title: (226)Ra measurement by LSC as a tool to assess the efficiency of a water treatment technology for removing radionuclides from groundwater.
abstract: A simple (226)Ra analysis procedure by LSC with an extractive scintillator was tested for evaluating the long-term radionuclides removal efficiency of a water treatment facility at Viimsi, Estonia. During the 14 months of operation, total radium removal efficiency of the treatment process has stayed over 90%, but the removal efficiencies of the different purification steps have varied notably. This demonstrates the need for routine monitoring of radium content in the water treatment plant.
authors.affiliation: University of Tartu, Institute of Physics, Riia 142, 51014 Tartu, Estonia. Electronic address: siiri.suursoo@ut.ee.
authors.forename: Siiri
authors.initials: S
authors.lastname: Suursoo
authors.affiliation: University of Tartu, Institute of Physics, Riia 142, 51014 Tartu, Estonia.
authors.forename: Madis
authors.initials: M
authors.lastname: Kiisk
authors.affiliation: University of Tartu, Institute of Physics, Riia 142, 51014 Tartu, Estonia.
authors.forename: Amer
authors.initials: A
authors.lastname: Al-Malahmeh
authors.affiliation: University of Tartu, Institute of Physics, Riia 142, 51014 Tartu, Estonia.
authors.forename: Alar
authors.initials: A
authors.lastname: Jantsikene
authors.affiliation: University of Tartu, Institute of Physics, Riia 142, 51014 Tartu, Estonia.
authors.forename: Kaisa
authors.initials: K
authors.lastname: Putk
authors.affiliation: Tallinn University of Technology, Department of Chemical Engineering, Ehitajate tee 5, 19086 Tallinn, Estonia.
authors.forename: Liie
authors.initials: L
authors.lastname: Lumiste
mesh_terms: D004957:Estonia; D060587:Groundwater / Q000032:analysis*; D006801:Humans; D011834:Radiation Monitoring / Q000379:methods; D011868:Radioisotopes / Q000032:analysis / Q000302:isolation & purification; D011883:Radium / Q000032:analysis*; D012588:Scintillation Counting / Q000379:methods*; D013051:Spectrometry, Gamma; D014875:Water Pollutants, Radioactive / Q000032:analysis*; D018508:Water Purification / Q000379:methods*; D014881:Water Supply / Q000032:analysis
chemical_list: D011868:Radioisotopes; D014875:Water Pollutants, Radioactive; D011883:Radium
keywords: Gamma spectrometry; Groundwater; Liquid scintillation; Radium isotopes; Water treatment