list the chemicals used in water and sewage treatment in spain

list the chemicals used in water and sewage treatment in spain
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  • Why is wastewater reuse important in Spain?
  • Current Situation and Perspectives The issues of wastewater treatment and the reuse of water are of great importance, especially in areas where the shortage of conventional resources is a structural problem, as it is in the case of Spain. Wastewater reuse is a valid mechanism to avoid problems derived from droughts and water scarcity.
  • Are wastewater treatment plants in Mediterranean Spain experiencing water stress?
  • This paper has examined the current situation of wastewater treatment plants in Mediterranean Spain, one of the most dynamic areas of the country but also one the areas experiencing major water stress.
  • What percentage of Spain's population has a wastewater treatment plant?
  • In 2017, 97 percent of the Spanish population was connected to a wastewater treatment plant and 69 percent were connected to plants equipped with tertiary treatments. Wastewater treatment capacity attains some 8000 Hm 3 per year, while flows actually treated represent 4800 Hm 3, of which some 385 Hm 3 (8 percent) were reused in 2018 .
  • Which companies are involved in the wastewater treatment industry in Spain?
  • Likewise, some of the most important Spanish construction companies, such as ACCIONA or Ferrovial, are also present in the wastewater treatment sector. The interest of these large companies in water-related businesses is not fortuitous.