
Chen, 2010, Fluoride removal from water by granular ceramic adsorption, J. Colloid Interface Sci., 348, 579, 10.1016/j.jcis.2010.04.048
Chen, 2011, Investigations on the batch and fixed-bed column performance of fluoride adsorption by Kanuma mud, Desalination, 268, 76, 10.1016/j.desal.2010.09.053
Coetsiers, 2008, Hydrochemistry and source of high fluoride in groundwater of the Nairobi area, Kenya, Hydrol. Sci. J. J. Des Sci. Hydrol., 53, 1230, 10.1623/hysj.53.6.1230
Cortes, 1996, Drinking water fluoride levels, dental fluorosis, and caries experience in Brazil, J. Public Health Dent., 56, 226, 10.1111/j.1752-7325.1996.tb02441.x
Cronin, 2000, Fluoride: A review of its fate, bioavailability, and risks of fluorosis in grazed‐pasture systems in New Zealand, N. Z. J. Agric. Res., 43, 295, 10.1080/00288233.2000.9513430
Cronin, 2003, Environmental hazards of £ uoride in volcanic ash: a case study from Ruapehu volcano, New Zealand, J. Volcanol. Geotherm. Res., 121, 271, 10.1016/S0377-0273(02)00465-1
Currell, 2011, Controls on elevated fluoride and arsenic concentrations in groundwater from the Yuncheng Basin, China, Appl. Geochem., 26, 540, 10.1016/j.apgeochem.2011.01.012
D’Alessandro, 2006, Human fluorosis related to volcanic activity: A review, WIT Trans. Biomed. Health, 10, 21, 10.2495/ETOX060031
Dang-i, 2015, Reduction of fluorine in water using clay mixed with hydroxyapatite, Int. J. Appl. Sci. Technol., 5, 45
Dar, 2011, Fluorine contamination in groundwater: A major challenge, Environ. Monit. Assess., 173, 955, 10.1007/s10661-010-1437-0
Das, 2005, Defluoridation of drinking water using activated titanium rich bauxite, J. Colloid Interface Sci., 292, 1, 10.1016/j.jcis.2005.06.045
Das, 2018, Provenance, prevalence and health perspective of co-occurrences of arsenic, fluoride and uranium in the aquifers of the Brahmaputra River floodplain, Chemosphere, 194, 755, 10.1016/j.chemosphere.2017.12.021
Delmelle, 2007, Gas/aerosol-ash interaction in volcanic plumes: New insights from surface analyses of fine ash particles, Earth Planet. Sci. Lett., 259, 159, 10.1016/j.epsl.2007.04.052
Den Besten, 1994, Dental fluorosis: its use as a biomarker, Adv. Dent. Res., 8, 105, 10.1177/08959374940080010201
Dharmagunawardhane, 2007, Fluoride problems in Sri Lanka, Environ. Manag. Health, 4, 9, 10.1108/09566169310033422
Dissanayake, 1996, Water quality and dental health in the dry zone of Sri Lanka, Geol. Soc., 113, 131, 10.1144/GSL.SP.1996.113.01.10
Dissanayake, 1991, The fluoride problem in the ground water of Sri Lanka - environmental management and health, Int. J. Environ. Stud., 38, 137, 10.1080/00207239108710658
Dou, 2012, Remediating fluoride from water using hydrous zirconium oxide, Chem. Eng. J., 198–199, 236, 10.1016/j.cej.2012.05.084
Dwivedi, 2010, A comparative investigation for strengthening the adsorptive phenomenon by activated natural minerals and plant waste-carbon for defluoridation in water milieu, Desalination, 263, 189, 10.1016/j.desal.2010.06.059
Edmunds, 2013, 311
Elmabrok, 2016, An investigation of fluoride levels in Alagilat City , Libya, Int. J. Curr. Sci., 19, 1
Emmanuel, 2015, Factors influencing the removal of fluoride from aqueous solution by Pithacelobium dulce Carbon, Der. Pharma. Chem., 7, 225
EPA, 2014
Fantong, 2010, Geochemical provenance and spatial distribution of fluoride in groundwater of Mayo Tsanaga River Basin, Far North Region, Cameroon: Implications for incidence of fluorosis and optimal consumption dose, Environ. Geochem. Health, 32, 147, 10.1007/s10653-009-9271-4
Farooqi, 2007, Distribution of highly arsenic and fluoride contaminated groundwater from east Punjab, Pakistan, and the controlling role of anthropogenic pollutants in the natural hydrological cycle, Geochem. J., 41, 213, 10.2343/geochemj.41.213
