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Contact SupplierSewage treatment: Sewage treatment A sewage treatment plant, aims to achieve, through physical, chemical and biological clean water from black or mixed. This plant treated wastewater local consumption from the city for the most part. Primary treatment: It consists of a decantantación for removing particles smaller than a certain size (suspended solids) were unable to be removed in the pretreatment. This process is known as primary settlement. Secondary treatment: It consists of a biological process. Bacteriasare placed in large tanks, there they eat the organic matter, then the water passes to a second decantation. Tertiary treatment: chemical treatments are designed to refine some characteristics of effluent water treatment plant. The most common is that of sanitation, to eliminate the presence of viruses and germs. The resulting water can be used for watering gardens. sludge: The sludge from the decantation receive a special treatment until they are incinerated,  or after other treatments such as composting, reuse as fertilizer in agriculture or other uses.