To answer the final question ...

To answer the final question of the presentation There is no situtation any country any city whose sanitation wastewater soity performance. The purification performance of public sanitation is almost zero, near zero cost for proébitif The question that we are entitled to ask: Why? All siemplement because the principle of collective and individual sanitation and elsewhere is to transform feces into mud. More than 40 million tons of human waste are transformed into mud annually. The Biological Remediation ELIMINATES him fully feces without sludge production. The elimination process produces a liquid that can fertilize all agricultural land in abundance.