Supply of chemical products for water treatment and sanitation processes in facilities managed by Canal Gestión Lanzarote, SAU, concessionary company for the management of the integral water cycle on the islands of Lanzarote and La Graciosa.
Sodium hydroxide (caustic soda) and sodium hypochlorite, food gradeSupply of:
- sodium hydroxide (caustic soda), liquid with a minimum of 49% richness. Estimated annual quantity: 20,000 kg,
- sodium hypochlorite, food category, according to UNE EN 901: 2007, liquid with a minimum of 12% richness. Estimated annual quantity: 340,000 kg.
Sodium hypochlorite for disinfection of irrigation water and aluminum polychlorideSupply of:
- sodium hypochlorite, suitable for disinfection of irrigation water, liquid with a minimum of 12% richness. Estimated annual quantity: 1,900,000 kg,
- Aluminum polychloride, liquid with a minimum richness of 18%. Estimated annual quantity: 150,000 kg.
Solid cationic polyelectrolyteSupply of solid cationic polyelectrolyte, for dewatering of sludge from urban treatment plants using centrifuges. Estimated annual quantity: 40,000 kg.
AntifoulingSupply of fouling inhibitor formulated with phosphonates, food category, according to European standard UNE-EN 15040. Quantity of treated water (seawater) annually: 70,000,000 cubic meters (70 HM3).