Enhancing Jordanian National Capabilities in Investigation and … · 2019-10-17 · Eng. Ahmed Ali...
Transcript of Enhancing Jordanian National Capabilities in Investigation and … · 2019-10-17 · Eng. Ahmed Ali...
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Billy Dam , Conserve & Prosper LLC, formerly DOE-LM
Bob Moore, Pacific Northwest National Laboratory
Horst Monken-Fernandes, IAEA
Eng. Ahmed Ali Aluleimat, Eng. Ismail Mohammad Musallam Abdel Din, Jordan Ministry of Water & Irrigation
NORM IX: SCIENCE –AWARENESS - SOLUTIONS
Enhancing Jordanian National Capabilities in Investigation and Treatment of Natural Radioactivity in Drinking Water: Hydrogeology, Geochemistry, and Radium Removal
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AMMAN, JORDAN
MIDDLE EAST
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Jordan Ministry of Water & Irrigation
Amman, Jordan
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Wells in Southern Jordan, Pipeline to Amman
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Map of Outcrop Rum Aquifer and Khreim
Aquitard with Well Types
Mnasheer Well
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Hydrogeology relationship between
Rum Aquifer and Khreim Aquitard
Mehaysen Ahmed Mahasneh et al. Groundwater Quality of Disi-Aquifer in Southern Jordan. American Journal of Water
Resources, 2017, Vol. 5, No. 5, 152-161. doi:10.12691/ajwr-5-5-3
© The Author(s) 2015. Published by Science and Education Publishing.
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Gamma logs in Rum Group boreholes
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Mnasheer well in Qa Disi for proposed
pilot treatment plant
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WATER QUALITY
Groundwater Quality Variations
Ca2+
CATIONS
Mg
2+ Na +
+ K +
CO
32- +
HC
O3
-
SO
4 2-
Cl-
ANIONS
SO
42- +
Cl
-
Ca 2+
+ M
g 2+
EXPLANATION
TDS
228
1015
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WATER QUALITY Average Ra-226 = 0.37 Bq/L and Ra-228 = 1.34 Bq/L for
55 Dubaydid wells
Mnasheer well: Ra-226 = 1.0 Bq/L and Ra-228 = 1.86 Bq/L
Jordan DW Standard: 0.1 Bq/L for alpha emitters and 1.0 Bq/L for beta emitters
Ra 228 (beta) > Ra 226 (alpha) suggest Thorium not Uranium source
Double the highest radium in comparison to northcentral US of 0.52 Bq/L
Elevated radium found in Cambrian-Ordovician rocks in Jordan and U.S.
Low Fe and Mn (no sorption) and long residence time
Need field water quality data parameters
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GEOCHEMICAL MODELING
Water chemistry input indicates dissolved minerals
Likely saturated minerals include RaBaSO4
Scaling likely from concentrated minerals
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TREATMENT OPTIONS
• Mixing (blending) SW and GW
• Ion Exchange
• Reverse Osmosis
• Hydrous Manganese Oxides (HMO)
• Zeolite clay minerals or other techniques
• Optimize water supply requirements based on
lower radium concentrations
• Water treatment poses radioactive
waste issue and potential occupational doses from
radon
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SUMMARYRadium activity in ground-water wells exceeds Jordan’s drinking water limits so various water treatment and supply management options are being considered.
Contact:
Billy Dam