It is really brilliant! One obliges us to piss in water and then one breaks the head to make intricate and expensive things to remove the piss of water. To make and demolish, it is always to work, said the other; and that creates GDP. Then, about what does one complain? Does , that pollute? Yes, good… it is a detail.

More seriously, it is very interesting this small report.

One forwards to us a factory devoted to the processing of nitrogen of waste water of half of the Parisian population, in in service since November 2007, and one tells us that until there, the nitrogen of this population was not discussed, and was not rejected into the Seine. One tells us that the primary goal is to abolish ammonia, by transforming it into nitrate, and that second is to eliminate this nitrate while returning it in the atmosphere (denitrification).

The ammonia is highly toxic, it kills fish from only 2 . Obviously, one counts on dilution with the water of the river to lower the rate of ammonia to less than 2 but in summer, there is not much water in , and this water comes itself already for a good portion (50%?) upstream. Then?

One does not tell us on the other hand if the new station of eliminates really ammonia, one tells us that it eliminates 30% from nitrates. And the 70% remainders? Mystery.

This station occupies 5 ha, they are 5 ha definitively lost for the food production, are 50 people of less with being able to nourish itself on Earth, AD . It 900 tons of metal only for the pipes, and how much concrete consumed, of plastic, toxic materials? It cost illion euros, that is to say nearly 100 per capita, and it costs how much for its conversation? How long it will be able to function? And after this time, what does one make?

It is told us that there remain much which are not “to the standards”. If the standards it is that, for what that is used to put at high expenses all the stations at the standards?

To comfort us, it is told us that one spent illion euros for the “landscape integration” of this monster.

It is really large anything, provided that one can pretext the public property and run always more concrete, to melt always more metal, to pump always more taxes and to nourish always more engineers.

The nitrogen is water soluble, it is well the problem, but the problem of nitrogen in water is rigorously insoluble. The only solution is not to put at it.

The criticism of the conventional collective cleansing is our first duty, and I should say very short collective cleansing, because for the moment I do not see an ecological alternative for the water treatment of the sewerage systems, because the collective stations with planted filters hardly make better than that one, while occupying much more place.