SRU – Sodium Reduction Unit – The SRU process prevents nitrate and phosphate pollution from greenhouses by selectively removing sodium from the re-used irrigation water..
Developed in 2003 in South Africa, Optima Agrik (Pty) ltd provides a solution to Clean water & sanitation, Green industry & infrastructure, Responsible consumption & production – in line with sustainable development goals for the future.
- Zero discharge of nitrate and phosphate.
- 42% reduction in CO2 emissions.
- Magnesium saved: 1800 kg/ha/20 years.
- Phosphor saved: 150 kg/ha/20 years.
- Borate saved: 5 kg/ha/20 years.
- SRU running costs are covered by the reduction in fertilizers usage resulting in a cost of €1,50/day/hectare.
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