Farooqi, 2015, Arsenic and fluoride pollution in water and soils, 1
Firempong, 2013, Soluble fluoride levels in drinking water-a major risk factor of dental fluorosis among children in Bongo community of Ghana, Ghana Med. J., 47, 16
Ganvir, 2011, Removal of fluoride from drinking water using aluminum hydroxide coated rice husk ash, J. Hazard Mater., 185, 1287, 10.1016/j.jhazmat.2010.10.044
Gbadebo, 2012, Groundwater fluoride and dental fluorosis in southwestern Nigeria, Environ. Geochem. Health, 34, 597, 10.1007/s10653-012-9455-1
Ghiglieri, 2010, Prospecting for safe (low fluoride) groundwater in the Eastern African Rift: The Arumeru District (Northern Tanzania), Hydrol. Earth Syst. Sci., 14, 1081, 10.5194/hess-14-1081-2010
Ghiglieri, 2012, Hydrogeology and hydrogeochemistry of an alkaline volcanic area: The NE Mt. Meru slope (East African Rift-Northern Tanzania), Hydrol. Earth Syst. Sci., 16, 529, 10.5194/hess-16-529-2012
Ghiglieri, 2008, Hydrogeological and geophysical investigations for groundwater in the Arumeru District (Northern Tanzania), Rendiconti online Della Societa Geologica Italiana, 2, 1
Ghorai, 2005, Equilibrium, kinetics and breakthrough studies for adsorption of fluoride on activated alumina, Separ. Purif. Technol., 42, 265, 10.1016/j.seppur.2004.09.001
Gizaw, 1996, The origin of high bicarbonate and fluoride concentrations in waters of the Main Ethiopian Rift Valley, East African Rift system, J. Afr. Earth Sci., 22, 391, 10.1016/0899-5362(96)00029-2
Gong, 2012, Adsorption of fluoride onto different types of aluminas, Chem. Eng. J., 189–190, 126, 10.1016/j.cej.2012.02.041
Grimason, 2013, Classification and quality of groundwater supplies in the Lower Shire Valley, Malawi - Part 2: Classification of borehole water supplies in Chikhwawa, Malawi, Water SA, 39, 563
Gumbo, 1995, Water defluoridation for rural fluoride affected communities in Tanzania, 109
Guo, 2007, Geochemical processes controlling the elevated fluoride concentrations in groundwaters of the Taiyuan Basin, Northern China, J. Geochem. Explor., 93, 1, 10.1016/j.gexplo.2006.07.001
Gupta, 2005, Origin of high fluoride in groundwater in the North Gujarat-Cambay region, India, Hydrogeol. J., 13, 596, 10.1007/s10040-004-0389-2
Haamer, 2006, 1
Habuda-Stanić, 2014, A review on adsorption of fluoride from aqueous solution, Materials, 7, 6317, 10.3390/ma7096317
Handa, 1975, Geochemistry and genesis of fluoride containing groundwaters in India, Gr. Water, 13, 275, 10.1111/j.1745-6584.1975.tb03086.x
Hardisson, 2001, Fluoride levels in publicly supplied and bottled drinking water in the Island of Tenerife, Spain, Bull. Environ. Contam. Toxicol., 67, 163, 10.1007/s001280106
Haylamicheal, 2012, Assessing water quality of rural water supply schemes as a measure of service delivery sustainability: A case study of WondoGenet district, Southern Ethiopia, Afr. J. Environ. Sci. Techn., 6, 229, 10.5897/AJEST12.010
Heikens, 2005, The impact of the hyperacid Ijen Crater Lake. Part I: Concentrations of elements in crops and soil, Environ. Geochem.Health, 27, 409, 10.1007/s10653-005-0827-7
Hernández-Montoya, 2007, Screening of commercial sorbents for removal of fluoride in synthetic and groundwater, Environ. Technol., 28, 595, 10.1080/09593332808618823
Indermitte, 2010, 1
Islam, 2007, Evaluation of removal efficiency of fluoride from aqueous solution using quick lime, J. Hazard. Mater., 143, 303, 10.1016/j.jhazmat.2006.09.030
Ismail, 1996, The risk of fluorosis in students exposed to a higher than optimal concentration of fluoride in well water, Fluoride, 29, 256
Jacks, 2016, Fluoride in groundwater, moobilization, trends and remediation, Groundw. Assess. Model. Manag., 339
