Sewage Treatment Plants

• Sewage treatment plant• Primary treatment• Secondary treatment• Tertiary treatment• Sludge• Clearing of water

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.

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.

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.

Physico-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.

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.

During the visit, we saw how the water was cleared after each treatment…

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