Incorporating a seawater desalination scheme in the optimal water use in agricultural activities

Brígido J. Hipólito-Valencia, Francisco Waldemar Mosqueda-Jiménez, Juan Barajas-Fernández and José M. Ponce-Ortega

Agricultural Water Management, 2021, vol. 244, issue C

Abstract: Seawater desalination process is analyzed in this paper as an option for reducing the groundwater usage of overexploited aquifers in irrigated agriculture. The proposed approach is based on a new superstructure formulated as a multiobjective mixed integer nonlinear programming model, where power requirements of the desalination process and agriculture activity are supplied by an integrated steam Rankine cycle fed of solar energy and fossil fuels. The multiobjective function includes the minimization of the groundwater consumption and the minimization of the total annual cost; this cost is divided into the capital cost which consists of the catchment area, desalination process, power cycle and pumps, as well as the operating costs for pumping, fossil fuels, groundwater and desalinated seawater. A case study for the state of Sonora in Mexico was considered to show the applicability of the proposed approach. Results show that the maximum saving for groundwater consumption is about 66% with the proposed method.

Keywords: Energy integration; Reverse osmosis; Water integration; Agricultural activities; Irrigation systems (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:244:y:2021:i:c:s0378377420320990

DOI: 10.1016/j.agwat.2020.106552

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