Jacks, 2005, Controls on the genesis of some high-fluoride groundwaters in India, Appl. Geochem., 20, 221, 10.1016/j.apgeochem.2004.07.002
Jacks, 2009, Drinking water from groundwater sources – a global perspective, 20
Jagtap, 2011, Defluoridation of drinking water using chitosan based mesoporous alumina, Microporous Mesoporous Mater., 142, 454, 10.1016/j.micromeso.2010.12.028
Jaoudi, 2012, Determination of fluoride in tap water in Morocco using a direct electrochemical method, Bull. Environ. Contam. Toxicol., 89, 390, 10.1007/s00128-012-0706-8
Jha, 2013, Fluoride in groundwater: toxicological exposure and remedies, J. Toxicol. Environ. Health, Part B, 16, 52, 10.1080/10937404.2013.769420
Jha, 2011, Fluoride in the environment and its metabolism in humans, Rev. Environ. Contam. Toxicol., 121
Kagne, 2009, Bleaching powder: A versatile adsorbent for the removal of fluoride from aqueous solution, Desalination, 243, 22, 10.1016/j.desal.2008.04.012
Kamble, 2010, Adsorption of fluoride from aqueous solution by alumina of alkoxide nature: Batch and continuous operation, Desalination, 264, 15, 10.1016/j.desal.2010.07.001
Kario, 2000, Blood pressure variability in elderly patients, Lancet, 355, 1645, 10.1016/S0140-6736(05)72549-6
Karthikeyan, 2011, Batch sorption studies on the removal of fluoride ions from water using eco-friendly conducting polymer/bio-polymer composites, Desalination, 267, 49, 10.1016/j.desal.2010.09.005
Kaseva, 2006, Contribution of trona (magadi) into excessive fluorosis-a case study in Maji ya Chai ward, Northern Tanzania, Sci.Total Environ., 366, 92, 10.1016/j.scitotenv.2005.08.049
Kaseva, 2006, Optimization of regenerated bone char for fluoride removal in drinking water: A case study in Tanzania, J.Water Health, 4, 139, 10.2166/wh.2006.0011
Kebede, 2014, Experimental evaluation of sorptive removal of flouride from drinking water using iron ore, Appl. Water Sci., 57
Ketata, 2011, Hydrochemical and statistical study of groundwaters in Gabes-south deep aquifer (south-eastern Tunisia), Phys. Chem. Earth, 36, 187, 10.1016/j.pce.2010.02.006
Kheradpisheh, 2018, Impact of drinking water fluoride on human thyroid hormones: a case-control study, Sci. Rep., 1
Kim, 2005, Factors influencing natural occurrence of fluoride-rich groundwaters: A case study in the southeastern part of the Korean Peninsula, Chemosphere, 58, 1399, 10.1016/j.chemosphere.2004.10.002
Kim, 2011, Geochemical characteristics of fluoride in groundwater of Gimcheon, Korea: Lithogenic and agricultural origins, Environ. Earth Sci., 63, 1139, 10.1007/s12665-010-0789-7
Ku, 2002, The adsorption of fluoride ion from aqueous solution by activated alumina, Water Air Soil Pollut., 133, 349, 10.1023/A:1012929900113
Kumar, 2011, Defluoridation from aqueous solutions by nano-alumina: Characterization and sorption studies, J. Hazard. Mater., 186, 1042, 10.1016/j.jhazmat.2010.11.102
Kumar, 2016, Co-occurrence perspective of arsenic and fluoride in the groundwater of Diphu, Assam, Northeastern India, Chemosphere, 150, 227, 10.1016/j.chemosphere.2016.02.019
Kut, 2016, A review of fluoride in african groundwater and local remediation methods, Groundw. Sustain. Dev., 2–3, 190, 10.1016/j.gsd.2016.09.001
Lavecchia, 2012, Fluoride removal from water by adsorption on a high alumina content bauxite, Chem. Eng. Trans., 26, 225
Lee, 2010, Enhanced adsorptive removal of fluoride using mesoporous alumina, Microporous Mesoporous Mater, 127, 152, 10.1016/j.micromeso.2009.07.007
Leyva-Ramos, 2010, Kinetic modeling of fluoride adsorption from aqueous solution onto bone char, Chem. Eng. J., 158, 458, 10.1016/j.cej.2010.01.019
