Sewage Treatment: Contain, Use & Reuse

It's been a long time since there was a post about sustainable development technologies and this is going to be one of those posts.

The sustainable technology that this post will be discussing is the sewage treatment. This type of technology is based on the principle 'Contain, Use and Reuse'. It's all about using the water again and again avoiding any pollution of the environment and the waste of precious water.

How this system works is that the water used from the tap, which is drinkable, is filtered and stored in a tank after it is being used for the dishes etc. Then, the water from the tank goes through pipes that pass from the shower, tap in the bathroom and the washing machine to be used there for a second time (not a drinkable water but clean enough for cleaning and bathing) and after that the same water again is being used for flashing the toilet, being used for watering the plants.

A sketch which shows the same principle of the sewage treatment
The method described above, is one of the many possible orders that the water can be used (and the most logical, the water for flashing the toilet always being the last would be ideal in all circumstances). 

This method, however, is not the same every time as it is a principle. What I mean by this is that from this idea, many other where born which are basically about reusing water in an efficient way to avoid the waste of water and the pollution of the environment. One example of the principle used is in the picture below which shows the sink connected to the toilet, the water that will be used from the tap will go through the sink and be stored in the tank of the toilet to be used for flashing it. (Designed from ROCA)


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