COMPOSITION FOR ADSORPTION OF PHOSPHORUS AND / OR NITROGEN OF EFFLUENTS OR LIQUID WASTE, PROCESSES, PRODUCTS AND USES

摘要

The present invention is a composition for adsorption of phosphorus and / or nitrogen effluent or waste liquids, comprising at least one support material, preferably a serpentinite.Vermiculite, coal plants (modified by oxidative treatment or not) and / or sludge of wastewater treatment plant rich in phosphate; and this support material impregnated with calcium.Zinc, copper, manganese, molybdenum, boron, cobalt and / or nickel; and calcined.It is also the use of the composition, process for preparation of the composition, process for production of additives for conditioning soil and release of nutrients.Devices for recovery of nitrogen and phosphorus and / or additives produced.