Li, 2011, Superb fluoride and arsenic removal performance of highly ordered mesoporous aluminas, J. Hazard Mater., 198, 143, 10.1016/j.jhazmat.2011.10.025
Li, 2011, Geochemical provenance and spatial distribution of fluoride in groundwater of Taiyuan basin, China, Environ. Earth Sci., 62, 1635, 10.1007/s12665-010-0648-6
Liao Xue, 2005, Adsorption of fluoride on zirconium(IV)-Impregnated collagen fiber, Environ. Sci. Technol., 39, 4628, 10.1021/es0479944
Lottermoser, 2007, Controls on the genesis of a high-fluoride thermal spring: Innot Hot Springs, north Queensland, Australian J. Earth Sci., 54, 597, 10.1080/08120090701188988
Lugwisha, 2016, Water defluoridation capacity of Tanzanian kaolin-feldspar blend adsobents, American J. Appl. Chem., 4, 77, 10.11648/j.ajac.20160403.12
Lv, 2007, Defluoridation of drinking water by calcined MgAl-CO3 layered double hydroxides, Desalination, 208, 125, 10.1016/j.desal.2006.03.587
MacDonald, 1994, Restoring contaminated groundwater: an achievable goal?, Environ. Sci. Technol., 28, 362, 10.1021/es00057a001
Maity, 2018, Removal of fl uoride from water through bacterial-surfactin mediated novel hydroxyapatite nanoparticle and its efficiency assessment: Adsorption isotherm , adsorption kinetic and adsorption thermodynamics, Environ. Nanotechnol. Monit. Manag., 9, 18
Majumdar, 2011, Health impact of supplying safe drinking water containing fluoride below permissible level on flourosis patients in a fluoride-endemic rural area of West Bengal, Indian J. Public Health, 55, 303, 10.4103/0019-557X.92411
Maliyekkal, 2008, Enhanced fluoride removal from drinking water by magnesia-amended activated alumina granules, Chem. Eng. J., 140, 183, 10.1016/j.cej.2007.09.049
Mamatha, 2010, Geochemistry of fluoride rich groundwater in Kolar and Tumkur Districts of Karnataka, Environ. Earth Sci., 61, 131, 10.1007/s12665-009-0331-y
Mamuse, 2016, High fluoride drinking water in Gokwe, northwest Zimbabwe, J. Water Sanit. Hyg. Dev., 6, 55, 10.2166/washdev.2016.188
Mann, 2014, Performance of low-cost adsorbents for the removal of fluoride ions – an overview, Int. J. Eng. Sci. Innov. Technol., 3, 437
Mbabaye, 2017, Standardizing defluoridation of community waters using bone char, J. Water Supply Res. Technol. Aqua, 66, 131, 10.2166/aqua.2017.056
Meenakshi, 2008, Enhanced fluoride sorption by mechanochemically activated kaolinites, J. Hazard Mater., 153, 164, 10.1016/j.jhazmat.2007.08.031
Mehari, 2014, Development of household defluoridation unit based on crushed burnt clay pot as sorbent medium: a case of Keren Community, Eritrea, Environ. Nat. Resour. Res., 4, 67
Mehari, 2014, Preliminary assessment of low cost local sorbent materials for water defluoridation in Keren, Eritrea, Int. J. Sci. Basic Appl.Res., 18, 45
Mesdaghinia, 2010, Monitoring of fluoride in groundwater resources of Iran, Bull. Environ. Contam. Toxicol., 84, 432, 10.1007/s00128-010-9950-y
Messaıtfa, 2008, Fluoride contents in groundwaters and the main consumed foods (dates and tea) in Southern Algeria region, Environ. Geol., 55, 377, 10.1007/s00254-007-0983-4
Miretzky, 2011, Fluoride removal from water by chitosan derivatives and composites: A review, J. Fluorine Chem., 132, 231, 10.1016/j.jfluchem.2011.02.001
Mkungu, 2014, Application of soil composition for inferring fluoride variability in volcanic areas of Mt. Meru, Tanzania, Int. J. Environ. Monit. Anal., 2, 231
Mody, 2010, Influence of other contaminants on removal of fluoride from ground water by adsorption, Recent Adv. Chem. Eng. (March), 10
Moges, 1996, Preliminary investigations on the defluoridation of water using fired clay chips, J. Afr. Earth Sci., 22, 479, 10.1016/0899-5362(96)00030-9
Moghaddam, 2008, Distribution of fluoride in groundwater of Maku area, northwest of Iran, Environ. Geol., 56, 281, 10.1007/s00254-007-1163-2
