Towards the Optimization of a Photovoltaic/Membrane Distillation System for the Production of Pure Water

Author:

Fang Dufei1,Amiruddin Damian M.1ORCID,Kao Imin2,Mahajan Devinder3ORCID,Chen Xuming4,Hsiao Benjamin S.1ORCID

Affiliation:

1. Chemistry Department, Stony Brook University, Stony Brook, NY 11794-3400, USA

2. Mechanical Engineering Department, Stony Brook University, Stony Brook, NY 11794-2300, USA

3. Materials Science and Chemical Engineering Department, Stony Brook University, Stony Brook, NY 11794-2275, USA

4. SLB Brookshire Elastomer R&D Lab, 29501 Katy Freeway, Katy, TX 77494, USA

Abstract

The production of pure water plays a pivotal role in enabling sustainable green hydrogen production through electrolysis. The current industrial approach for generating pure water relies on energy-intensive techniques such as reverse osmosis. This study unveils a straightforward method to produce pure water, employing real-world units derived from previously simulated and developed laboratory devices. This demonstrated system is cost-effective and boasts low energy consumption, utilizing membrane distillation (MD) driven by the waste heat harnessed from photovoltaic (PV) panels. In a previous study, modeling simulations were conducted to optimize the multi-layered MD system, serving as a blueprint for the construction of prototype devices with a suitable selection of materials, enabling the construction of field-testable units. The most efficient PV-MD device, featuring evaporation and condensation zones constructed from steel sheets and polytetrafluoroethylene (PTFE) membranes, is capable of yielding high-purity water with conductivity levels below 145 μS with high flux rates.

Funder

Office of Naval Research

Publisher

MDPI AG

Reference19 articles.

1. Electrolysis of Pure Water in a Thin Layer Cell;Aoki;Energies,2013

2. Direct Seawater Electrolysis by Adjusting the Local Reaction Environment of a Catalyst;Guo;Nat. Energy,2023

3. A Membrane-Based Seawater Electrolyser for Hydrogen Generation;Xie;Nature,2022

4. (2022, June 06). DOE National Clean Hydrogen Strategy Roadmap. U.S Department of Energy, Available online: https://www.hydrogen.energy.gov/pdfs/clean-hydrogen-strategy-roadmap.pdf.

5. Multicriteria Analysis of Seawater Electrolysis Technologies for Green Hydrogen Production at Sea;Santiago;Renew. Sustain. Energy Rev.,2020

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