Wastewater is treated and reused for irrigating the city’s public gardens - a rare feat of water reuse in today’s global urban landscape. The contract is a benchmark in the market for seawater desalination, relying on a technique called reverse osmosis and using facilities with a total production capacity of 85,000 m3 per day. Since 1993, every stage of the water cycle for the 400,000 residents of the Canary Islands capital has been managed by Emalsa. With that in mind, we see the work we are doing in Las Palmas as a pointer toward the future.’ ![]() In our view, in the future, many of the big water issues in large cities in the world will have to be faced with close public-private collaboration. ‘The public-private partnership is key to managing water in big cities. ‘The challenges of desalination and distribution are technical ones, and we are continuously innovating in these areas’, says Rogerio Koehn, General Manager of Saur Spain. And third, Las Palmas’ water services are co-owned by the city council. Second, it is situated in rugged volcanic terrain, where the 1,000-meter altitude difference between the coast and the city's highest point poses infrastructural and engineering challenges. First, as the city and island are ocean-bound, there is no natural fresh water available, making the city entirely dependent on desalination for its water supplies. Several factors contribute to the complexity of the task. Las Palmas is a tough nut to crack when it comes to water services. This archipelago is located in the Atlantic Ocean and is part of Spain. Las Palmas de Gran Canaria is the capital of Gran Canaria, the largest and most densely populated island among the Canary Islands.
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