Mohammad, 2014, Removal of fluoride from synthetic waste water by using “bio-adsorbents”, Int. J. Res. Eng. Technol., 3, 776, 10.15623/ijret.2014.0304137
Mohan, 2012, Fluoride removal from water using bio-char, a green waste, low-cost adsorbent: Equilibrium uptake and sorption dynamics modeling, Ind. Eng. Chem. Res., 51, 900, 10.1021/ie202189v
Mondal, 2015, Removal of fluoride from drinking water using novel adsorbent Magnesia-Hydroxyapatite, Water Air Soil Pollut, 226, 1
Moturi, 2002, The contribution of drinking water towards dental Fluorosis : a case study of Njoro Division, Nakuru District, Kenya, Environ. Geochem. Health, 24, 123, 10.1023/A:1014204700612
Mourabet, 2011, Defluoridation of water using Brushite: Equilibrium, kinetic and thermodynamic studies, Desalination, 278, 1, 10.1016/j.desal.2011.05.068
Msonda, 2007, A study of fluoride groundwater occurrence in Nathenje, Lilongwe, Malawi, Phys. Chem. Earth, 32, 1178, 10.1016/j.pce.2007.07.050
Muller, 1998, Finding the optimum: flouridation of potable water in South Africa, Water SA, 24, 21
Mumtaz, 2014, Assessment of electrolytic process for water defluoridation, Int. Res. J. Public Environ. Health, 1, 175
Mumtaz, 2015, Global fluoride occurrence, available technologies for fluoride removal and electrolytic defluoridation: a review, Crit. Rev. Environ. Sci.Technol., 45, 2357, 10.1080/10643389.2015.1025638
Murray, 1986, 1
Mwakabona, 2014, Plant biomasses for defluoridation appropriateness: unlocking their potentials, Res. J. Eng. Appl. Sci., 3, 167
Nair, 2006, Groundwater quality of North-East Libya, J. Environ. Biol., 27, 695
Narsimha, 2016, Contamination of fluoride in groundwater and its effect on human health: a case study in hard rock aquifers of Siddipet, Telangana State, India, Appl. Water Sci.
NAS, 2006
Naseem, 2010, Lithological influences on occurrence of high-fluoride groundwater in Nagar Parkar area, Thar Desert, Pakistan, Chemosphere, 78, 1313, 10.1016/j.chemosphere.2010.01.010
Nasr, 2011, Removal of fluoride ions using cuttlefish bones, J. Fluorine Chem., 132, 57, 10.1016/j.jfluchem.2010.11.006
NCCP, 2014
Ncube, 2005, The occurrence of fluoride in South African groundwater: A water quality and health problem, Water SA, 31, 35, 10.4314/wsa.v31i1.5118
Ncube, 2000, 23
Nielsen, 2002, Fluoride exposure of East African consumers using alkaline salt deposits known as magadi (trona) as a food preparation aid, Food Addit. Contam., 19, 709, 10.1080/02652030210145900
Nordstrom, 2005, Ground water to surface water - Chemistry of thermal outflows in Yellowstone National Park, 73
Nordstrom, 1977, Fluorite solubility equilibria in selected geothermal waters, Geochem. Cosmochim. Acta, 41, 175, 10.1016/0016-7037(77)90224-1
Nsengimana, 2012, Some physico-chemical characteristics of ground water in Rwanda, Rwanda J, 25, 101
Nureddin, 2018, Adverse effects of fluoride, Adv. Dent. Oral Health, 8, 1, 10.19080/ADOH.2018.08.555746
Nwamaka, 2014, Assessment of groundwater quality in wells within the Bombali District, Sierra Leone, Anim. Res. Int., 11, 1905
Ogbu, 2012, Well waters fluoride in Enugu, Nigeria, J. Occup. Environ. Med., 3, 96
Olaka, 2016, Groundwater fluoride enrichment in an active rift setting: Central Kenya Rift case study, Sci. Total Environ., 545-546, 641, 10.1016/j.scitotenv.2015.11.161
Oruc, 2008, Occurrence and problems of high fluoride waters in Turkey: An overview, Environ. Geochem. Health, 30, 315, 10.1007/s10653-008-9160-2
Osemwegie, 2013, Influence of anthropogenic activities of groundwater from hand dug wells within the precarious settlements of southern Abidjan, Côte d’Ivoire: case of the slums of Anoumabo (Marcory) and Adjouffou (Port-Bouët), J. Water Resour. Prot., 5, 427, 10.4236/jwarp.2013.54042
