Dissolution and Precipitation Effect on Salinity Ingestion During Flow Through Biotic and Abiotic Porous Media

Bihung Narzary (), Soumen Maji () and Medalson Ronghang ()
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Bihung Narzary: Central Institute of Technology Kokrajhar
Soumen Maji: Central Institute of Technology Kokrajhar
Medalson Ronghang: Bineswar Brahma Engineering College

A chapter in Research and Innovation for Sustainable Development Goals, 2024, pp 25-36 from Springer

Abstract: Abstract The major cations-anions in groundwater are the cause of mineralized water. This water is highly saline when it comes in contact with natural mineralized rocks and ores beneath the perched water bodies. Due to the ages of pumping of water from these aquifers, water takes the shape of increased salinity. Conditioning parameters like flow hydraulics and water chemistry were studied through five sets of column experiments and a numerical model to assess the ingestion effect on porous materials. Although several transport models have been developed in recent decades, here focus on developing salt migration in two conditions, namely, biotic and abiotic was attempted. The interacting salt ions with river basin material packed in the column reflect those ingestions are higher in the biotic columns than in the abiotic; the preferable reactive sites allow the salts to transport and leach according to high to low flow rate. It suggests that salinity in water is caused on account of the hydraulic conditions in the water-bearing zone. Further study is expected to narrow the hydraulics and water chemistry understanding on the influence of sizes of packing material, flow velocity of the water, intra-ionic competition of the ions during the transport of salts in contribution to salinity.

Keywords: Porous media; Transport model; Biotic and abiotic porous media (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-981-97-5870-8_3

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DOI: 10.1007/978-981-97-5870-8_3

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