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Purification of Saline Water Using Desalination Pellets

Catalytic Partial Desalination of Saline Water

DCA Consultants Ltd., The Bungalow, Castleton Farm, Falkirk FK2 8SD, UK
Academic Editor: José Luis Sánchez-Lizaso
Water 2022, 14(18), 2893;
Received: 13 August 2022 / Revised: 8 September 2022 / Accepted: 13 September 2022 / Published: 16 September 2022
(This article belongs to the Special Issue Desalination Treatment of Irrigation Water)
More than 1 billion ha of land is adversely affected by salinization, including about 54 million ha of irrigated cropland. This study trials a batch flow, bubble column, static bed, catalytic, pressure swing adsorption−desorption, zero valent iron, and diffusion reactor train, which is designed to partially desalinate water, for use as either livestock feed water or partially desalinated irrigation water. ZVI desalination produces a partially desalinated water product, without producing a waste brine product. The trial demonstrates sequential batch processing of 50 (0.86 m3) batches of saline water (43 m3 total), using a single ZVI charge, without loss of activity. The trialed feed water contained between 1 and 9 g NaCl L−1. The average desalination was 41.84% (standard deviation was 15.61%). The optimum batch processing time is determined as being between 12 and 24 h. For each batch, the first-order forward rate constants, for both Cl and Na+ ion removal, decline with time. The study considers the irrigation application of the product water on crop yield for 70 crop varieties; the application of the technology to desalinate a saline aquifer; applications of the technology to improve the environmental efficiency of conventional desalination plants. View Full-Text
Keywords: catalytic desalination; catalytic pressure swing adsorption desorption; crop yield; desalination; irrigation water; zero valent iron catalytic desalination; catalytic pressure swing adsorption desorption; crop yield; desalination; irrigation water; zero valent iron
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MDPI and ACS Style

Antia, D.D.J. Catalytic Partial Desalination of Saline Water. Water 2022, 14, 2893.

AMA Style

Antia DDJ. Catalytic Partial Desalination of Saline Water. Water. 2022; 14(18):2893.

Chicago/Turabian Style

Antia, David D. J. 2022. "Catalytic Partial Desalination of Saline Water" Water 14, no. 18: 2893.

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