Ozsvath, 2009, Fluoride and environmental health: A review, Rev. Environ. Sci. Biotechnol., 8, 59, 10.1007/s11157-008-9136-9
Pandey, 2016, Fluoride contamination of groundwater and it’s hydrogeological evolution in district Sonbhadra (U.P.) India, Proc. Natl. Acad. Sci. India Sect. A Phys. Sci., 86, 81, 10.1007/s40010-015-0228-y
Pendrys, 2001, Fluoride ingestion and oral health, Nutrition, 17, 979, 10.1016/S0899-9007(01)00686-4
Peter, 2009, Defluoridation of high fluoride water from natural water sources by using soils rich in bauxite and kaolinite, J. Eng. Appl. Sci., 4, 240
Parlikar, 2015, A comparative study of defluoridation of water by tea waste and drumstick as bioadsorbants, Int. J. Multidiscip. Res. Dev., 2, 202
Pickering, 1985, The mobility of soluble fluoride in soils, Environ. Pollut. B Chem. Phys., 9, 281, 10.1016/0143-148X(85)90004-7
Pritchard, 2008, Assessment of groundwater quality in shallow wells within the southern districts of Malawi, Phys. Chem. Earth, 33, 812, 10.1016/j.pce.2008.06.036
Puntoriero, 2014, Arsenic, fluoride, and vanadium in surface water (Chasicó Lake, Argentina), Front. Environ. Sci., 2, 2
Qian, 1999, Fluoride in water: An overview, WATERfront, 11
Queste, 2001, High concentrations of fluoride and boron in drinking water wells in the Muenster region – Results of a preliminary investigation, Int. J. Hyg. Environ. Health, 203, 221, 10.1078/S1438-4639(04)70032-2
Raichur, 2001, Adsorption of fluoride onto mixed rare earth oxides, Separ. Purif. Technol., 24, 121, 10.1016/S1383-5866(00)00219-7
Raju, 2009, Fluoride contamination in groundwaters of Sonbhadra District, Uttar Pradesh, India, Curr. Sci., 96, 979
Rango, 2012, Groundwater quality and its health impact: An assessment of dental fluorosis in rural inhabitants of the Main Ethiopian Rift, Environ. Int., 43, 37, 10.1016/j.envint.2012.03.002
Rao, 2003, Fluoride and environment - a review, 386
Rao, 2014, Effective low cost adsorbents for removal of fluoride from water: a review, Int. J. Sci. Res., 3, 120
Rao, 2009, Fluoride in groundwater, Varaha River Basin, Visakhapatnam District, Andhra Pradesh, India, Environ. Monit. Assess., 152, 47, 10.1007/s10661-008-0295-5
Reimann, 2003, Drinking water quality in the Ethiopian section of the East African Rift valley I--Data and health aspects, Sci. Total Environ., 311, 65, 10.1016/S0048-9697(03)00137-2
Rentería-Villalobos, 2017, Hydrochemistry and 222Rn Concentrations in Spring Waters in the Arid Zone El Granero, Chihuahua, Mexico, Geosciences, 7, 1
Raza, 2017, Geochemical control on spatial variability of fluoride concentrations in groundwater from rural areas of Gujrat in Punjab, Pakistan, Environ. Earth Sci., 75, 1364, 10.1007/s12665-016-6155-7
Rosso, 2011, Occurrence of fluoride in arsenic-rich surface waters: a case study in the Pampa Plain, Argentina, Bull. Environ. Contam. Toxicol., 87, 409, 10.1007/s00128-011-0358-0
Rwenyonyi, 2001, Dental caries among 10- to 14-year-old children in Ugandan rural areas with 0.5 and 2.5 mg fluoride per liter in drinking water, Clin. Oral Investig., 5, 45, 10.1007/PL00010681
Sajidu, 2008, Groundwater fluoride levels in villages of Southern Malawi and removal stidies using bauxite, Int. J. Phys. Sci., 3, 1
Salifu, 2012, Multivariate statistical analysis for fluoride occurrence in groundwater in the Northern region of Ghana, J. Contam. Hydrol., 140-141, 34, 10.1016/j.jconhyd.2012.08.002
Salim, 2014, Physicochemical analysis of surface and ground water in karrary locality, Sudan, Int. J. Sci. Eng. Technol. Res., 3, 436
Sarkar, 2006, Use of laterite for the removal of fluoride from contaminated drinking water, J. Colloid Interface Sci., 302, 432, 10.1016/j.jcis.2006.07.001
