A New Generation of Molten Salt - CSP Today Sevilla 2012

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http://www.yara.com/products_services/industrial_solutions/chemicals/specialty_chemicals/solar_energy.aspx http://www.yara.es/industrial_solutions/speciality_chemicals/solar_power_molten_salt/index.aspx -------------------------------------------- A New Generation of Molten Salt 14th November 2012 Sevilla, Spain Yara – the Global Leader in Nitrates Founded in 1905, over a century of nitrogen chemistry expertise Production Scale: Global No.1 in Nitrates production (Different grades) Global No.1 in NPK fertilizers production Global No.1 in Calcium Nitrate production Logistics Reach: 200 warehouses and terminals worldwide, sales in 150 countries Research: Continuous nitrogen chemistry R&D Headquartered in Oslo, Norway Solar Thermal market demands improved molten salts for heat storage and heat transfer Yara has the Nitrates expertise Yara produces several CN grades and formats Existing literature regarding Calcium Nitrate use in solar thermal power Yara researched and tested to identify a nitrate grade with the optimal thermal performance: Next Generation eutectic molten salt solution from the worldwide leader in nitrates Synthetic Chloride-free Very pure Competitively priced Eutectic Molten Salt with CN-K melting process Improvements over binary salts: Lower melting point Broader ΔTª Reduced risk of molten salt solidification Corrosion tests show eutectic CN-K Molten Salt to be significantly less corrosive than binary salts Euctectic CN-K Molten Salt: Performance Benefits & Cost savings in Solar Thermal Electricity Plant Construction & Operation Lower CAPEX: Yara CN-K scale advantage translates into lower-cost molten salt mix, pushing down solar energy cost Lower melting point: 131 ºC Wider delta Tª opens new operational possibilities and means you need less of the molten salt blend to generate power Reduced risk of molten salt solidification: a technical challenge causing plant damage, stoppage and maintenance costs for current molten salt technologies Lower start-up energy costs: Less energy needed to melt the ternary mixture including CN-K Lower life-cycle cost: less corrosive eutectic CN-K molten salt mix reduces maintenance costs

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