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1. (WO2018220462) COMPOSITION FOR ADSORBING PHOSPHORUS AND/OR NITROGEN FROM EFFLUENTS OR LIQUID WASTE, PROCESSES, PRODUCTS AND USES

Pub. No.:    WO/2018/220462    International Application No.:    PCT/IB2018/053426
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Thu May 17 01:59:59 CEST 2018
IPC: B01J 20/02
B01J 20/04
C02F 1/28
Applicants: UNIVERSIDADE FEDERAL DE MINAS GERAIS - UFMG
Inventors: DA SILVA, Arthur Gabriel
SILVA PINHEIRO, Natália Gabriela
DA ROCHA JÚNIOR, Hamilton P.
CAPRUNI ANDRADE VAZ, Raphael
MONTERO LAGO, Rochel
MOREIRA, Fernando Augusto
Title: COMPOSITION FOR ADSORBING PHOSPHORUS AND/OR NITROGEN FROM EFFLUENTS OR LIQUID WASTE, PROCESSES, PRODUCTS AND USES
Abstract:
The present invention relates to a composition for adsorbing phosphorus and/or nitrogen from effluents or liquid waste, comprising at least one supporting material, preferably serpentinite, vermiculite, plant charcoals (optionally modified by oxidative treatment) and/or sludge from phosphate-rich effluent treatment plants, said supporting material being impregnated with calcium, zinc, copper, manganese, molybdenum, boron, cobalt and/or nickel, and calcinated. The present invention also relates to use of the composition, the process for preparing the composition, the process for producing additives for conditioning soil and releasing nutrients, devices for recovering phosphorus and/or nitrogen and the additives produced.