Saxena, 2001, Dissolution of fluoride in groundwater: A water-rock interaction study, Environ. Geol., 40, 1084, 10.1007/s002540100290
Saxena, 2003, Inferring the chemical parameters for the dissolution of fluoride in groundwater, Environ. Geol., 43, 731, 10.1007/s00254-002-0672-2
Segreto, 1984, A current study of mottled enamel in Texas, J. Am. Dent. Assoc., 108, 56, 10.14219/jada.archive.1984.0197
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
Shah, 2003, Potential fluoride contamination in the drinking water of Naranji area, northwest Frontier province, Pakistan, Environ. Geochem. Health, 25, 475, 10.1023/B:EGAH.0000004579.54947.e7
Shaji, 2007, High fluoride in groundwater of Palghat district, Kerala, Curr. Sci., 92, 240
Shorter, 2011
Silliman, 2007, Observations on elemental concentrations of groundwater in central Benin, J. Hydrol., 335, 374, 10.1016/j.jhydrol.2006.12.005
Singano, 1995, Effect of pH on defluoridation of water by magnesite, 39
Singh, 2015, Evaluation of groundwater quality and its suitability for domestic and irrigation use in parts of the Chandauli-Varanasi, J. Water Resour. Prot., 7, 572, 10.4236/jwarp.2015.77046
Sivasankar, 2016, Fluoride: a world ubiquitous compound, its chemistry, and ways of contamination venkataraman, 5
Smedley, 2002, A review of the source, behaviour and distribution of arsenic in natural waters, Appl. Geochem., 17, 517, 10.1016/S0883-2927(02)00018-5
Smet, 1990, Fluoride in drinking water, 10
Sreedevi, 2006, Association of hydrogeological factors in temporal variations of fluoride concentration in a crystalline aquifer in India, Environ. Geol., 50, 1, 10.1007/s00254-005-0167-z
Sujana, 2011, Fluoride removal studies from contaminated ground water by using bauxite’, Desalination, 267, 222, 10.1016/j.desal.2010.09.030
Sujana, 2009, Studies on fluoride adsorption capacities of amorphous Fe/Al mixed hydroxides from aqueous solutions, J. Fluorine Chem., 130, 749, 10.1016/j.jfluchem.2009.06.005
Sujana, 1998, Removal of fluoride from aqueous solution by using Alum sludge, J. Colloid Interface Sci., 206, 94, 10.1006/jcis.1998.5611
Sujatha, 2003, Fluoride levels in the groundwater of the south-eastern part of Ranga Reddy district, Andhra Pradesh, India, Environ. Geol., 44, 587, 10.1007/s00254-003-0795-0
Sundaram, 2008, Uptake of fluoride by nano-hydroxyapatite/chitosan, a bioinorganic composite, Bioresour. Technol., 99, 8226, 10.1016/j.biortech.2008.03.012
Sundaram, 2009, Defluoridation of water using magnesia/chitosan composite, J. Hazard Mater., 163, 618, 10.1016/j.jhazmat.2008.07.009
Suthar, 2008, Fluoride contamination in drinking water in rural habitation of Northern Rajasthan, India, Env. Monit. Assess., 145, 1, 10.1007/s10661-007-0011-x
Tahir, 2013, Fluoride in the drinking water of Pakistan and the possible risk of crippling fluorosis, Drink. Water Eng. Sci., 6, 17, 10.5194/dwes-6-17-2013
Tanouayi, 2016, Distribution of fluoride in the phosphorite mining area of Hahotoe–Kpogame (Togo), J. Health Pollut., 6, 84, 10.5696/2156-9614-6.10.84
TBS, 2009, 1
Tekle-Haimanot, 2006, The geographic distribution of fluoride in surface and groundwater in Ethiopia with an emphasis on the Rift Valley, Sci. Total Environ., 367, 182, 10.1016/j.scitotenv.2005.11.003
Thole, 2013, Water defluoridation by bauxite-gypsum magnesite (B-G-Mc) based filters calcined at 350 500 °C, Int. J. Phys. Sci., 8, 956, 10.5897/IJPS10.668
Thole, 2013, Ground water contamination with fluoride and potential fluoride removal technologies for East and Southern Africa, 65
Tirumalesh, 2007, Isotope hydrochemical approach to understand fluoride release into groundwaters of Ilkal area, Bagalkot District, Karnataka, India, Hydrogeol. J., 15, 589, 10.1007/s10040-006-0107-3
