China Develops Cost-Effective Desalination and Hydrogen Production Technology
China has introduced a desalination system in Shandong that produces fresh water, hydrogen, and saline byproducts at a cost below $1 per cubic meter. This innovation may offer a sustainable solution to global water scarcity and energy production challenges.
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A new system in Rizhao, Shandong, utilizes seawater and industrial heat to generate 450 cubic meters of fresh water, 192,000 cubic meters of hydrogen, and 350 tons of mineral-rich brine annually, with production costs around $0.28 per cubic meter. The facility operates using low-temperature heat from nearby steel and petrochemical industries, integrating desalination with hydrogen production.
Economic viability hinges on industrial proximity and available waste heat. In contrast, Chile's Coquimbo region is developing a desalination plant with an investment of $318 million to serve over 540,000 residents, indicating differing approaches to tackling water shortages.
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