| abstract |
The composition of matter for the chemical and biological purification of polluted water is intended to be spread in the water to be purified.n n n This composition comprises at least the following two mineral materials, in granular form: - a porous calcium carbonate, rich in trace elements, - a hydrated alumina silicate containing alkaline earth metals.n n n These two materials contain, in the adsorbed state, specific bacteria for the biological degradation of carbon-chain organic materials.n n n Use to improve the efficiency of the treatment of polluted water. |