Titus, 2009
Tomar, 2013, A critical study on efficiency of different materials for fluoride removal from aqueous media, Chem. Cent. J., 7, 51, 10.1186/1752-153X-7-51
Tor, 2006, Removal of fluoride from an aqueous solution by using montmorillonite, Desalination, 201, 267, 10.1016/j.desal.2006.06.003
Tor, 2009, Removal of fluoride from water by using granular red mud: Batch and column studies, J. Hazard Mater., 164, 271, 10.1016/j.jhazmat.2008.08.011
Tukur, 2014, Fluoride contamination of shallow groundwater in parts of Zango Local Government area of Katsina State, Northwest Nigeria, J. Geosci. Geomat., 2, 178
Ullah, 2009, Assessment of groundwater contamination in an industrial city, Sialkot, Pakistan, Afr. J. Environ. Sci. Technol., 3, 429
Valasek, 2012
Valenzuela-Vásquez, 2006, The origin of fluoride in groundwater supply to Hermosillo City, Sonora, Mexico, Environ. Geol., 51, 17, 10.1007/s00254-006-0300-7
van Weert, 2009
Viswanathan, 2010, Development of chitosan supported zirconium(IV) tungstophosphate composite for fluoride removal, J. Hazard Mater., 176, 459, 10.1016/j.jhazmat.2009.11.051
Viswanathan, 2010, Enriched fluoride sorption using alumina/chitosan composite, J. Hazard Mater., 178, 226, 10.1016/j.jhazmat.2010.01.067
Viswanathan, 2010, Selective fluoride adsorption by a hydrotalcite/chitosan composite, Appl. Clay Sci., 48, 607, 10.1016/j.clay.2010.03.012
Viswanathan, 2009, Removal of fluoride from aqueous solution using protonated chitosan beads, J. Hazard Mater., 161, 423, 10.1016/j.jhazmat.2008.03.115
Vithanage, 2015, Fluoride in drinking water: health effects and remediation, 105
Vithanage, 2015, Fluoride in the environment: sources, distribution and defluoridation, Environ. Chem. Lett., 13, 131, 10.1007/s10311-015-0496-4
Wambu, 2011, High fluoride water in the Gilgil area of Nakuru County, kenya, Fluoride, 44, 37
Wambu, 2014, High fluoride water in Bondo-Rarieda area of Siaya County, Kenya: a hydro-geological implication on public health in the Lake Victoria Basin, BMC Public Health, 14, 462, 10.1186/1471-2458-14-462
Wang, 2007, Arsenic and fluoride expose in drinking water: Children’s IQ and growth in Shanyin Country, Shanxi Province, China, Environ. Health Perspect., 115, 643, 10.1289/ehp.9270
Wang, 2011, Enhanced adsorption of fluoride from aqueous solution onto nanosized hydroxyapatite by low-molecular-weight organic acids, Desalination, 276, 161, 10.1016/j.desal.2011.03.033
Waziri, 2012, Assessment of fluoride concentrations in surface waters and groundwater sources in Northeastern Nigeria, Resour. Environ., 2, 67, 10.5923/j.re.20120202.10
Whitford, 1999, Fingernail fluoride: a method for monitoring fluoride exposure, Caries Res., 33, 462, 10.1159/000016552
WHO, 2011, 104
Witham, 2005, Volcanic ash-leachates: A review and recommendations for sampling methods, J. Volcanol. Geotherm. Res., 141, 299, 10.1016/j.jvolgeores.2004.11.010
Wolff-Boenisch, 2004, The effect of fluoride on the dissolution rates of natural glasses at pH 4 and 25 °C, Geochem. Cosmochim. Acta, 68, 4571, 10.1016/j.gca.2004.05.026
Xingbin, 2010, The fluoride-adsorption capacity and influencing factors study of Zeolite, 1, 358
Xu, 2011, Adsorption of fluoride from aqueous solution on magnesia-loaded fly ash cenospheres, Desalination, 272, 233, 10.1016/j.desal.2011.01.028
Yidana, 2010, Analysis of groundwater quality using multivariate and spatial analyses in the Keta basin, Ghana, J. Afr. Earth Sci., 58, 220, 10.1016/j.jafrearsci.2010.03.003
Yu, 2013, Removal of fluoride from drinking water by cellulose@hydroxyapatite nanocomposites, Carbohydr. Polym., 92, 269, 10.1016/j.carbpol.2012.09.045