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David, P. Amala
- Reverse osmosis units in groundwater based public water supply system in rural eastern Karnataka, India: an analysis
Abstract Views :161 |
PDF Views:72
Authors
R. Srinivasan
1,
S. A. Pandit
1,
Ganesh Khatei
1,
N. Karunakara
2,
K. Sudeep Kumara
2,
Jean Riotte
3,
Hemant Moger
4,
P. Amala David
1,
Manoj Jindal
1,
G. Gowrisankar
1,
Kavitha Devi Ramkumar
1
Affiliations
1 Divecha Centre for Climate Change, Indian Institute of Science, Bengaluru 560 012, India, IN
2 Centre for Advanced Research in Environmental Radioactivity, Mangalore University, Mangala Gangothri, Mangaluru 574 199, India, IN
3 Indo-French Cell for Water Sciences, Indian Institute of Science, Bengaluru 560 012, India; Geosciences Environment Toulouse, 31400 Toulouse, France, IN
4 Indo-French Cell for Water Sciences, Indian Institute of Science, Bengaluru 560 012, India, IN
1 Divecha Centre for Climate Change, Indian Institute of Science, Bengaluru 560 012, India, IN
2 Centre for Advanced Research in Environmental Radioactivity, Mangalore University, Mangala Gangothri, Mangaluru 574 199, India, IN
3 Indo-French Cell for Water Sciences, Indian Institute of Science, Bengaluru 560 012, India; Geosciences Environment Toulouse, 31400 Toulouse, France, IN
4 Indo-French Cell for Water Sciences, Indian Institute of Science, Bengaluru 560 012, India, IN
Source
Current Science, Vol 123, No 12 (2022), Pagination: 1493-1498Abstract
Adequacy, eco-friendliness and desirability of continuation of reverse osmosis (RO) purification of groundwater for providing safe drinking water to villages in the groundwater resource-deficient eastern Karnataka, India, have been studied in 15 villages in 4 districts of the state, where high fluoride and uranium contamination has been observed. The results indicate that: (i) except in Chitradurga district, there are an inadequate number of RO facilities; (ii) RO water consumption is far less than the minimum amount recommended for drinking by WHO; (iii) while the benchmark of the best performance for RO membranes is >99%, the RO units in use show an average fluoride and uranium rejection percentage of 92.6 and 95.1 respectively; and (iv) similar to almost all RO units, the installed ones are also wasting water in the water-deficient eastern Karnataka and discharging concentrate with a higher percentage of contaminants into the environment. Better management of RO units and RO concentrate is required.Keywords
Contaminants, environmental friendliness, groundwater, reverse osmosis, sustainable rural water supply.Full Text
References
- CGWB, Groundwater Yearbook of Karnataka, Central Ground Water Board, Bengaluru, 2020–21, pp. 1–190.
- GoI, Uranium occurrence in shallow aquifers in India. Central Ground Water Board, River Development and Ganga Rejuvenation, Department of Water Resources, Ministry of Jal Sakthi, Government of India, 2020, pp. 1–58.
- Coyte, R. M., Jain, R. C., Srivastava, S. K., Sharma, K. C., Khalil, A., Ma, L. and Vengosh, A., Large-scale uranium contamination of groundwater resources in India. Environ. Sci. Technol. Lett., 2018, 5, 341–347; https://doi.org/10.1021/acs.estlett.8b00215.
- Sahoo, S., Jha, S., Jha, V., Patra, A. and Kulkarni, M., Survey of uranium in drinking water sources in India: interim observations. Curr. Sci., 2021, 120(9), 1482–1490; http://dx.doi.org/10.18520/cs/v120/i9/1482-1490.
- Srinivasan, R. et al., High uranium concentration in groundwater used for drinking in parts of eastern Karnataka, India. Curr. Sci., 2021, 121(11), 1459–1469; http://dx.doi.org/10.18520/cs/v121/i11/1459-1469.
- Chakraborti, D. et al., Environmental arsenic contamination and its health effects in a historic gold mining area of the Mangalore greenstone belt of Northeastern Karnataka, India. J. Hazard. Mater., 2013, 262, 1048–1055; https://doi.org/10.1016/j.jhazmat.2012.10.002.
- WHO, Water Consumption Fact Sheet, How much water is do I re-ally need, 2022; https://www.safewater.org/fact-sheets-1/2017/1/23/ water-consumption (retrieved on 15 July 2022).
- Riotte, J. et al., The multiscale tropical catchments’ critical zone observatory M-TROPICS dataset III: hydro-geochemical monitoring of the Mule Hole catchment, South India. Hydrol. Process., 2021, 35(5), e14196.
- Indika, S. et al., Evaluation of performance of existing RO drinking water stations in the North Central Province, Sri Lanka. Membranes, 2021, 11(6), 383, 1–24; https://doi.org/10.3390/membranes-11060383.
- Atab, M. S., Smallbone, A. J. and Roskilly, A. P., An operational and economic study of a reverse osmosis desalination system for potable water and land irrigation. Desalination, 2016, 397, 174–184; https://doi.org/10.1016/j.desal.2016.06.020.
- Bhakar, V., Kumar, D. N. S. H., Sai, N. K., Sangwan, K. S. and Raghuvanshi, S., Life cycle assessment of filtration systems of reverse osmosis units: a case study of a University Campus. Procedia CIRP, 2016, 40, 268–273; https://doi.org/10.1016/j.procir.2016.01.119.
- Idrees, M. F., Performance analysis and treatment technologies of reverse osmosis plant – a case study. Case Stud. Chem. Environ.Eng., 2020, 2, 1–8; https://doi.org/10.1016/j.cscee.2020.100007.
- Joo, S. H. and Tansel, B., Novel technologies for reverse osmosis concentrate treatment: a review. J. Environ. Manage., 2015, 150, 322–335.
- Seema, S. S., Isloor, A. M. and Ismail, A. F., A review on RO membrane technology: developments and challenges. Desalination, 2015, 368, 10–26; https://doi.org/10.1016/j.desal.2014.12.042.
- Yang, Z., Zhou, Y., Feng, Z., Rui, X., Zhang, T. and Zhang, Z., A review on reverse osmosis and nanofiltration membranes for water purification. Polymers, 2019, 11, 1–14; https://doi.org/10.3390/polym11081252.
- Pearce, G., Introduction to membranes: filtration for water and wastewater treatment. Filtr. Sep., 2007, 44(2), 24–27; https://doi.org/10.1016/S0015-1882(07)70052-6.
- GoI, Jal Jeevan Mission, District wise number of rural population as on (01/04/22); https://ejalshakti.gov.in/IMISReports/Reports/BasicInformation/rpt_RWS_RuralPopulation_D.aspx?Rep=0 (retri-eved on 25 July 2022).