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Whey powder production site (Lactalis Group)
Key Figures
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Commissioning
Q1 2023
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Solar thermal collector area on trackers
15,000 m²
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Hot water storage volume
3,000 m³
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Expected annual production
About 8,000 MWh
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CO2 emission avoided per year
2,000 Tons
Heat consumer introduction
- One of the largest production sites for powdered dairy products in France
- 80,000 tonnes of whey and lactose produced in a year
Principle of solar thermal integration
- Preheating of fresh air feeding the main spray drying tower
- Integration of 2 water/air exchangers : one in the main air inlet, one in the regeneration air inlet of the desiccant wheel
- Fossil fuel saved: gas
Key innovation
- Integration into a food process requiring demanding health and hygiene criteria
- Achieve a solar coverage of 20% of the site’s drying needs
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